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What is Isoflavone? Soy foods differ somewhat in their concentration of isoflavones, but all of the traditional soy foods, such as tofu, soy milk, tempeh and miso, are rich sources of isoflavones providing about 30 to 40 milligrams per serving. Conjugation of isoflavones to glucuronic acid, a reaction catalyzed by one of the UDP-glucuronyltransferase isozymes, occurs on first-pass. Isoflavone glucuronide concentrations in portal venous blood of rats are high, and older studies of sheep showed that intestinal epithelia had a higher capacity for glucuronidation of equol than hepatocytes. www.quonghop.com /products/isoflavone.htm   (2147 words)

Soy Isoflavones, Linus Pauling Institute's Micronutrient Information Center The biological effects of soy isoflavones are strongly influenced by their metabolism, which is dependent on the activity of bacteria that colonize the human intestine (2). Isoflavones are also known to act as antioxidants in the test tube (10), but the extent to which they contribute to the antioxidant status of humans is not yet clear. Isoflavones are found in small amounts in a number of legumes, grains and vegetables, but soybeans are by far the most concentrated source of isoflavones in the human diet (43, 82). lpi.oregonstate.edu /infocenter/phytochemicals/soyiso   (3722 words)

Isoflavones : by Ray Sahelian, M.D., isoflavone and menopause soy Isoflavones are proposed to have health benefits in a variety of human conditions, including coronary heart disease, menopause, osteoporosis, endocrine-responsive cancers, and cyclic mastalgia (monthly breast pain). Isoflavones are a subgroup of phytoestrogens which we hypothesized might be a simple and effective means of therapy as they act as a weak anti-oestrogen in pre-menopausal women and have no side-effects. Isoflavones such as genistein and daidzein are structurally similar to endogenous estrogens, and demonstrate both estrogenic and weak anti-estrogenic activities; these activities may underlie the impaired fertility and reproductive tract disorders reported in animals exposed to high doses of isoflavones. www.raysahelian.com /isoflavones.html   (4520 words)

Soy Alert—Soy Isoflavones - Panacea or Poison? In fact it was the toxicity of dietary levels of isoflavones to animals that first raised the awareness of the scientific community to the fact that soy isoflavones were endocrine disrupters (11). It is concluded that soy isoflavones can be the cause of thyroid disorders in soy consumers and, hence, there is every indication that cases of goitre and hypothyroidism in infants were caused by the soy isoflavones. Genistin (an isoflavone glucoside) and it aglucone, genistein from soybeans. www.westonaprice.org /soy/isoflavones.html   (2947 words)

Dangers of Dietary Isoflavones At Levels Above Those Found In Traditional Diets Isoflavone content is estimated be about 3 mg per day based on an average amount of 30 mg total isoflavones per 100 grams of tofu. Isoflavone content for roasted pickled soybeans is not available but raw Japanese soybeans contain 119 mg total isoflavones per 100 grams, giving a rough total of 35 mg isoflavones per day. The isoflavones diadzein, genistein, biochanin A and formononetin were found to inhibit enzymes that produce steroid hormones critical to reproductive and neurological function, particularly hormones that produce testosterone. www.westonaprice.org /soy/dangersisoflavones.html   (9372 words)

Soy Isoflavone   (Site not responding. Last check: 2007-11-01) Isoflavones are now being studied in laboratories throughout the world and during just the past three years alone, more than 1,000 medical and scientific papers have been published on isoflavones. In various experimental models, isoflavones have exhibited properties that suggest they may help to lower the risk of cancer, heart disease, osteoporosis, and for the relief of menopause symptoms such as hot flashes. Isoflavones have been shown in animal models to slow the growth of and to delay the development of pre-cancerous prostate lesions and prostate tumors. www.herbs-vitamins.com /soy_isoflavone.htm   (255 words)

