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Sesame

Health Conditions29
Table of contents

Other Names

accheelluajonjolíajonjolibenebene seedsbenibeniseedbennebenneseedbennibenniseedbijanchamkkaechi mahchih mahDysosmon amoenumellugechinggingellygingiligingilligingliginjiligomahak chi mahhei zhi mahu makaruthellukattu yellukehkunjadkuro gomalamtilengalingamenga dee langaanuvvulurasiSemen SesamisemsemsesamsesamosésamosesamumSesamum africanumSesamum indicumSesamum occidentalisSesamum oleiferumSesamum orientalesim-simsimsimsusamtaltallteelthalatiltilatilagachhtiliVolkameria orientaliswijenzhi ma

Synopsis

Sesame (Sesamum indicum L.): A Comprehensive Reference

1. Identity and Botanical Description

Scientific Classification and Names

Sesame, commercially known as Sesamum indicum L., is mainly considered an oilseed crop worldwide, belonging to the family Pedaliaceae. Known as the "queen of oilseeds," it is native to Africa, China, and India. The species carries numerous vernacular names across cultures: in Hindi and Bengali it is called til, and in Sanskrit — where it holds significance in both Ayurveda and religious ritual — the same term applies. In China, it is known variously as Hu ma zhi, Hei zhi ma, and Hu-ma, and is used both as food and in traditional medicine.

Botanical Description and Common Forms

Sesame seeds, known as til in Indian languages, are small, flat, oval, oil-rich seeds derived from the pods of the Sesamum indicum plant. Ayurveda describes three varieties of sesame based on the colour of seeds: raktha (red), krishna (black), and shweta (white).

Sesame is processed and consumed in numerous forms. One of the oldest cultivated oilseed crops, sesame is a highly versatile plant; beyond oil extraction, sesame seeds are processed into a variety of products such as sesame paste, sesame milk, and other functional foods. Sesame has long been used as a popular edible grain in the food industry of Asian countries in various forms such as edible oil, cake batter, flour, and snacks with nuts. Principal preparations include:

  • Whole seeds — raw, roasted, sprouted, or soaked; used in cooking and confectionery.
  • Sesame oil — cold-pressed or expeller-pressed; used culinarily and medicinally.
  • Tahini — ground sesame seed paste, a staple of Middle Eastern cuisine.
  • Sesame flour/meal — a by-product of oil extraction used as a protein supplement.
  • Isolated lignan supplements — capsule or tablet forms containing concentrated sesamin or sesamolin.

Sesame seeds are available in a variety of forms, such as whole seeds, hulled, or toasted, each with distinct culinary uses.

2. Historical and Traditional Use

Origins and Antiquity

Sesame seeds are some of the oldest cultivated crops in the world, with origins debated between the Indian subcontinent and Africa, and domestication dating back at least 5,500 years. Their popularity spread across the Silk Road, and ancient civilizations across Mesopotamia, Egypt, and China valued them. Historical records of the Indus Valley site at Harappa (2600 BCE) suggest that the sesame plant was domesticated in ancient Indian culture, then spread to Mesopotamia, Egypt, and China.

For more than 4,000 years, sesame has been used as food, medicine, and in ritual or spiritual practices in the Middle East and Egypt. Perfumes and medicines were prepared from sesame oil in the Babylonian empire. During 1500 BCE in ancient Egypt, sesame was used as medicine and oil for purification ceremonies.

Ayurveda (India)

In the Sushruta Samhita, a Sanskrit text of Ayurvedic medicine, sesame oil is deemed the "most commendable" of oils and recommended for wounds, burns, and bites. In the Indian traditional medicine of Ayurveda, sesame is considered an extremely beneficial medicine, especially when used externally. When processed with appropriate herbs to moderate its sharp and heating properties, it is regarded as one of the most excellent therapeutic elements for vata diseases. Ayurveda acharyas describe sesame oil as first in the rank of oils of vegetable origin, due to its wide medicinal role compared to oils from coconut, castor, mustard, or flax.

Sesame oil is often used in Ayurvedic treatments such as abhyanga (oil massage) and nasya (nasal therapy) for its therapeutic effects. Sesame represents immortality in Hindu tradition. Sesame is used widely in Indian culture on auspicious occasions, rituals, and religious sacrificial fires due to its spiritual and energetic importance.

Traditional Chinese Medicine (TCM)

For as long as 3,000 years, sesame seed has reportedly been used in China as food and medicine, and in producing ink for calligraphy. In TCM, sesame oil is believed to nourish the blood, lubricate the intestines, and moisten dryness in the body. It is often used to support digestive health and relieve constipation.

