Archive | science

Safety aspects of soyfoods and soy isoflavones in men

Apart from the beneficial health effects of soy isoflavones related to various hormone-related health conditions in both men and women, there are also some concerns regarding the safety of soyfoods and soy isoflavones. There has been some specific concern whether consumption of isoflavones might result in adverse effects on men’s fertility, such as modified testosterone […]

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Safety of Frutarom`s daidzein rich SoyLife products

To ensure the safety of Frutarom`s SoyLife products several tests were performed. No Observed Adverse Effect Level with respect to growth, behaviour, food & water intake, and organ weights and structure were reported. It is concluded that SoyLife is not mutagenic in the Salmonella typhimurium reverse mutation assay (a biological assay to assess the mutagenic […]

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Soy isoflavone supplementation enhances spatial working memory in Men

By Thorp et al, B. J. Nutr. 102(9) (2009), 1348-54 Females perform better in certain memory-related tasks than males. Sex differences in cognitive performance may be attributable to differences in circulating oestrogen acting on oestrogen beta receptors (ERbeta) which are prevalent in brain regions such as the hippocampus, frontal lobe and cortex that mediate cognitive […]

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Various doses of soy isoflavones do not modify mammographic density in postmenopausal women

By Maskarinec et al. J. Nutr. 139: 98, 1-986, 2009 High mammographic densities confer a higher risk to develop breast cancer. Several studies have indicated that dietary and hormonal factors may modify breast density. Discussion exists sometimes if soy isoflavones may protect against breast cancer as a result of their antiestrogenic activity or could be […]

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Soy isoflavone supplementation elevates erythrocyte superoxide dismutase, but not plasma ceruloplasmin in postmenopausal breast cancer survivors

By DiSilvestro RA, Goodman J., Dy E., LaValle G. Breast Cancer Research and Treatment 89 (2005): 251-255. Soy isoflavones have been given considerable attention in regard to breast cancer, both for prevention and for increasing risk. Soy isoflavone antioxidant effects may help prevent breast cancer re-occurrence, but isoflavone estrogen-like actions may increase breast cancer risk. […]

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Estrogenic activity of glycitein, a soy isoflavone

Tong T. Song, S. Hendrich and P.A. Murphy, J.Agric. Food Chem., 47,1607-1610, 1999. In most soy foods, genistein and daidzein account for about 80 – 90% of total isoflavones. In soy germ, the major isoflavones present are daidzein (45-60%) and glycitein (35-45%). In studies, the estrogenic activities of genistein and daidzein were reported to be […]

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Evaluation, in vivo on human subjects, of the anti-aging effect of SoyLife EXTRA versus placebo

Frutarom, by Dermscan Laboratoires, France, 2000. Skin aging occurs under intrinsic and extrinsic influences, such as changes in estrogen production and exposure to free radicals. During and after menopause, falling estrogen levels cause a decrease in general skin tone, wrinkles and sagging. Aging skin tissue typically stiffens and loses elasticity. SoyLife was incorporated in a […]

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