Genistein : by Ray Sahelian, M.D., Health Benefits of Genistein In the present study, we compare the effect of soy isoflavones in the form of aglycones (genistein, daidzein and glycitein) and glucosides (genistin, daidzin and glycitin) on the behavior of highly invasive breast cancer cells. Levels of isoflavones are frequently assumed to be constant within categories of soy foods, and intakes are estimated rather than being directly analyzed. The objective of the study was to determine the effect on bone density of a red clover-derived isoflavone supplement that provided a daily dose of 26 mg biochanin A, 16 mg formononetin, 1 mg genistein, and 0.5 mg daidzein for 1 y. www.raysahelian.com /genistein.html   (3497 words)

Soy Isoflavone as Estrogen Replacement Daily soy isoflavone use significantly reduces menopausal symptoms in postmenopausal women and may also help prevent cardiovascular disease, according to a report published in the March issue of Obstetrics and Gynecology. Furthermore, because isoflavones have estrogenic and anti-estrogenic effects depending on the target tissue, their use may not predispose to endometrial cancer as estrogen replacement therapy does. Transvaginal sonography revealed that isoflavone therapy was not associated with an increase in endometrial thickness. www.annieappleseedproject.org /soyisasesrep.html   (201 words)

Isoflavone Info For this reason many isoflavone supplements are pre-digested or fermented with lactic acid bacteria before combination with their carrier compounds to ensure optimal bio-availability. Isoflavones may be beneficial to menopausal women: research has shown that a daily uptake of 50mg can reduce hot flushes by up to 40%, and there is evidence that isoflavones can prevent a loss of bone density. In addition, isoflavones have been shown to be useful in minimising PMS symptoms which can result from hormone imbalances or the impact of poor diet and xeno-oestrogens especially in younger women. www.natural-woman.com /isoflavone.htm   (639 words)

Soy Isoflavones FAQ It is possible that Soy Isoflavone Cream increases natural oestrogen levels because many plants such a soya contain certain oestrogen-like substances, but exact determination of oestrogen levels have yet to be determined. Both formulations contain isoflavone phytoestrogens derived from soy and Red Clover isolates and Vitamin E. The tablets also contain Vitamins B1, B2, B6 and B12, Folic Acid, Dong Quai, Kava Kava, Liquorice, trace minerals (including calcium, Magnesium, Zinc, Copper, Iron, Phosphorus, Potassium and Iodine), in a base of dietary and insoluble fibre. Soy Isoflavone Cream is not to be used for birth control unless directed by a medical practitioner. www.natural-woman.com /estrofemme.htm   (827 words)

USDA-Iowa State University Database on the Isoflavone Content of Foods - 1999   (Site not responding. Last check: 2007-11-01) USDA-Iowa State University Database on the Isoflavone Content of Foods - 1999 This database was created through a collaborative effort between the USDA and Iowa State University and was partially funded with grants from the U.S. Army. USDA-Iowa State University Database on the Isoflavone Content of Foods, Release 1.3 - 2002. www.nal.usda.gov /fnic/foodcomp/Data/isoflav/isoflav.html   (133 words)

Isoflavones: New Frontier In Nutrition For those interested in the full health benefits of soy isoflavones, newer naturally concentrated products are available with much better flavor than retail soy products. Isoflavone articles from The Soy Connection newsletter for registered dietitians, selected physicians and family and consumer science professionals... For those interested in the full health benefits of soy isoflavones, we recommend Revival Soy because just 1 bar or shake contains the amount of isoflavones found in 6 cups of a typical soymilk. soyfoods.com /nutrition/isoflavone.html   (678 words)

Isoflavone Concentration in Soyfoods Isoflavones are found in soyfoods both with and without a sugar molecule attached. Soyfoods differ somewhat in their concentration of isoflavones, but all of the traditional soyfoods, such as tofu, soy milk, tempeh and miso, are rich sources of isoflavones providing about 30 to 40 milligrams per serving. The isoflavone content varies widely among soybean varieties and from product to product based on manufacturing process and source of soy protein. www.soyfoods.com /nutrition/isoflavoneconcentration.html   (507 words)