Middle Eastern, African, and Other Traditions

Sesame oil has been a staple in traditional Middle Eastern and African medicine for centuries. It has been applied topically to heal wounds, treat burns, and soothe skin conditions like eczema and psoriasis. In Nigeria, locally consumed sesame leaf extracts are used to treat skin disorders such as infections. In North Africa (Morocco), sesame seeds are taken for their hypnotic effects (for treating insomnia) and galactogogue effects (for increasing milk flow). In Western European countries, sesame is purportedly taken as a laxative and for treating dysentery. According to secondary sources, ancient Greeks consumed sesame seeds for stimulant effects and to increase energy and enhance athletic performance. In Unani medicine (a form of medicine based on Greek philosophy and adopted by Arabic and Indian cultures), sesame is believed to have contraceptive effects.

3. Nutritional Composition

Nutritionally dense, sesame seeds provide high levels of healthy fats, plant-based protein, dietary fiber, and essential minerals such as calcium and iron. A one-ounce (28 g) serving contains approximately 163 calories, 5 g protein, 14 g fat, 7 g carbohydrates, and 4 g fiber.

Sesame seeds boast a significant amount of oleic acid, a monounsaturated fatty acid, constituting up to 50% of their fatty acids. Sesame seeds are an excellent source of linoleic acid (the only essential omega-6 fatty acid), providing 35% of the daily value per 1-ounce serving. The ω-3 and ω-6 fatty acids in sesame oil are precursors to eicosanoids that regulate the immune system and inflammatory functions.

Just 100 grams of sesame seeds provide approximately 18 grams of protein, fulfilling 32% of daily recommended values. Sesame seeds are exceptionally rich in essential minerals such as calcium, iron, manganese, zinc, magnesium, selenium, and copper. Niacin, a B-complex vitamin abundant in sesame, provides approximately 4.5 mg or 28% of the daily required levels in a 100-gram serving.

Sesame seeds are also rich in oxalic acid, dietary fiber, antioxidants, minerals, unsaturated fatty acids, phenolics, vitamins, and phytosterols. Sesame oil is reputed to be highly oxidatively stable due to its richness in vitamin E (α-, β-, γ-, and δ-tocopherols and the corresponding four tocotrienol homologs).

Soaking, roasting, or sprouting sesame seeds can improve nutrient absorption by reducing antinutrients like oxalates and phytates.

4. Key Phytochemical Constituents and Active Compounds

Overview of Phytochemical Diversity

To date, more than 180 phytochemical constituents have been isolated and identified from sesame seeds, seed oils, and other plant organs. These include lignans, polyphenols, phytosterols, phenols, anthraquinones, cerebrosides, fatty acids, vitamins, proteins, essential amino acids, and sugars.

Lignans

The most pharmacologically prominent constituents of sesame are its lignans. Sesame seeds and their derivatives, including oil, flour, and supplements, contain valuable lignan compounds such as sesamin, sesamolin, sesamol, and episesamin.

  • Sesamin: Sesamin is a fat-soluble lignan derived from Sesamum indicum seeds and oil, and has received increased attention due to its wide array of pharmacological properties including its immunomodulatory and anti-inflammatory potential.
  • Sesamol: Sesamol is a natural phenolic compound and a major lignan isolated from sesame seeds and sesame oil. The therapeutic potential of sesamol has been investigated intensively, and there is compelling evidence that sesamol acts as a metabolic regulator that possesses antioxidant, anti-mutagenic, anti-hepatotoxic, anti-inflammatory, anti-aging, and chemopreventive properties. Sesamol, chemically known as 5-hydroxy-1,3-benzodioxole or 3,4-methylene-dioxyphenol, is a water-soluble phenolic lignan with molecular formula C7H6O3 and molar mass of 138.12 g/mol. It is found in trace amounts in sesame oil.
  • Sesamolin: A lignan present alongside sesamin, with antioxidant and lipid-modulating properties (discussed below in mechanisms of action).

Polyphenols and Other Leaf Constituents

Three iridoids (lamalbid, sesamoside, and shanzhiside methyl ester) and seven polyphenols (cistanoside F, chlorogenic acid, pedalitin-6-O-laminaribioside, pedaliin, isoacteoside, pedalitin, and martynoside) have been identified in young sesame leaves, in addition to acteoside reported previously. Of the identified compounds, acteoside and isoacteoside showed high DPPH radical scavenging, oxygen radical absorbance capacity, and in vitro antiglycation activities. Given its content, acteoside makes a major contribution to the biological activities of young sesame leaves.

