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Light sesame seed oil in a glass vial

Sesame oil is an edible vegetable oil derived from sesame seeds. The oil is one of the earliest-known crop-based oils. Worldwide mass modern production is limited due to the inefficient manual harvesting process required to extract the oil. Oil made from raw seeds, which may or may not be cold-pressed, is used as a cooking oil. Oil made from toasted seeds is used for its distinctive nutty aroma and taste, although it may be unsuitable for frying, which makes it taste burnt and bitter.[1]

Manufacture

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Manufacturing process

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Bottling sesame oil at Moran Market, Seongnam, South Korea
Dark brown sesame oil derived from roasted/toasted sesame seeds
Extracting sesame oil by a bullock driven wooden press (Myanmar)

Sesame seeds are protected by a capsule which bursts only when the seeds are completely ripe, a process called dehiscence. The dehiscence time tends to vary, so farmers cut plants by hand and place them together in an upright position to continue ripening, until all the capsules have opened.[2]

Tanzania remains the largest producer of sesame oil and also dominates the global consumption of this product. The African and Asian regions constitute the fastest-developing sesame oil markets. The steady growth in demand being observed here is in line with rising household income and urbanization, as well as an increase in the use of sesame oil for food products and Asian dishes.[3]

While some manufacturers will further refine sesame oil through solvent extraction, neutralization, and bleaching in order to improve its cosmetic aspects, sesame oil derived from quality seeds already possesses a pleasant taste and does not require further purification before it can be consumed. Many consumers prefer unrefined sesame oil due to their belief that the refining process removes important nutrients. Flavor, traditionally an important attribute, was best in oils produced from mild crushing.[4]

Sesame oil is one of the more stable natural oils, but can still benefit from refrigeration and from limited exposure to light and high temperatures during extraction, processing, and storage; this minimizes nutrient loss through oxidation and rancidity. Storage in amber-colored or opaque bottles can help to minimize light exposure.

Sesame oil is a polyunsaturated (PUFA) semi-drying oil. Commercial sesame oil varies in color from light to deep reddish-yellow depending on the color of the seed processed and the method of milling. Provided that the oil is milled from well-cleaned seed, it can be refined and bleached easily to yield a light-colored limpid oil. Sesame oil is rich in oleic and linoleic acids, which together account for 85% of the total fatty acids. Sesame oil has a relatively high percentage of unsaponifiable matter (1.5-2.3%). In India and in some other European countries, it is obligatory to add sesame oil (5-10%) to margarine and generally to hydrogenated vegetable fats which are commonly used as adulterants for butter or ghee.[citation needed]

Sesame seed market

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White sesame seeds, mostly unshelled.

About 65% of the annual US sesame crop is processed into oil, and 35% is used in food.[5]

Sesame oil
Nutritional value per 100 g (3.5 oz)
Energy3,699 kJ (884 kcal)
0.00 g
100.00 g
Saturated14.200 g
Monounsaturated39.700 g
Polyunsaturated41.700 g
0.00 g
Vitamins and minerals
VitaminsQuantity
%DV†
Vitamin C
0%
0.0 mg
Vitamin E
9%
1.40 mg
Vitamin K
11%
13.6 μg
MineralsQuantity
%DV†
Calcium
0%
0 mg
Iron
0%
0.00 mg
Magnesium
0%
0 mg
Phosphorus
0%
0 mg
Potassium
0%
0 mg
Sodium
0%
0 mg
Full Link to USDA Database entry
†Percentages estimated using US recommendations for adults,[6] except for potassium, which is estimated based on expert recommendation from the National Academies.[7]

Nutrients

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A 100 gram (100 ml) reference amount of sesame oil supplies 884 calories of food energy (table). The only essential nutrient having significant content in sesame oil is vitamin K, providing 13% of the Daily Value per 100 grams (table).

For fats, sesame oil is approximately equal in monounsaturated fat (oleic acid, 40% of total) and polyunsaturated fat (linoleic acid, 42% of total), together accounting for 80% of the total fat content (table). The remaining oil content is primarily palmitic acid, a saturated fat (about 9% of total, USDA table).

Potential for allergy

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As with numerous seed and nut foods, sesame oil may produce an allergic reaction, although the incidence of this effect is rare, estimated at 0.1–0.2% of the population.[8] Reports of sesame allergy are growing in developed countries during the 21st century, with the allergic mechanism from oil exposure expressed as contact dermatitis, possibly resulting from hypersensitivity to lignin-like compounds.[9]

Uses

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Cooking

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Sesame oil is used for stir-frying, marinades, and as a finishing oil to add nutty flavor to Asian dishes, with light sesame oil best for cooking and toasted sesame oil ideal for flavoring due to its intense taste.

Sesame oil made from seeds that have not been toasted is a pale yellow liquid with a pleasant grain-like odor and somewhat nutty taste, and is used as frying oil.[5] Oil made from pressed and toasted sesame seeds is amber-colored and aromatic, and is used as a flavoring agent in the final stages of cooking.[5]

Despite sesame oil's high proportion (41%) of polyunsaturated (omega-6) fatty acids, it is least prone, among cooking oils with high smoke points, to turn rancid when kept in the open.[2][5] This is due to the natural antioxidants, such as sesamol, present in the oil.[5]

Light sesame oil has a high smoke point and is suitable for deep-frying. Toasted sesame oil is not suitable,[5][1] but it can be used to stir fry meats and vegetables, for sautéing, and to make omelettes.