Jarrow Isoflavone - Isoflavone Supplement The isoflavone ratio of genistein: daidzein: glycitein found in IsoFlavone 50 is similar to that found in tofu. Each capsule of IsoFlavone 50 provides the isoflavone equivalent of a serving of tofu or a cup of soy milk. IsoFlavone 50 is best utilized to support bone structure when used in conjunction with bioavailable mineral supplements such as Jarrow Formulas’ Bone-Up, and BioSil™, containing biologically active silicon. www.bodybuilding-supplements-for-you.com /jarrow/isoflavone.htm   (352 words)

Sell:soy isoflavone   (Site not responding. Last check: 2007-11-01) Description: Soybeans, used as a food for thousands of years in Asia, may turn out to be the ultimate women's health "supplement" of the 21st century. Soy isoflavones are powerful plant substances chemically similar to the female hormone estrogen. Soy isoflavones is regarded as a "natural" dietary supplement ingredient to replenish the aging body's declining estrogen levels and thus relieve menopausal symptoms, such as hot flashes, as well as decrease the risk of heart disease and osteoporosis, without promoting breast cancer. www.thinkerchem.com /isoflavone.htm   (81 words)

soy isoflavones   (Site not responding. Last check: 2007-11-01) While soy isoflavones are now available in supplement form, it remains to be determined whether these pills can provide the same health benefits as soy isoflavones consumed as part of the diet. The isoflavones in soy are believed to be responsible for these effects. A woman's decision to take soy isoflavone supplements for any condition must be an individualized one made in consultation with a doctor familiar with her medical background. www.wholehealthmd.com /refshelf/substances_view/0,1525,10057,00.html   (1322 words)

Inheritance of Seed Isoflavone Contents in Soybean Cultivars Shinpaldalkong2 and Hwangeumkong Therefore, the content and quality of isoflavones in soybean is a key to their biological effect. The isoflavone content of each sample was analyzed by HPLC analysis as described by Wang and Murphy (1994). Specific isoflavone profile may confer different results depending on the target population, so reducing unwanted isoflavones while enhancing beneficial isoflavones could be a key breeding target. www.cropscience.org.au /icsc2004/poster/3/4/5/1262_kujh.htm   (861 words)

Effects of Soy Isoflavone Supplementation   (Site not responding. Last check: 2007-11-01) OBJECTIVE: The aim of this study was to determine the effects of soy isoflavones with weak estrogen-like activities both on bone metabolism and on serum lipids in perimenopausal women. The isoflavone group (n = 12) received daily capsules of soy isoflavone extract (61.8 mg of isoflavones) and the placebo group (n = 11) received daily placebo capsules for four weeks. RESULTS: As compared to the placebo group, urinary isoflavone, primarily daidzein, excretion was increased at weeks 2 and 4 in the isoflavone group. www.herbalfields.com /c133.html   (262 words)

FUJICCO ISOFLAVONE Presenting from Japan, ISOFLAVONE, the key to longevity and health, long kept hidden in traditional Japanese delicatessen. FUJICCO is a top manufacturer of Japanese traditional delicatessen foods based mainly on seaweed and soy. Isoflavone extracted in its natural form is now yours to enjoy thanks to our 40 years of basic research on soy and our proud quality control technology. www.fujicco.co.jp /english   (60 words)

A Cooperative Interaction between Soy Protein and Its Isoflavone-Enriched Fraction Lowers Hepatic Lipids in Male Obese ...   (Site not responding. Last check: 2007-11-01) Liver and plasma lipid concentrations in male lean and obese Zucker rats fed casein (C)-, low isoflavone soy protein (LI)-, or high isoflavone soy protein (HI)-based diets for 70 d (Study 1). Serotonin (5HT) release from platelets isolated from male Sprague-Dawley rats fed casein (C)-, low isoflavone soy protein (LI)-, or high isoflavone soy protein (HI)-based diets for 42 d (Study 2). soy isoflavone genistein is metabolized in rat liver by microsomal cytochrome www.nutrition.org /cgi/content/full/130/9/2333   (6558 words)