Tocopherols

A combination of minor constituents such as tocopherols and phenolic components in sesame seed oil may have a synergistic action in increasing antioxidant activity against diseases caused by oxidative stress. Some of the main active antioxidative constituents in fresh sesame oil extracted from roasted seeds are γ-tocopherol and phenols.

5. Mechanisms of Action

Antioxidant Activity

Sesame seeds reduce reactive oxygen species (ROS) by regulating the level of oxidative enzymes such as superoxide dismutase (SOD), glutathione (GSH), glutathione peroxidase (GPx), and catalase (CAT), and oxidative stress markers such as thiobarbituric acid reactive substance (TBARS) and malondialdehyde (MDA). Sesamin and sesamolin in sesame oil exert antioxidative effects by improving GPx activity and reducing MDA, lipid peroxidation, and superoxide production.

Anti-Inflammatory Pathways

Besides modulating inflammatory cytokines, sesame regulates the main mediators of the signaling pathways in the process of inflammation, such as prostaglandin E2 (PGE2), nuclear factor kappa light-chain enhancer of activated B cells (NF-κB), and peroxisome proliferator-activated receptor gamma (PPAR-γ). The signaling pathways that sesamol targets include the p53, MAPK, JNK, PI3K/AKT, TNFα, NF-κB, PPARγ, caspase-3, Nrf2, eNOS, and LOX pathways.

Lipid Metabolism Modulation

Sesame lignans (sesamin and sesamolin) act as potent modulators of lipid metabolism through the activation of peroxisome proliferator-activated receptor alpha (PPARα), leading to enhanced fatty acid oxidation and reduced lipogenesis. The lipid-lowering effects of sesamol are evidenced by its effects on serum lipid levels, which have been attributed to its potential for significantly influencing molecular processes involved in fatty acid synthesis and oxidation as well as cholesterol metabolism. Studies highlight the ability of sesamol to inhibit fatty acid synthesis, stimulate fatty acid oxidation, enhance cholesterol metabolism, and modulate macrophage cholesterol efflux.

Antihypertensive and Cardiovascular Effects

It has been shown that sesamin and sesamolin have antihypertensive effects, increase the antioxidant activity of vitamin E in the lipid peroxidation system, lower cholesterol, raise the oxidizing enzymes of fatty acids in the liver, and protect neurons against hypoxia and brain damage.

Biosynthesis of Lignans

In the biosynthesis pathway of sesamin, E-coniferyl alcohol is produced from the amino acid phenylalanine, which then leads to the production of pinoresinol in sesame seeds. Pinoresinol is converted to piperitol and sesamin in mature seeds by the CYP81Q1 gene. In younger seeds, pinoresinol is converted to sesamolin.

6. Scientific Evidence by Health Area

6.1 Cardiovascular Disease Risk Factors (Lipids and Blood Pressure)

Evidence summary: Multiple systematic reviews and meta-analyses of randomized controlled trials (RCTs) have examined sesame's effects on cardiovascular risk factors. The body of evidence is moderate in size but limited by small individual trial populations, short intervention durations, heterogeneity in sesame form and dose, and variable risk of bias.

Overall, 16 trials involving 908 participants were included in one updated meta-analysis. Compared with the control group, sesame intake significantly decreased the levels of total cholesterol, triglycerides, systolic blood pressure, diastolic blood pressure, body weight, body mass index, hip circumference, and waist circumference (P < 0.05). These results were stable in sensitivity analysis, and no significant publication bias was detected. The findings provided evidence that sesame consumption may reduce the risk of CVD by improving blood lipids, blood pressure, and body weight management.

An earlier meta-analysis returned a more cautious result. A meta-analysis showed that consumption of sesame did not significantly change the concentrations of total blood cholesterol (−0.32 mmol/L; 95% CI −0.75, 0.11; P = 0.14, I² = 96%), LDL-cholesterol, or HDL-cholesterol. This highlights the substantial heterogeneity across studies.

A separate meta-analysis specifically focusing on hypertensive and pre-hypertensive individuals found more pronounced effects. Six trials, with interventions ranging from 4 to 8 weeks and involving 465 participants, reported reductions in body mass index (WMD, −3.00 kg/m²), weight (WMD, −7.51 kg), diastolic blood pressure (WMD, −16.29 mmHg), and systolic blood pressure (WMD, −20.78 mmHg). The authors themselves noted the unusually large magnitude of blood pressure reduction: the unusually large reductions in SBP and DBP reported in this meta-analysis warrant cautious interpretation.

