Definition of "lignan" [lignan]

• Any of a class of phytoestrogens characterized by the presence of a pair of propylbenzene groupings (noun)

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• "Where it comes from: Sesamin is fibrous matter known as a lignan, which is"
• "Isoflavone phytoestrogens such as genistein from soy and certain lignan phytoestrogens may protect against the possible carcinogenic actions of estrogen by:"
• "In a separate study, 22 post-menopausal Danish women ate a low-fat muffin, either with or without flax seed-derived lignan, every day for six weeks."