Sesame oil is most popular in continental Asia, especially in East Asia and the South Indian states of Karnataka, Andhra Pradesh, and Tamil Nadu, where its widespread use is similar to that of olive oil in the Mediterranean.

  • East Asian cuisines often use roasted sesame oil for seasoning during cooking, or at the table.
    • The Chinese use sesame oil in the preparation of meals.
    • In Japan, rāyu is made of chili and sesame oil and used as a spicy topping on various foods, or mixed with vinegar and soy sauce and used as a dip.
  • In South India, before the advent of modern refined oils produced on a large scale, sesame oil was traditionally used for curries and gravies. It continues to be used, particularly in Tamil Nadu and Andhra Pradesh, mixed with foods that are hot and spicy, as it neutralizes the heat.[citation needed] It is often mixed in with a special spice powder that accompanies idli and dosa, as well as rice mixed with spice powders (example, paruppu podi).

Religious uses

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See also: Holy anointing oil and Misha (Mandaeism)

In Mandaeism, anointing sesame oil, called misha (ࡌࡉࡔࡀ) in Mandaic, is used during rituals such as the masbuta (baptism) and masiqta (death mass), both of which are performed by Mandaean priests.[10]

Industrial uses

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In industry, sesame oil may be used as:[2][5]

  • a solvent in injected drugs or intravenous drip solutions
  • a cosmetics carrier oil
  • a coating for stored grains to prevent weevil attacks. The oil also has synergy effects with some insecticides.[11]

Low-grade oil is used locally in soaps, paints, lubricants, and illuminants.[5]

History

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Historically, sesame was cultivated more than 5000 years ago as a drought-tolerant crop which was able to grow where other crops failed.[12][13] Sesame was cultivated during the Indus Valley civilization and was the main oil crop. It was probably exported to Mesopotamia around 2500 BCE.[14]

See also

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

Sesame oil

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from Grokipedia
Sesame oil is a pale yellow to reddish-brown vegetable oil extracted from the seeds of the Sesamum indicum plant, an annual herbaceous species believed to have originated in Africa and/or India but now cultivated globally in tropical and subtropical regions.[1] It is prized for its distinctive nutty aroma and flavor, primarily due to the roasting of seeds prior to extraction in many traditional processes.[2] The oil is typically produced through mechanical pressing of cleaned and dehulled sesame seeds, often after roasting to enhance flavor, or via solvent extraction using hexane for higher yields in industrial settings.[3][4] Global production is concentrated in countries like Sudan, India, and Myanmar, with sesame seeds yielding 40-63% oil content depending on variety and growing conditions.[5][6] Chemically, sesame oil consists mainly of unsaturated fatty acids, with oleic acid (approximately 40%) and linoleic acid (about 45%) comprising the majority, alongside minor saturated fats like palmitic acid (around 10%).[3] It is uniquely rich in natural antioxidants such as sesamin, sesamolin, and sesamol (lignans), as well as tocopherols, which contribute to its stability and resistance to oxidation compared to other vegetable oils.[2] These components, along with refining, give refined sesame oil a smoke point of 410°F (210°C), while toasted varieties have a lower smoke point of about 350°F (177°C), making the refined type suitable for high-heat cooking.[7] There are two main types: light sesame oil, which is refined and neutral in flavor, and toasted sesame oil, which is darker with a stronger nutty flavor. In culinary applications, sesame oil serves as a flavoring agent in Asian cuisines, dressings, and marinades, while refined versions are used for frying due to their neutral taste.[2] Medicinally, it has been employed in traditional systems like Ayurveda and Chinese medicine for its anti-inflammatory, antimicrobial, and wound-healing properties, with modern studies supporting benefits for cardiovascular health, cholesterol reduction, and blood sugar regulation.[8][9] Additionally, its emollient and protective qualities make it a common ingredient in cosmetics, soaps, and hair care products.[3] Despite these advantages, individuals with sesame allergies should avoid it, as it can trigger severe reactions.[10]

Production

Sesame seed varieties

Sesame oil is primarily derived from seeds of Sesamum indicum L., the main cultivated species in the genus Sesamum of the Pedaliaceae family, which encompasses about 20 species mostly native to tropical Africa.[11] Subspecies variations within S. indicum exist, influenced by regional adaptations, but all contribute to oil production through their high seed oil content.[12] Sesame seeds vary by hull color, including white, black, brown, and red types, with dimensions typically ranging from 2 to 3 mm in length, 1.5 to 2 mm in width, and about 1 mm in thickness.[13] These seeds generally contain 50-60% oil by weight, though white varieties often exhibit higher oil content compared to black ones, which prioritize traits like drought resistance.[2] Brown and red seeds, less common in commercial oil production, share similar oil profiles but may have slightly varied antioxidant levels due to hull pigmentation.[14] Major growing regions for oilseed sesame are concentrated in tropical and subtropical climates requiring average temperatures of 25-30°C and well-drained soils to prevent waterlogging.[15] As of 2023, Sudan is the largest producer, accounting for approximately 20% of global output with 1.37 million tonnes, followed by India (802,000 tonnes), Myanmar (742,000 tonnes), and China (453,000 tonnes), which together account for a significant portion of production in Asia and Africa.[16] Global production reached approximately 7.24 million tonnes in 2023, expected to be around 6 million tonnes in 2024, with variations due to climatic conditions and conflicts in major producers like Sudan.[17][18] These regions benefit from the crop's adaptation to 500-750 mm annual rainfall with a dry maturation period.[19] Breeding efforts focus on varieties with enhanced oil yield, such as high-oleic types that improve oil stability against oxidation for longer shelf life.[20] Shattering-resistant strains have been developed to reduce seed loss during harvesting, increasing efficiency in mechanical operations without compromising oil content.[21] The seed variety influences the resulting oil's characteristics; black sesame seeds produce a darker, nuttier oil due to higher pigment and flavor compounds, while white seeds yield a lighter, milder oil suitable for refined applications.[22] This variation affects extraction yields, with higher-oil varieties optimizing overall oil recovery.[23]