6.2 Glycemic Control and Type 2 Diabetes

Evidence summary: Human trials suggest a potential benefit of sesame on glycated hemoglobin (HbA1c) and fasting blood sugar in people with type 2 diabetes, though the effect sizes vary and the evidence quality is rated as low to moderate.

Thirteen trials, with interventions ranging from 4 to 12 weeks and involving 521 participants, demonstrated significant reductions in glycated hemoglobin (HbA1c) (SMD = −0.67; 95% CI −1.01, −0.32). A meta-analysis of 10 trials in patients with type 2 diabetes found improvements in lipid profile indicators but no significant effects on BMI, body weight, or HDL levels. Another review of eight trials suggested that sesame supplementation led to reductions in fasting blood sugar (FBS) and HbA1c, indicating potential benefits for glycemic control in type 2 diabetes.

Specific dosages used in individual trials include: 30 mL/day of sesame oil for 3 months, which decreased serum FBS and HbA1c and increased insulin in type 2 diabetes patients. Sesame supplementation at a dosage of 200 mg/day for 2 months was associated with a decline in FBS and HbA1c in participants with type 2 diabetes mellitus. Oral consumption of sesame oil at 15 g/day for 8 weeks was also reported to improve some glycemic markers of patients with type 2 diabetes.

Sesame is a popular spice rich in bioactive compounds like flavonoids and phenolic acids, which have various biological effects including anti-hyperglycemic activities that help protect pancreatic beta cells.

6.3 Knee Osteoarthritis

Evidence summary: A small number of RCTs have investigated both oral sesame seed supplementation and topical sesame oil for knee osteoarthritis, with generally positive results, though study populations remain small.

In one trial, 50 patients with knee osteoarthritis were allocated into two groups: one receiving 40 g of sesame seed daily along with standard medical therapy, and one receiving standard treatment alone, for two months. Serum total antioxidant capacity, malondialdehyde, and lipid profile were measured.

Regarding topical use, the efficacy of topical sesame oil versus diclofenac gel in patients with knee osteoarthritis was evaluated in a prospective randomized double-blind active-controlled clinical trial. One hundred and four patients were randomly enrolled. Patients were treated by topical sesame oil or diclofenac three times a day for 4 weeks. Outcome measures included knee pain via visual analogue scale, the WOMAC questionnaire, knee joint flexion angle, 8-meter walk test, and number of analgesics used. Topical sesame oil was found to be non-inferior to diclofenac gel in reducing knee pain and improving some indicators of joint function.

6.4 Inflammation and Rheumatoid Arthritis

Evidence summary: Preliminary clinical trial evidence suggests sesamin supplementation may reduce inflammatory markers in women with rheumatoid arthritis, but trials are few and small. The biological basis is supported by preclinical mechanistic data.

Various in vitro, in vivo, and clinical studies have demonstrated that sesame seeds contain lignan-like bioactive compounds with diverse pharmacological activities, including antioxidant, cholesterol-lowering, lipid-regulating, hepatoprotective, nephroprotective, cardioprotective, anti-inflammatory, and anti-tumour properties. The immunomodulatory and anti-inflammatory properties of sesamin have been reviewed in the peer-reviewed literature, with the mechanism centered on the ability of sesamin to modulate inflammation, cellular and humoral adaptive immune responses, and the Th1/Th2 paradigm. The potential influence of sesamin on the cytotoxic activity of NK cells against cancer cells has also been highlighted, and the molecular mechanisms and signal transduction pathways underlying such effects have been underscored.

6.5 Anti-Cancer Properties (Preclinical Evidence Only)

Evidence summary: Anti-cancer research on sesame constituents is currently limited to in vitro cell-line studies and animal models. No human clinical trials have established anti-cancer efficacy of sesame or its lignans.

A comprehensive review summarized the in vitro and in vivo anti-cancer activity of sesamol in several cancer cell lines and animal models. The protective role that sesamol plays against oxidative stress through its radical scavenging ability and lipid peroxidation-lowering potential was analyzed, as was its ability to regulate apoptosis and various stages of the cell cycle. There is ample evidence suggesting that sesamol possesses potent anti-cancer properties in vitro and in vivo. However, translation to humans has not yet been demonstrated in clinical trials.

6.6 Atherosclerosis and Inflammation

Evidence summary: Preclinical and mechanistic evidence is substantial; human trial data on atherosclerotic endpoints directly are limited.