Plasma isoflavone levels versus self-reported soy isoflavone levels in Asian-American women in Los Angeles County -- Wu ... Age- and race-adjusted geometric mean plasma levels of isoflavones (nmol/l) by intake of soy isoflavones in breast cancer cases and control subjects separately and all subjects combined Twaddle,N.C., Churchwell,M.I. and Doerge,D.E. (2002) High-throughput quantification of soy isoflavones in human and rodent blood using liquid chromatography with electrospray mass spectrometry and tandem mass spectrometry detection. (2001) Validity and reproducibility of a self-administered food-frequency questionnaire to assess isoflavone intake in a Japanese population in comparison with dietary records and blood and urine isoflavones. carcin.oxfordjournals.org /cgi/content/full/25/1/77   (3016 words)

methoxy isoflavone - anabolic supplement to build muscles mass. Contains 5-methyl-7-methoxyisoflavone Methoxy Isoflavone should not be used by pregnant or lactating women. We do feel that Methoxy Isoflavone can be very beneficial to any person that is looking to put on some extra muscle mass without negative side effects. Note: Methoxy Isoflavone should not be used by pregnant or lactating women. www.brainsupplements.com /methoxy-fit.htm   (590 words)

Soy isoflavones improve plasma lipids in normocholesterolemic and mildly hypercholesterolemic postmenopausal women -- ... Conclusions: Consumption of isoflavones as a constituent of A soy protein isolate rich in genistein and daidzein and its effects on plasma isoflavone concentrations, platelet aggregation, blood lipids and fatty acid composition of plasma phospholipid in normal men. Isoflavones from red clover improve systemic arterial compliance but not plasma lipids in menopausal women. www.ajcn.org /cgi/content/full/73/2/225   (4822 words)

Soy Isoflavone Extra Strength - Isoflavones are naturally occurring plant compounds from soybeans that have been promoted in the media lately. First, when estrogen levels are high, phytoestrogens can block the more potent forms of estrogen produced by the body and may help prevent hormone-driven diseases, such as breast cancer. Soy isoflavones may also have antioxidant and anticoagulant effects. www.good4all.net /now3287.htm   (298 words)

Soy Isoflavones--Benefits and Risks from Nature's Selective Estrogen Receptor Modulators (SERMs) -- Setchell 20 ... are the major source of isoflavones in the human diet [4,31]. of the sugar moiety, dietary isoflavones are not bioavailable may be the effects of isoflavones on bone [91–95]. www.jacn.org /cgi/content/full/20/suppl_5/354S   (6098 words)

15E-10 Effect of germination on isoflavone contents in soybean   (Site not responding. Last check: 2007-11-01) Isoflavone is one of the most important compounds found in soybean due to their effects as anticarcinogents, antioxidants and cholesterol-lowering agents. The isoflavones determined by extraction with 80% ethanol and HPLC were diadzin, daidzein, genistin, genistein and total isoflavone. Among the isoflavones, isoflavone aglycones of genistein and daidzein were most significantly increased by 200-300% while glycosides of genistein and daidzein increased relatively little. ift.confex.com /ift/2002/techprogram/paper_12962.htm   (303 words)

Soy isoflavone You need 100-160 mg of soy isoflavones per day. Soy isoflavone is regarded as a natural dietary supplement ingredient to replenish the aging body's declining estrogen levels and thus relieve menopausal symptoms, such... Vasomotor symptom relief by soy isoflavone extract tablets in postmenopausal... www.moredetailsabout.com /Soy/Soy-isoflavone.htm   (311 words)

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