Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Lignans are plant-derived biphenolic compounds, primarily metabolized by gut microbiota into bioactive enterolignans like enterodiol and enterolactone. These enterolignans exert antioxidant, anti-inflammatory, and phytoestrogenic effects, contributing to hormonal balance and cardiovascular health.
Reported Benefits (Provisional)
Origin & History
Lignans are bioactive compounds extracted from sesame seeds (Sesamum indicum), a flowering plant cultivated in tropical and subtropical regions of Asia and Africa. Revered for over 4,000 years in traditional food and medicine, lignans are valued in functional nutrition for their potent antioxidant, phytoestrogenic, and cardiovascular benefits.
Research Narrative (Provisional)
Clinical research confirms the cholesterol-lowering and antihypertensive effects of sesame lignans. Studies also demonstrate enhanced antioxidant capacity through increased glutathione and SOD levels. Furthermore, hormonal modulation and phytoestrogenic effects have been validated in both postmenopausal women and androgen studies.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Lignans are polyphenolic compounds (specifically secoisolariciresinol diglucoside/SDG in flaxseed at 75–800 mg/100g; matairesinol and secoisolariciresinol in sesame seeds at 29–37 mg/100g) rather than macronutrients themselves. They contain no caloric value as isolated compounds. As phytoestrogenic compounds, their bioactive potency is measured in micrograms to milligrams: dietary intake typically ranges 0.5–2 mg/day in Western diets, rising to 15–30 mg/day in high-lignan diets. Gut microbiota convert plant lignans (SDG, matairesinol) into mammalian lignans enterodiol and enterolactone — the primary bioactive metabolites — with bioavailability highly dependent on microbiome composition (conversion efficiency varies 20–75% between individuals). Flaxseed lignans are the most concentrated dietary source; sesame, rye, broccoli, and berries provide meaningful secondary amounts. Fiber content in whole-food lignan sources (e.g., flaxseed: ~27g fiber/100g) enhances enterohepatic recirculation of lignans, extending their systemic activity.
Reported Mechanism (Provisional)
Lignans are plant-derived compounds extensively metabolized by gut microbiota into bioactive enterolignans such as enterodiol and enterolactone. These enterolignans exert their primary effects by neutralizing free radicals through antioxidant mechanisms and modulating inflammatory pathways. As phytoestrogens, they interact with estrogen receptors to support hormonal balance and contribute to cardiovascular health by improving lipid profiles and arterial elasticity.
Clinical Narrative (Provisional)
Clinical research, including studies on sesame lignans, consistently demonstrates their cholesterol-lowering and antihypertensive effects, contributing to improved cardiovascular health. Studies also highlight enhanced systemic antioxidant capacity, evidenced by increased levels of glutathione and superoxide dismutase (SOD). Furthermore, lignans' hormonal modulation and phytoestrogenic effects have been validated, particularly in postmenopausal women, suggesting benefits for hormonal balance.
Also Known As
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