Extraction and refining processes

Sesame seeds undergo pre-processing to prepare them for oil extraction, beginning with cleaning to remove impurities such as dirt, stones, and foreign matter using sieves, aspirators, and magnetic separators.[24] Dehulling is an optional step that involves mechanical or wet methods to remove the outer hull, which can increase oil yield by concentrating the oil-rich kernel, though it is often skipped for traditional toasted oils to retain flavor compounds.[25] For producing toasted sesame oil, seeds are roasted at temperatures around 200-250°C for 10-30 minutes to enhance flavor and facilitate oil release by rupturing cell walls, while unroasted seeds are used for neutral oils.[26] Extraction methods for sesame oil primarily include mechanical pressing and solvent extraction. Mechanical pressing encompasses cold-pressing, where seeds are pressed at ambient temperatures below 40°C to produce unrefined virgin oil that retains natural nutrients and antioxidants, and expeller pressing at 40-50°C using screw presses to achieve higher throughput while minimizing heat damage.[26] Solvent extraction, typically employing hexane as the solvent, is used for refined oil production; the process involves percolating solvent through flaked or ground seeds, dissolving the oil, and then evaporating the solvent to recover the crude oil, often as a secondary step after mechanical pressing to maximize yield.[27] Oil recovery from sesame seeds typically ranges from 50-60%, with mechanical pressing yielding 35-50% and solvent extraction achieving 45-50% or higher when combined.[26] Yield efficiency is influenced by seed moisture content, optimally maintained at 6-8% to prevent excessive friction or oil emulsification during pressing; higher moisture can reduce yield, while overly dry seeds may lead to poor flow.[28] Pressing pressure in expellers can reach up to 10 tons to optimize extraction without degrading quality, and certain sesame seed varieties exhibit higher yields due to their oil content variations of 40-60%.[29] Following extraction, crude sesame oil undergoes refining to remove impurities and improve stability, particularly for edible applications. The process includes degumming, where phosphoric acid or enzymes hydrate and remove phospholipids to prevent clouding; neutralization with alkali to eliminate free fatty acids; bleaching using activated clay to absorb pigments and oxidation products; and deodorization via steam distillation under vacuum at 180-220°C to remove volatile odors and flavors, resulting in a neutral oil.[30] Cold-pressing skips most refining steps to preserve heat-sensitive antioxidants like sesamol, maintaining the oil's natural profile.[26] The extraction and refining processes produce distinct types of sesame oil: virgin or unrefined oil, obtained via cold-pressing without roasting or extensive refining, features a nutty flavor and amber color but lower smoke point around 177°C; refined oil, processed through full refining, is clear, odorless, and has a high smoke point of approximately 210°C suitable for high-heat cooking; blended oils combine these with other vegetable oils for cost-effective, neutral products.[31]

Composition

Chemical components

Sesame oil is predominantly composed of triglycerides, with a fatty acid profile dominated by unsaturated fatty acids. Linoleic acid, an omega-6 polyunsaturated fatty acid (PUFA), typically accounts for 40-48% of the total fatty acids, while oleic acid, a monounsaturated fatty acid (MUFA), comprises 35-46%. Saturated fatty acids, primarily palmitic acid (7-10%) and stearic acid (4-6%), make up approximately 15% of the composition. As a plant-derived oil, sesame oil contains no cholesterol.[32][3] A distinctive feature of sesame oil is its high content of lignans, unique bioactive compounds not commonly found in other vegetable oils. Sesamin, the most abundant lignan, ranges from 0.5-1% (5-10 mg/g), while sesamolin constitutes 0.2-0.5% (2-5 mg/g). Sesamol, another lignan with potent antioxidant properties, is primarily formed during the roasting of sesame seeds and is present in trace amounts (approximately 0.1 mg/g) in roasted sesame oil. These lignans contribute to the oil's characteristic stability and flavor.[33][34] In addition to lignans, sesame oil contains significant levels of other minor components that enhance its nutritional and functional profile. Tocopherols, forms of vitamin E, are present at 50-100 mg per 100 g, predominantly as gamma-tocopherol (up to 90 mg/100 g). Phytosterols, including beta-sitosterol (58-62% of total), campesterol (10-20%), and stigmasterol, total 400-600 mg per 100 g. Phospholipids, such as phosphatidylcholine, account for 1-2% of the oil's composition in crude forms.[35][36][3] The aroma of sesame oil, particularly in its roasted variety, arises from volatile compounds generated during seed processing. Key contributors include pyrazines, such as 2,5-dimethylpyrazine and 2,6-diethylpyrazine, formed via Maillard reactions, which impart nutty and roasted notes. These volatiles, along with furans, aldehydes, and alcohols, are more pronounced in roasted sesame oil compared to cold-pressed versions.[37][38] The oxidative stability of sesame oil is notably high, attributed to its natural antioxidants including lignans (especially sesamol), tocopherols, and phytosterols, which inhibit lipid peroxidation. This confers a shelf life of up to 2 years under proper storage conditions, surpassing many other polyunsaturated oils.[39][40]