Sesame can decrease lipid peroxidation and affect the enzymes that control the balance of oxidative status in the body. Besides modulating inflammatory cytokines, sesame regulates the main mediators of the signaling pathways in inflammation, such as PGE2, NF-κB, and PPAR-γ. Sesame also decreases the growth of different pathogens.

6.7 Obesity and Body Composition

Evidence summary: Meta-analyses report reductions in body weight, BMI, waist circumference, and hip circumference with sesame supplementation, though effect sizes vary and the magnitude of effects in some pooled analyses likely reflects study heterogeneity.

Sesame fights against obesity and helps to reduce weight, body mass index (BMI), waist circumference, and lipid count of serum and liver. These findings from animal and human studies are broadly consistent, but individual human trials have been short (typically 4–12 weeks) and conducted in specific clinical populations.

7. Dosage Forms and Dosages Reported in Studies

The following dosages reflect those actually reported in peer-reviewed clinical study sources and should not be interpreted as recommended doses:

  • Oral sesame seeds: 40 g daily for 2 months in knee osteoarthritis patients.
  • Sesame oil (oral): 30 mL/day for 3 months in patients with type 2 diabetes.
  • Sesame oil (oral): 15 g/day for 8 weeks in patients with type 2 diabetes.
  • Sesame supplement (capsule/powder): 200 mg/day for 2 months in participants with type 2 diabetes mellitus.
  • Topical sesame oil: Applied three times a day for 4 weeks in knee osteoarthritis.
  • Intervention durations across reviewed trials: Ranged from 4 to 12 weeks, in populations including type 2 diabetes, hypertension, rheumatoid arthritis, hemodialysis, knee osteoarthritis, and cardiovascular disease patients, as well as overweight/obese and pre-hypertensive individuals.

Dosage forms observed across the clinical literature include: black sesame meal capsules, sesame bars, sesame oil, sesame seeds, and sesame seed powder.

8. Body Systems and Health Areas Associated with Sesame

  • Cardiovascular system: Blood pressure reduction, lipid profile modulation, anti-atherogenic effects.
  • Metabolic/Endocrine system: Glycemic control, insulin sensitivity, anti-obesity effects.
  • Musculoskeletal system: Pain and functional improvement in osteoarthritis (oral and topical).
  • Immune and Inflammatory system: Immunomodulation, cytokine regulation, anti-rheumatic effects.
  • Hepatic/Renal system: Sesame seeds offer protective effects on the liver and kidneys.
  • Neurological system: Sesamin and sesamolin have been shown to protect neurons against hypoxia and brain damage. (These findings are primarily from animal models.)
  • Dermatological system: Topical application for wound healing, skin conditions, and joint pain in traditional medicine contexts.
  • Digestive system: Traditional use for constipation and intestinal lubrication; dietary fiber content.

9. Notable Safety Considerations and Drug Interactions

Allergenicity

The Food Allergy Safety, Treatment, Education, and Research (FASTER) Act identifies sesame as the ninth major food allergen. As of January 1, 2023, sesame must be labeled as an allergen on packaged foods and dietary supplements. The list of major food allergens is now: milk, egg, fish, crustacean shellfish, tree nuts, wheat, peanuts, soybeans, and sesame. Given the rising prevalence of sesame allergies, sesame has been added to the list of the most common food allergens. In countries such as the United States, the European Union, Canada, and Australia, food manufacturers are required to clearly label sesame as an ingredient in prepackaged foods.

Potential Interactions with Antidiabetic Medications

Sesame may decrease blood sugar; because antidiabetic medications are also used to lower blood sugar, taking sesame alongside these drugs might cause blood sugar to drop too low, and blood sugar should be monitored closely.

Potential Interactions with Antihypertensive Medications

Future clinical trials should systematically document and report safety outcomes, including minor gastrointestinal effects, allergic reactions, and any potential interactions with concurrent medications, particularly antihypertensive drugs, to provide comprehensive safety data for clinical decision-making. The current evidence base does not yet provide definitive human data on interaction magnitude with antihypertensive drugs.

Potential Interaction with Warfarin (CYP2C9 Inhibition)

Cytochrome P450 2C9 (CYP2C9) plays the key role in transformation of coumarin and influences determination of warfarin dosage. A number of factors, including dietary compounds such as sesamin, caffeic acid, and ferulic acids, can regulate the activity of CYP2C9. Experimental studies have tested the hypothesis that sesamin and episesamin decrease the rate of warfarin 7-hydroxylation via inhibition of hepatic CYP2C9, and experiments were conducted on hepatic microsomes from human donors. Whether this interaction produces clinically meaningful effects at dietary doses of sesame in humans has not been conclusively established in clinical trials.

