نتایج جستجو برای: phytoestrogen
تعداد نتایج: 885 فیلتر نتایج به سال:
In order to select microorganisms capable of transforming the potent phytoestrogen 8-prenylnaringenin, preliminary screening tests on 30 fungal cultures were performed. No reports concerning successful biotransformation of 8-prenylnaringenin by this class of organisms have been known so far. Fusarium equiseti converted 8-prenylnaringenin into
Two new phase I metabolites of phytoestrogen kobophenol A (1), called koboquinone A (2) and B (3), have been isolated from the feces of rats orally administered 1. Their structures were determined by spectroscopic methods. 2 also showed activity of stimulating the proliferation of cultured osteoblasts.
2 Background: Isoflavones and lignans (phytoestrogens) are dietary components with potential 3 anti-carcinogenic effects. Although the intake of isoflavones and lignans may affect breast 4 cancer treatment and prognosis – and associations may differ by menopausal status post5 diagnosis intake data are limited. 6 Objective: We aimed to describe post-diagnosis isoflavone and lignan intake in newl...
Laboratory animal diets for studies to determine the endocrine-disrupting potential of chemicals are under scrutiny because they can affect both assay control values and assay sensitivity. Although phytoestrogen content is important, we have previously shown that a phytoestrogen-rich diet and a phytoestrogen-free diet were equally uterotrophic to rats and advanced vaginal opening (VO) when comp...
Cross-sectional studies investigating the relationship between phytoestrogens in diet, urine, or blood with plasma estradiol and sex hormone binding globulin (SHBG) have been inconclusive. We investigated the relationship among phytoestrogen exposure, polymorphisms in the ESR1, COMT, CYP19, and SHBG genes, and plasma estradiol and SHBG levels in 125 free-living postmenopausal women taking part ...
Introduction: Previous studies have shown that seizure can induce cognitive impairment. On the other hand, soy phytoestrogens, which are mainly found in soybean (Glycine max (L.) Merr.), have beneficial effects on the nervous system. However, little is known about their probable effects on seizure. The present study aimed to examine the probable effects of soy extract, containing the phytoestro...
This paper compiles animal and human data on the biologic effects and exposure levels of phytoestrogens in order to identify areas of research in which direct species comparisons can be made. In vitro and in vivo assays of phytoestrogen action and potency are reviewed and compared to actions, dose-response relationships, and estimates of exposure in human subjects. Binding studies show that the...
OBJECTIVE To evaluate in a 12-month, prospective, randomized, double-blind, placebo-controlled study whether pure administration of the phytoestrogen genistein (54 mg/d) might reduce the number and severity of hot flushes in postmenopausal women with no adverse effect on the endometrium. DESIGN A total of 389 participants met the main study criteria and were randomly assigned to receive the p...
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