Phytoestrogens Guide, Meaning , Facts, Information and Description
Phytoestrogens are trace substances in our food which mimic and supplement the action of the body's own hormone, estrogen (sometimes spelt as 'oestrogen'). They are a comparatively recent discovery, and researchers are still exploring the nutritional role of these substances in such diverse metabolic functions as the regulation of cholestorol, and the maintaining of proper bone density post menopause.Phytoestrogens mainly fall into the class of flavanoids: the coumestans, prenylated flavonoids and isoflavones are three of the most potent in this class. Lignan has also been identified as a phytoestrogen, although it is not a flavanoid. The estrogenic properties of these biochemicals have been shown to be due to their structural similarities to the hormone, oestradiol.
Research has been done by the British Food Standards Agency which cautions that there is a need for standardised analysis and measurement tools in this field. It also suggests that research in recent years is more reliable than that of previous years.
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