P-Glycoprotein Interactions

Some medications are moved by pumps in cells (P-glycoprotein substrates). Sesame can make these pumps less active and may increase how much of some medications get absorbed by the body, potentially increasing their effectiveness. The clinical significance of this interaction at typical dietary or supplemental sesame intakes requires further investigation.

Antinutrient Content

Sesame seeds contain antinutrients like oxalates and phytates, which can reduce mineral absorption; soaking, roasting, or sprouting sesame seeds can improve nutrient bioavailability by reducing these antinutrients.

General Evidence Quality and Limitations

Future studies should use placebo-controlled designs, exclude co-interventions, and standardize sesame doses and forms. Long-term studies are warranted to assess sustained efficacy and safety, as well as potential benefits on clinical endpoints such as cardiovascular events. The evidence reviewed in existing meta-analyses is generally rated as low to moderate quality (GRADE framework), with heterogeneity in products used, populations studied, and outcomes measured being recurring limitations.

References

Health Conditions

Health conditions that Sesame may help support.

  • Sesame seeds and oil are well-established dietary antioxidants. Clinical trials confirm that sesame supplementation significantly increases superoxide dismutase (SOD) and catalase activity and reduces malondialdehyde (MDA). A meta-analysis of 13 RCTs in T2DM patients showed significant increases in CAT (WMD +3.41) and SOD (WMD +2.76). Sesamin, sesamol, sesamolin, and vitamin E (tocopherols/tocotrienols) are the primary antioxidant constituents.

  • Arterial HealthScientific

    Sesame's antihypertensive, anti-atherosclerotic, and lipid-modulating effects collectively support arterial health. Sesamin modulates vascular tone and reduces oxidative modification of LDL. Clinical trials confirm blood pressure reductions and improvements in lipid profiles relevant to arterial wall integrity. Sesame's omega-6 fatty acids are also proposed to reduce arterial plaque development.

  • ArthritisScientific

    Sesame has been studied directly in knee osteoarthritis patients. A clinical trial (50 patients, 40 g/day sesame for 2 months) found significant within-group reductions in MDA and hs-CRP. Sesamol's mechanisms include inhibition of TNF-α, IL-1β, IL-6, COX-2, and NF-κB. Evidence is preliminary but based on published human data, primarily in osteoarthritis rather than rheumatoid arthritis.

  • Sesame oil oil-pulling has been studied in clinical trials and found comparable in efficacy to chlorhexidine rinse for reducing halitosis and associated odor-producing bacteria. A 2014 RCT (J Clin Diagn Res) and an RCT pilot trial (J Indian Soc Pedod Prev Dent, 2011) support this. The mechanism involves mechanical removal of bacteria and saponification of microbial cell membranes during swishing.

  • Blood PressureScientific

    Multiple controlled trials and meta-analyses confirm sesame consumption significantly reduces both systolic and diastolic blood pressure. A 2017 meta-analysis of eight controlled trials (843 participants) found SBP reductions of ~7.8 mmHg and DBP reductions of ~5.8 mmHg. Active constituents include lignans (sesamin), polyunsaturated fatty acids, phytosterols, and fiber. Evidence quality is moderate with high heterogeneity across studies.

  • Clinical trials and meta-analyses demonstrate that sesame reduces fasting blood glucose and HbA1c, particularly in type 2 diabetes populations. A meta-analysis of 13 RCTs found fasting glucose reduction of −28.48 mg/dL and HbA1c reduction (WMD −0.98%) with sesame supplementation. Sesame's flavonoids, phenolic compounds, and fiber are proposed to protect pancreatic beta cells and slow glucose absorption.

  • Bone DensityScientific

    Sesame seeds are a notable dietary source of calcium, zinc, copper, and magnesium — minerals essential for bone mineralization. Literature reviews (PubMed, ScienceDirect, Google Scholar) confirm sesame has a positive impact on bone health in postmenopausal women with osteoporosis. Sesame lignans may also exert phytoestrogenic effects that slow bone resorption. Most mechanistic evidence is preclinical; some supportive human observational data exist.