Nutritional content

Sesame oil is composed entirely of fat, with no carbohydrates, protein, or dietary fiber, providing 884 kilocalories per 100 grams. The fat content is predominantly unsaturated, accounting for approximately 85% of total lipids, including about 42% polyunsaturated fatty acids (primarily linoleic acid) and 42% monounsaturated fatty acids (primarily oleic acid), while saturated fats make up the remaining 15%.[41][42] A standard serving size of 1 tablespoon (14 grams) delivers 120 kilocalories, with 14 grams of total fat and no sodium or cholesterol. This serving also supplies trace amounts of fat-soluble vitamins, including 0.2 milligrams of vitamin E (alpha-tocopherol, about 1% of the Daily Value) and 1.9 micrograms of vitamin K (about 2% DV). Refined sesame oil typically shows negligible levels of minerals, but unrefined varieties may retain trace quantities of calcium and iron derived from the sesame seeds during extraction.[43][44][45]
Nutrient (per 1 tbsp, 14 g)Amount% Daily Value*
Calories120 kcal-
Total Fat14 g18%
Saturated Fat2 g10%
Polyunsaturated Fat6 g-
Monounsaturated Fat5.5 g-
Vitamin E0.2 mg1%
Vitamin K1.9 mcg2%
Calcium (unrefined)trace<1%
Iron (unrefined)trace<1%
*Based on a 2,000-calorie diet; values for trace minerals approximate for unrefined oil.[43][41][45] In comparison to olive oil, sesame oil has lower monounsaturated fat content (42% versus 73%) but features unique antioxidants like sesamol and sesamin, which contribute to its oxidative stability and may provide complementary protective effects against free radicals. Unrefined sesame oil preserves higher levels of these antioxidants and micronutrients than refined oil, as the processing steps in refinement can diminish bioactive compounds.[42][46]

Culinary uses

Types and flavor profiles

Sesame oil is primarily classified into light and toasted varieties based on the processing of the sesame seeds, each exhibiting distinct sensory characteristics suited to different culinary roles. Light sesame oil is produced from untoasted sesame seeds that undergo refining to remove impurities, resulting in a pale yellow color and a neutral to mild flavor that allows it to blend seamlessly without overpowering other ingredients.[47][48] This type has a high smoke point of approximately 410°F (210°C), making it suitable for high-heat cooking methods where flavor stability is essential.[49][50] In contrast, toasted or dark sesame oil is derived from roasted sesame seeds, where the heating process triggers the Maillard reaction, producing a rich, nutty, and aromatic flavor profile with an amber to brown hue.[51][52] This variant has a lower smoke point of around 350°F (177°C), limiting its use in direct high-heat applications but enhancing it as a finishing oil for depth and aroma.[53][54] Other variants include cold-pressed sesame oil, which retains more natural compounds from minimal processing and imparts subtle grassy or fruity notes due to preserved volatile aldehydes.[55] The flavor profiles of sesame oils are driven by specific aroma compounds; for instance, hexanal and nonanal contribute grassy notes prominent in untoasted or cold-pressed versions, while pyrazines emerge during roasting to deliver the characteristic roasted, nutty scent.[55][56][52] Quality indicators for sesame oil include a peroxide value below 10 meq/kg, which signifies low oxidation and freshness, preventing rancid off-flavors.[57] Similarly, free fatty acid content under 0.3% indicates minimal hydrolytic degradation and high purity, essential for maintaining sensory integrity.[58][59]

Applications in cooking

Sesame oil plays a prominent role in Asian cuisines, where its nutty flavor enhances a variety of dishes through specific cooking techniques. In Chinese cooking, toasted sesame oil is typically added as a finishing touch to stir-fries after the main cooking process, imparting a rich aroma without burning due to its lower smoke point.[60] Similarly, in Korean cuisine, it is drizzled over bibimbap—a mixed rice bowl featuring vegetables, meat or tofu, and a fried egg—to add depth and shine, often combined with gochujang for balance.[61] For Japanese tempura, untoasted or light sesame oil is favored for deep-frying battered seafood and vegetables, as its high smoke point of around 410°F allows for crisp results while contributing a subtle nuttiness.[62] In Middle Eastern and North African cuisines, sesame oil complements tahini-based preparations, such as sauces and dressings served with falafel. It is often drizzled sparingly over fried falafel patties or mixed into tahini sauces to enhance creaminess and flavor in dishes like salads or wraps, providing a toasted note that pairs well with herbs and lemon.[63] Light sesame oil serves as a versatile 1:1 substitute for neutral oils like canola in high-heat applications, such as stir-frying or sautéing, due to its stability and mild profile.[64] In marinades, it elevates Asian-inspired blends with soy sauce and ginger, where a small amount—about 1-2 teaspoons per pound of protein—helps tenderize and infuse umami without overpowering other elements.[49] For optimal culinary performance, store sesame oil in a cool, dark place in an airtight container to prevent oxidation and preserve its flavor; the toasted variety benefits from refrigeration to extend shelf life up to a year.[65] Global market trends reflect sesame oil's rising popularity in vegan and plant-based recipes, driven by its role as a flavorful, allergen-friendly fat in dressings, stir-fries, and sauces, contributing to a projected market growth from USD 4.52 billion in 2023 to USD 6.67 billion by 2030.[66]

