The omega-3s and lignans
in flax seeds prevent hardening of the arteries and keep plaque from being deposited in the blood vessels.
Some studies have found lignans
may lower risk of breast cancer in postmenopausal women.
But what if you don't have the right gut bacteria to metabolize these lignans
? That's what a study conducted by Aarhus University and The Danish Cancer Society has begun to question.
The transformation of isoflavones, lignans
, and ellagitannins by bacteria is an essential step because
Moreover, many secondary metabolites belonging to different classes such as flavonoids, lignans
, phenylpropanoids and terpenoids upon which the previously mentioned activities could rely, have been isolated from this genus.
Li, Isolation and Characterization of Lignans
, Isolariciresinol and Pinoresinol in Flax Seed Meal.
Lignin and Lignans
as Renewable Raw Materials: Chemistry, Technology and Applications
Flaxseed (Linum usitatissum) is recognized as a major source of lignans
(52.7 mg/100 g seed flour) on excellant way diglycosidic (Claupach and collaborators, 2002, Begum and collaborators, 2003).
The blood--pressure lowering effect of flaxseed might be due to lignans
, which are present in high concentrations in the non-oil portion of the seed.
There are three main classes of phytoestrogens: isoflavonoids, coumestans and lignans
. Coumestans are found in high concentrations in lima beans, clover, alfalfa sprouts and split peas.
The first part of the volume is organized by chemical class, covering monoterpenes, sesquiterpenes, triterpenes & steroids, essential oils, phenolic compounds, phenylpropanoids, coumarins, flavonoids, quinones & benzophenones, xanthones & anthranoids, lignans
& stilbenes, tannins, alkaloids, and ceramides & cerebrosides.
Modern pharmacological research has demonstrated that most of the biological actions and the pharmacological effects of Wuweizi can be attributed to its dibenzocyclooctadienetype lignans
, which have been elucidated to play an important role in antioxidant, anti-inflammatory, anxiolytic effect, protective hepatic injury, acetylcholinesterase inhibitory effect, and stimulation of the carbohydrate-phosphorus metabolism, and so forth [8,11-14].