  • CholesterolScientific

    Clinical evidence on sesame and cholesterol is mixed but leans positive, particularly for LDL and total cholesterol in metabolic disease populations. A meta-analysis of 13 RCTs in type 2 diabetes showed significant reductions in LDL-C (WMD −29.72 mg/dL) and total cholesterol (WMD −32.76 mg/dL). An earlier meta-analysis (2016) found no significant effect in general populations but did find triglyceride reduction. Sesame lignans and phytosterols are the primary proposed mechanisms.

  • A meta-analysis of seven RCTs (310 participants) examined sesame's effect on inflammatory biomarkers; individual trials show reductions in MDA, hs-CRP, IL-6, and TNF-α, though pooled results are mixed. Sesame lignans (sesamin, sesamol) and phenolic compounds inhibit NF-κB signaling and suppress pro-inflammatory cytokine production. Evidence is present but inconsistent across studies.

  • Sesamin protects neurons from oxidative injury via multiple mechanisms: scavenging H₂O₂-driven ROS, reversing BCL-2 decline, limiting caspase-mediated apoptosis in neuroblastoma cells, preserving mitochondrial Sirtuin 3, and reducing JNK-mediated neuroinflammation. Sesame's omega-6 fatty acids support neural membrane integrity. Evidence is primarily preclinical/mechanistic; limited human clinical data specifically for cognitive outcomes.

  • Dry SkinScientific

    Topical sesame oil has been shown in a human study (35 volunteers, average age 20) to increase skin hydration by nearly 30% after a single application. Sesame oil's fatty acid composition (particularly oleic acid) forms a barrier film on the epidermis that reduces transepidermal water loss. It is widely used as an emollient in dermatology and traditional medicine.

  • Sesame lignans (sesamin, sesamolin) are converted by intestinal microbiota into enterolactone, a mammalian lignan that weakly binds estrogen receptors and may also stimulate Sex Hormone-Binding Globulin (SHBG) synthesis. A 5-week clinical study in 24 postmenopausal women found that 50 mg sesame powder improved hormone status. These phytoestrogenic properties are documented but modest compared to classical phytoestrogens.

  • A clinical trial (PMC, PMID 23930112) in 25 infertile men found that 0.5 mg/kg sesame for 3 months significantly improved sperm count and motility. High seminal reactive oxygen species (ROS) is a major cause of male infertility, and sesame's antioxidant activity is the proposed mechanism. Evidence is limited to one small open-label trial but is published in peer-reviewed literature.

  • Sesame oil oil-pulling has been evaluated in clinical trials for plaque reduction and gingivitis. A 2025 RCT (40 volunteers, Medical University of Innsbruck) found significantly higher plaque reduction with sesame oil than distilled water. An earlier study in boys with gingivitis showed that sesame oil pulling reduced plaque, improved gingivitis, and reduced harmful oral bacteria comparably to standard mouthwash.

  • Healthy AgingScientific

    Sesame's lignans, particularly sesamin, interact with SIRT1 (a key longevity-associated deacetylase), modulate PPARα and Nrf2 pathways, and suppress oxidative stress and inflammation — mechanisms central to healthy aging. Clinical trials document improved antioxidant enzyme activity, reduced MDA, and improved cardiometabolic parameters. Traditional Chinese Medicine has long classified sesame (especially black sesame) as an anti-aging tonic.

  • Healthy WeightScientific

    Sesame's antiobesity effects are documented in preclinical studies and partially in human trials. A 2025 meta-analysis (6 trials, 465 participants in hypertensive populations) documented reductions in BMI (WMD −3.00 kg/m²) with sesame supplementation. Sesame's fiber and protein increase satiety, while sesamin activates PPARα to promote fat oxidation. Evidence is emerging but not as robust as for lipid/glucose effects.

  • Heart HealthScientific

    Sesame supports heart health through clinically demonstrated reductions in blood pressure, LDL cholesterol, triglycerides, and inflammatory/oxidative markers — all major cardiovascular risk factors. Multiple meta-analyses of RCTs confirm these cardiometabolic benefits in hypertensive and diabetic populations. Sesame's polyunsaturated fatty acids, lignans, phytosterols, and antioxidant vitamins are the principal cardioprotective agents.

  • Hot FlashesScientific

    Sesame lignans are converted to enterolactone, a weak phytoestrogen that may reduce hot flash frequency by modulating thermoregulatory centers via estrogen receptor binding. The clinical study in 24 postmenopausal women using 50 mg sesame powder showed hormone status improvement, consistent with vasomotor symptom relevance. Evidence is preliminary and largely mechanism-based rather than from dedicated hot flash RCTs.