Non-culinary uses

Traditional medicine and health applications

In Ayurveda, sesame oil is revered as a primary medium for therapeutic applications, particularly in abhyanga, a self-massage practice where it is applied warm to the body to nourish the skin, improve circulation, and balance vata dosha. It serves as a classic base in abhyanga prenatal massages, providing nutritive and grounding properties for skin and tissue support during pregnancy.[67][68] This oil's warming and penetrating qualities make it ideal for alleviating dryness and promoting overall vitality when used daily in moderation. Additionally, oil pulling, or kavala graha, involves swishing one tablespoon of sesame oil in the mouth for 10-20 minutes each morning on an empty stomach to support oral health by reducing plaque and detoxifying the system.[69][70] In Traditional Chinese Medicine (TCM), sesame oil is valued for its warming properties that tonify yang energy and lubricate the intestines, aiding digestion and relieving constipation by moistening dryness in the digestive tract.[71] Topically, it is applied to soothe joint pain and stiffness, often through gentle massage to enhance blood flow and reduce inflammation in affected areas.[72] Contemporary wellness practices incorporate sesame oil in aromatherapy, where it is diluted with essential oils and diffused or massaged to promote relaxation and alleviate stress, leveraging its nutty scent for a calming effect.[73] For hair care, it serves as a conditioning treatment, applied overnight to the scalp and strands to hydrate, strengthen follicles, and reduce breakage, followed by shampooing in the morning.[74] Pharmacological studies have explored sesame oil's antibacterial effects against oral pathogens, such as Streptococcus mutans, demonstrating its potential in reducing microbial load comparable to chlorhexidine in oil pulling protocols.[75] Furthermore, sesamol, a key lignan in sesame oil, exhibits wound-healing properties by accelerating tissue repair and modulating inflammation in both normal and delayed healing models.[76] For internal use in traditional contexts, a dosage of 1-2 teaspoons daily is commonly recommended to support lubrication and nourishment, though professional consultation is advised to tailor it to individual needs.[77]

Industrial and cosmetic uses

In cosmetics, sesame oil functions as an emollient in lotions and soaps, where it is incorporated at concentrations of 5-10% to deliver moisturizing and protective benefits to the skin.[78] Its lignans provide natural UV protection, blocking about 30% of the sun's burning rays when used in sunscreen formulations.[79] The oil's stability, derived from natural antioxidants like sesamol, supports its application in these products without rapid oxidation.[80] In pharmaceuticals, sesame oil acts as a carrier oil in ointments and topical preparations, facilitating the delivery of active ingredients such as corticosteroids in anti-inflammatory creams.[81] It is also utilized in laxative formulations, often blended with castor oil to enhance emollient and mild laxative effects.[82] For these uses, sesame oil must meet USP grade standards, including an acid value of ≤1 mg KOH/g, iodine value of 80-116 g I₂/100g, and saponification value of 188-195 mg KOH/g to ensure purity and safety.[83] Industrially, sesame oil serves as a lubricant for machinery, owing to its high viscosity index of 545, which maintains performance across temperature variations.[84] As a semi-drying oil, it is applied in paints and varnishes, forming durable films through oxidative polymerization.[85] Additionally, sesame oil shows potential as a biodiesel feedstock, achieving transesterification yields of about 95% under optimized conditions like a 6:1 methanol-to-oil ratio, though higher costs from excess alcohol limit commercial viability compared to other oils.[86]

Health considerations

Potential benefits

Sesame oil has been investigated for its potential cardiovascular benefits, primarily attributed to lignans such as sesamin. Some studies suggest potential benefits for lipid profiles, particularly reducing triglycerides, though a 2025 meta-analysis found no substantial impact on low-density lipoprotein (LDL) cholesterol or total cholesterol.[87] Additionally, sesame oil supplementation exhibits antihypertensive effects by reducing systolic and diastolic blood pressure in hypertensive patients, possibly through its antioxidant properties that mitigate oxidative stress on vascular endothelium.[88] The oil's anti-inflammatory properties stem from its rich content of sesamol and other polyphenols, which inhibit pro-inflammatory cytokines like TNF-α and IL-6. In a randomized controlled trial, topical application of sesame oil twice daily for four weeks significantly reduced pain and improved function in patients with knee osteoarthritis, comparable to diclofenac gel.[89] These effects are supported by in vitro evidence showing sesame oil extracts suppressing inflammatory pathways in human cell lines. For blood sugar management, sesame oil improves insulin sensitivity in people with type 2 diabetes. A study involving 15 ml daily supplementation for eight weeks demonstrated reduced fasting blood glucose and HbA1c levels, alongside enhanced insulin response, likely due to the oil's unsaturated fatty acids and lignans that promote glucose uptake in peripheral tissues.[87] Sesame oil provides antioxidant protection through sesamol, a potent free radical scavenger that neutralizes reactive oxygen species. In vitro studies indicate that sesamol inhibits lipid peroxidation and may contribute to cancer prevention by inducing apoptosis in tumor cells, though human clinical evidence remains preliminary. In skin and oral health applications, sesame oil reduces UV-induced damage by providing a natural sun protection factor (SPF around 2-4) when applied topically, protecting against erythema and oxidative stress in photoprotection assays.[90] For oral health, oil pulling with sesame oil has been effective in treating gingivitis, with trials showing significant reductions in plaque index and gingival inflammation after 10-30 minutes daily swishing for two weeks, comparable to chlorhexidine mouthwash.[91]

Allergy and safety

Sesame is recognized as one of the major food allergens, ranking as the ninth in the United States where labeling requirements for packaged foods took effect on January 1, 2023, mandating clear declaration of sesame ingredients including oils.[92] In the European Union, sesame seeds and their derivatives have been among the 14 priority allergens subject to mandatory labeling since the implementation of Regulation (EU) No 1169/2011, ensuring consumers can identify potential risks in food products.[93] Allergic reactions to sesame oil are typically IgE-mediated, manifesting as hives, swelling, or anaphylaxis in sensitized individuals, with a prevalence of convincing sesame allergy estimated at approximately 0.23% in the US population.[94] Cross-reactivity has been observed between sesame and other foods such as mustard seeds and kiwi, potentially due to shared protein structures, leading to heightened risk in individuals with multiple seed or fruit allergies.[95] Refined sesame oil poses a lower allergenic risk compared to crude or unrefined varieties, as the refining process removes most allergenic proteins, though trace residues may still trigger reactions in highly sensitive cases.[96] The US Food and Drug Administration classifies sesame oil as generally recognized as safe (GRAS) for use as a food ingredient when consumed in typical amounts, based on its long history of safe use in diets worldwide. However, high doses of sesame oil should be avoided during pregnancy, as animal studies have shown increased fetal resorptions and potential reproductive effects at elevated exposures, though human data remain limited.[97] Signs of oxidative rancidity in sesame oil include off odors described as sour, stale, or unpleasant, indicating degradation that compromises quality and safety.[98] To prevent oxidation and peroxide formation, sesame oil should be stored in airtight containers in a cool, dark place away from light and heat sources, with refrigeration recommended for extended shelf life after opening.[65] Peroxide values exceeding 10 meq/kg signal significant oxidation and potential unsafety for consumption, as higher levels correlate with rancidity and health concerns from lipid peroxides, per Codex standards.[99] Sesame oil exhibits low acute toxicity, with oral LD50 values exceeding 50 g/kg in mice, indicating minimal risk from single high exposures in humans.[4] As a rich source of omega-6 fatty acids, primarily linoleic acid, its consumption should be monitored to maintain balance with omega-3 intake, as excessive omega-6 relative to omega-3 may promote inflammation in some contexts.[100]

History

Origins and ancient use

Sesamum indicum, the sesame plant from which sesame oil is derived, was domesticated around 5,000 years ago in the Indian subcontinent, with the earliest archaeological evidence coming from sites associated with the Indus Valley Civilization around 2500 BCE.[101] Excavations at Harappa in present-day Pakistan uncovered quantities of lumped and burnt sesame seeds, indicating early cultivation and processing for oil extraction.[102] These findings suggest that sesame was integrated into Harappan agriculture as a kharif crop, valued for its oil used in food preparation, as fuel for lamps, and possibly as an anointing oil in rituals or daily practices.[103] In ancient India, sesame oil, referred to as "til" oil, appears in early texts such as the Rigveda (c. 1500 BCE), where it is described for use in cooking and illuminating lamps.[104] By the second millennium BCE, sesame cultivation had spread westward to Mesopotamia, where Assyrian records from the first millennium BCE document its medicinal applications, including prescriptions mixing sesame flour with other ingredients for treating head ailments.[105] The phrase "open sesame," popularized in later folklore like the Arabian Nights, traces its roots to the plant's ripe seed pods that naturally burst open to release seeds, facilitating the harvesting process essential for oil production.[106] Sesame oil reached ancient Egypt by at least the late second millennium BCE, as evidenced by sesame seeds found in Tutankhamun's tomb (c. 1323 BCE), where the oil likely served in embalming, anointing, and daily uses like cooking and lighting.[107] From these regions, trade networks disseminated sesame cultivation eastward along routes precursor to the Silk Road, reaching China during the Zhou dynasty (c. 1046–256 BCE), and westward into the Mediterranean by the classical period.[108] Greek sources from the fifth century BCE, such as Herodotus, note sesame oil as a substitute for olive oil in regions like Armenia and Cilicia, while Roman texts describe its import and use in the eastern empire for similar purposes.[109][102]