  • Sesame consumption improves blood glucose and HbA1c levels across clinical trials, though effects on HOMA-IR (insulin resistance) are inconsistent. The 2022 meta-analysis (8 trials) found favorable effects on glucose but not on insulin resistance per se. Sesamin's interaction with SIRT1, PPARα, and Nrf2 pathways is proposed as the mechanistic basis for improved insulin signaling.

  • Liver DetoxScientific

    Sesame lignans — particularly sesamin and sesamol — have documented hepatoprotective effects in preclinical models, including protection against carbon tetrachloride-induced liver injury and modulation of liver enzymes. Sesamin has been shown in animal studies to restore liver enzyme function and detoxification capacity. Human evidence is indirect (via improved liver enzymes in clinical trials) and largely supported by preclinical data.

  • MenopauseScientific

    Clinical evidence includes a 5-week study in 24 postmenopausal women showing that 50 mg/day sesame powder improved hormone status, antioxidant levels, and blood fat levels. Sesame lignans are converted to enterolactone (a weak phytoestrogen), offering potential broad menopausal support. Evidence is modest but published in peer-reviewed literature.

  • Sesame supplementation targets multiple components of metabolic syndrome simultaneously: blood pressure, fasting glucose, HbA1c, LDL cholesterol, and triglycerides are all reduced in clinical trials. A 2025 GRADE-assessed meta-analysis (13 RCTs, 521 participants) and a 2024 meta-analysis in T2DM (13 RCTs, 731 participants) both confirm multi-domain cardiometabolic benefits consistent with metabolic syndrome management.

  • Oral MicrobiomeScientific

    Sesame oil oil-pulling reduces populations of oral bacteria, including Streptococcus mutans, that form dental biofilm and contribute to plaque and dysbiosis. Clinical studies show significant reductions in bacterial load with regular sesame oil pulling. The mechanical swishing action combined with fatty acid antimicrobial properties disrupts microbial biofilm architecture.

  • The literature, including multiple reviews, supports sesame's role in postmenopausal osteoporosis prevention via calcium, mineral content, and lignan-mediated phytoestrogenic activity. A comprehensive review confirmed sesame seeds have a positive impact on postmenopausal women with bone-related problems. Mechanistic data on sesamin and enterolactone modulating estrogen receptors to reduce bone resorption are established, though large-scale human RCTs on fracture endpoints are lacking.

  • Sesame glycoproteins and oil have been studied for anti-photoaging effects in both cell models and hairless mice. Sesame oil reduces oxidative stress in skin cells and has been shown to improve elasticity and reduce age spots. Vitamin E and phenolic lignans in sesame protect skin cells from oxidative and UV-induced damage. A 2024 PMC study investigated sesame cake glycoproteins against UV-induced skin aging.

  • Studies report that sesame oil can filter approximately 30% of UV rays, offering modest photoprotective activity. Sesame oil's antioxidant composition (vitamin E, sesamol, sesaminol) helps neutralize UV-induced free radicals in skin cells. A 2018 California State University study reported topical sesame oil may create a protective UV barrier layer. Evidence supports use as a supplemental (not primary) photoprotectant.

  • TriglyceridesScientific

    Sesame consistently reduces triglycerides across multiple clinical trials and meta-analyses. A 2016 meta-analysis found a significant reduction in serum triglycerides (−0.24 mmol/L), and a 2023 crossover RCT in 30 healthy volunteers showed sesame meal extract reduced postprandial triglyceride AUC by 16.8%. Effects are attributed to pancreatic lipase inhibition by free fatty acids (linoleic, oleic acid) and hepatic lipid metabolism modulation by sesamin.

  • Wound HealingScientific

    Sesame oil has been tested for wound healing in a clinical RCT in trauma patients. A double-blind, placebo-controlled RCT (90 patients, Iranian emergency department) found topical sesame oil significantly reduced pain severity, sensitivity, and heaviness at traumatic limb sites. Animal studies confirm accelerated re-epithelialization (70% healing at 14 days vs. 35% for vaseline). Sesamol's NF-κB inhibition and anti-inflammatory cytokine suppression are the proposed mechanisms.

  • ConstipationTraditional

    Sesame oil is documented in Ayurvedic medicine as a mild laxative used to relieve constipation. Drinking diluted sesame oil on an empty stomach is a traditional Ayurvedic remedy. WebMD notes anecdotal evidence for sesame oil relieving minor constipation. Clinical RCT evidence in humans is lacking; the relationship is traditional and anecdotally supported.

Body Systems

Body systems that Sesame may help support.

  • No body systems available.
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