Modern developments

During the colonial era in the 19th century, European demand for sesame oil, particularly from Britain, significantly boosted exports from India, facilitated by the British East India Company, which promoted the crop as a source of oil for lubrication, lighting, and early industrial applications.[110] This trade expansion encouraged larger-scale cultivation in regions like Bengal and Gujarat, laying the groundwork for commercial production.[111] In the early 20th century, hybridization efforts began to improve sesame yields, with breeders crossing local varieties to develop higher-yielding strains resistant to environmental stresses, marking a shift from traditional farming to systematic agronomy.[20] In 1900, the invention of the continuous mechanical screw press revolutionized extraction, enabling efficient, large-scale oil production from sesame seeds and reducing reliance on labor-intensive manual methods.[112] Global sesame seed production rose steadily through the century, reaching approximately 3 million tons by 2000, from which about 1.5 million tons of oil could be extracted annually, driven by expanding cultivation in Asia and Africa.[113] Post-1990s trends have emphasized sustainability, with organic certification for sesame oil growing rapidly due to consumer demand for chemical-free products; global organic sesame production increased from niche levels to over 100,000 tons by the 2010s, supported by standards from bodies like the USDA and EU.[114] In the 2000s, research into sesame oil as a biofuel feedstock gained momentum, with studies demonstrating its viability for biodiesel production due to high oil content and oxidative stability, though commercialization remains limited by cost.[115] Regulatory advancements, such as the U.S. FDA's 2021 FASTER Act, mandated sesame allergen labeling on packaged foods effective 2023, enhancing safety and transparency in global trade.[116] As of 2022, Sudan is the leading producer with 1.029 million tons of sesame seeds annually, followed by India at 820,000 tons; together they account for about 27% of global output (6.7 million tons total).[117] However, climate change poses challenges, including erratic rainfall and rising temperatures that have reduced yields by up to 20-30% in vulnerable African and Asian regions.[118] Innovations in high-stability varieties through GMO-free breeding, such as those developed via advanced selection techniques, have improved oil shelf life and yield resilience without genetic modification.[119] In Africa, sustainable farming practices, including agroforestry integration and water-efficient irrigation, are being adopted in countries like Ethiopia and Tanzania to mitigate environmental impacts and boost long-term productivity.[120][121]

References

  1. [PDF] STANDARD FOR NAMED VEGETABLE OILS CODEX STAN 210 ...
  2. Sesame (Sesamum indicum L.): A Comprehensive Review of ...
  3. Sesame Seed Oil Properties | Oklahoma State University
  4. [PDF] Sesame and Sesame Oil Profile - Cornell eCommons
  5. Oil and Fatty Acid Content Among Diverse Sesame Genetic Resources
  6. Physicochemical, potential nutritional, antioxidant and health ...
  7. Food and nutraceutical functions of sesame oil - PubMed
  8. Sesamum indicum (sesame) | CABI Compendium
  9. Sesamum indicum - an overview | ScienceDirect Topics
  10. Some Physical Properties of Sesame Seed - ScienceDirect
  11. Seed quality and relative lignan profiles of sesame prospected from ...
  12. [PDF] SESAME Alternative Crop Guide
  13. Sesame Seed production and top producing countries - Tridge
  14. Growing Sesame: Key Regions and Climate Requirements - Spices
  15. Genetic Improvement in Sesame (Sesamum indicum L.) - MDPI
  16. Breeding history for shattering trait in sesame: classic to genomic ...
  17. https://gramiyaa.com/blogs/news/white-vs-black-vs-mixed-sesame-seed-oil-how-to-choose
  18. Sesame Profile | Agricultural Marketing Resource Center
  19. Six Steps for Sesame Seed Oil Production - Oil Mill Machinery
  20. Effect of seed processing treatments on oil quality of Ethiopian ...
  21. The Effect of Extraction by Pressing at Different Temperatures on ...
  22. Optimization of Sesame Oil Extraction Process Conditions - Scirp.org.
  23. Optimizing the extraction process of sesame seed's oil using ...
  24. (PDF) Optimization of Sesame Oil Extraction Process Conditions
  25. Oil and Oilseed Processing III | Oklahoma State University
  26. Cooking Oils and Smoke Points: What to Know and How to Choose ...
  27. Sesame Oil - PubChem
  28. Determination and Daily Intake Estimation of Lignans in Sesame ...
  29. The contents of lignans in commercial sesame oils of Taiwan and ...
  30. Effects of different amino acid enzymatic preparations on the ... - NIH
  31. Phytosterol Contents of Edible Oils and Their Contributions to ...
  32. Comparison of key aroma-active compounds between roasted and ...
  33. Comparison of Volatile Compounds in Sesame Oil and Sesame ...
  34. Effect of endogenous antioxidants of sesame seeds and sesame oil ...
  35. Effects of sesame seed extract as a natural antioxidant on the ... - NIH
  36. Sesame oil nutrition facts and analysis. - Nutrition Value
  37. Variability of Fatty Acid Composition and Lignan Content in Sesame ...
  38. Calories in Sesame Oil - 1 tablespoon from USDA - Nutritionix
  39. [PDF] USDA National Nutrient Database for Standard ReferenceRelease 28
  40. https://ases.in/blogs/news/sesame-oil
  41. Cold-Pressed vs. Refined Sesame Oil: Which One Should You ...
  42. A Guide to Sesame Oil for Cooking - Simply Recipes
  43. https://naturishelite.com/blogs/news/types-of-sesame-oil-cold-pressed-vs-toasted-vs-refined
  44. Sesame Oil Uses and Substitutions - Chew Out Loud
  45. Sesame Oil, Explained: What's the Difference Between Toasted and ...
  46. All About Toasted Sesame Oil | America's Test Kitchen
  47. https://ift.onlinelibrary.wiley.com/doi/10.1111/1541-4337.70155
  48. https://www.graza.co/blogs/education/olive-oil-vs-sesame-oil-your-questions-answered
  49. Customer Questions & Answers - Amazon.com
  50. Consumer acceptability and sensory profiling of sesame oils ...
  51. Let's Talk About Sesame Oil and Sesame Paste - Chill Crisp
  52. Comparison of key aroma-active compounds between roasted and ...
  53. Average Peroxide Values (PV) of the Oils - ResearchGate
  54. The chemical composition and heavy metal content of sesame oil ...
  55. [PDF] CHARACTERIZATION OF WHITE SESAME SEED OIL AND ITS ...
  56. How Sesame Oil is Used in Chinese Cooking - Oriental Mart
  57. Sheet-Pan Bibimbap Recipe (with Video) - NYT Cooking
  58. Easy Japanese Tempura Batter Recipe - The Spruce Eats
  59. Learn How to Cook With Sesame Oil: 11 Sesame Oil Recipe Ideas
  60. Cooking 101: How to Cook With 16 Different Oils, Plus the 5 ...
  61. Want Better-Tasting Sesame Oil? Don't Put It in the Cabinet
  62. Sesame Oil Market Size, Share, Growth, Trends Report 2030
  63. https://www.banyanbotanicals.com/pages/plants-sesame-oil
  64. Oil pulling and importance of traditional medicine in oral health ... - NIH
  65. What Is Oil Pulling? A Guide to This Ayurvedic Practice
  66. Ma You (Sesame oil) in Chinese Medicine - Me & Qi
  67. Chinese sesame oil (Recipes and Nutritional information)
  68. Stress-Relieving Effects of Sesame Oil Aroma and Identification of ...
  69. 5 Uses of Sesame Oil for Hair - Healthline
  70. Antioxidant, antibacterial, and systemic efficacy of sesame oil pulling ...
  71. Normal and delayed wound healing is improved by sesamol, an ...
  72. https://www.1mg.com/ayurveda/sesame-seeds-117
  73. https://www.youwish.nl/en/oils-butters/sesame-seed-oil/
  74. 8008-74-0, Sesame oil Formula - ECHEMI
  75. Quality Standards and Pharmacological Interventions of Natural Oils
  76. Sesame Oil in Injectables, Capsules, Topicals - Utah Trading LLC
  77. [DOC] Nutritional, medicinal and culinary uses
  78. Sesame Oil BP EP USP Pharma Grade - Jeifer Pharmaceutical
  79. Physical and rheological investigation of vegetable oils and their ...
  80. Semidrying oil - CAMEO
  81. [PDF] Biodiesel Production From Indian Sesame Oil and the Performance ...
  82. https://ases.in/products/sesame-seed-oil-cold-pressed-tilli-ka-tel
  83. Sesame: Ninth Major Food Allergen in U.S. - eatrightPRO.org
  84. European Union - Food Allergens - FARRP
  85. Prevalence and Severity of Sesame Allergy in the United States - PMC
  86. Hypersensitivities to sesame and other common edible seeds - Patel
  87. A practical focus on sesame allergy and a brief review of other seed ...
  88. Amended Safety Assessment of Sesamum Indicum (Sesame) Seed ...
  89. Changes in oxidation-derived off-flavor compounds of roasted ...
  90. Improving Prediction of Peroxide Value of Edible Oils Using ... - NIH
  91. Are Vegetable and Seed Oils Bad for Your Health? - Healthline
  92. Millets and Herders: The Origins of Plant Cultivation in Semiarid ...
  93. Evidence for Cultivation of Sesame in the Ancient World - jstor
  94. Exotic foods reveal contact between South Asia and the Near East ...
  95. [PDF] The Linguistic History of Some Indian Domestic Plants
  96. Assyrian Prescriptions for the Head - jstor
  97. Identification of sesame oil and oil soot ink in organic deposits of ...
  98. (PDF) The Botanical Treasures of Tutankhamun - Academia.edu
  99. The Scents of Larsa: A Study of the Aromatics Industry in an Old ...
  100. The Social and Economic Value of Oil in Ancient Greece
  101. Historical Uses of Sesame - Assyrian International News Agency
  102. [PDF] HISTORY OF SESAME (100 CE to 2022): - SoyInfo Center
  103. Inventing the First Continuous Mechanical Screw Press -
  104. Economic analysis of sesame (Sesamum indicum L.) production in ...
  105. Organic Production of Sesame: Status, Techniques, and Market
  106. Biodiesel production from Sesamum indicum L. seed oil
  107. The FASTER Act: Sesame Is the Ninth Major Food Allergen - FDA
  108. Which Country Produces the Most Sesame Seeds? - Helgi Library
  109. Equinom sesame gives Japanese food manufacturers a whole new ...
  110. https://www.bmcplantbiol.biomedcentral.com/articles/10.1186/s12870-024-05203-4
  111. Specialty Grains & Seeds | Sesame Production - Olam Agri
  112. Pregnancy Ayurvedic oil massage - Blog - Birth Humanity
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