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Old ancient soybean,Soy and the dissemination,cultivation.
Contents:
- Basic Botanical Data of Soy.Glycine max.
- Cultivation and plant history of Soy:Soy and the dissemination.
- Nutrients and Phytochemicals of Soy.
- Soybeans are used in a variety of ways in Asia.
- Soy Active Compounds.
- History of Soy.
- Health and Functionality of Soy:1).Soy and Reduction in Cholesterol.
- Health and Functionality of Soy:2).Soy Improves Digestion.
- Health and Functionality of Soy:3).Soy Treat heart disease.
- Health and Functionality of Soy:4).Soy reduce certain cancers.
- Health and Functionality of Soy:5).Soy is also being studied for possible effectiveness in numerous other conditions.
- Health and Functionality of Soy:6).Soy as Bowman-Birk inhibitor(BBI).
- Health and Functionality of Soy:7).Phytoestrogens and Soy Extract.
- Health and Functionality of Soy:8).Dietary Soybean:A Source of Functional Food Ingredients, Soy proteins,Soy carbohydrates,Soy lipids and phytosterols,Soy phytoestrogens,Soy saponins,Soy Isoflavones.
- Soy Components:8.1).Soy proteins.
- Soy Components:8.2).Soy carbohydrates.
- Soy Components:8.3).Soy lipids and phytosterols.
- Soy Components:8.4).Soy phytoestrogens.
- Soy Components:8.5).What are phytoestrogens?.
- Soy Components:8.6).Soy saponins.
- Soy Components:8.7).Soy Isoflavones.
- Research Update and latest findings of Soy Isoflavones.Daidzein.Daidzin.Genistein.Genistin related.
Health and Functionality of Soy:7).Phytoestrogens and Soy Extract.
The term phytoestrogens describes plant (or fungal) compounds that can elicit an oestrogenic response in mammals, at least under certain circumstances.
Phytoestrogens are a group of phytochemicals currently under intense investigation for their role in the management of menopausal symptoms and in the prevention of chronic diseases such as cancer and cardiovascular disease.
Also, the role of soy beans as a staple food and a major source of phytoestrogens is reviewed and the major soy constituents are identified.
Phytoestrogens at a glance
Isoflavones:
occur principally in legumes
soybeans and soy-based foods are the main dietary sources
occur primarily as glycosides in plants
the main isoflavone glycosides in soy are genistin and daidzin
the corresponding aglycones are genistein and daidzein
Lignans:
primarily found in whole grains and seeds
weaker phytoestrogens than the isoflavones
linseed is the richest source
main lignans in mammals are enterolactone and enterodiol
Coumestans:
occur chiefly in leguminous plants
includes coumestrol, which is the most potent of phytoestrogens
high levels in clovers, alfalfa and soy-bean sprouts
Sources of phytoestrogens:
Many plants, including major food species, contain phytoestrogens.
Lignans occur in particularly high levels in linseed, but are also found in whole cereals, cereal bran, dried seaweeds, vegetables, legumes, and fruits.
Plant lignans are not themselves oestrogenic, but rather serve as precursors to the so-called mammalian lignans, which form in mammals as a result of bacterial metabolism of the plant lignans in the gut.
The main mammalian lignans are enterolactone and enterodiol; these form from the plant lignan precursors matairesinol and secoisolariciresinol.
As is characteristic of phytoestrogens, both enterolactone and enterodiol can have either oestrogenic or anti-oestrogenic activity under different circumstances, as outlined below.
The coumestans occur chiefly in leguminous plants. The main phytoestrogen in this group is coumestrol, which is also regarded as the most potent of phytoestrogenic compounds.
Reference:
1.Old ancient soybean,Soy and the dissemination,cultivation.
last edit date:4th,Mar.2010.
- Name:Soy Bean Extract
- Serie No:R061.
- Specifications:10:1 TLC,Soy Isoflavones 40%,Genistein98%,Daidzein98%HPLC.
- INCI Name:GLYCINE SOJA EXTRACT
- EINECS/ELINCS No.:N/A
- CAS:84776-91-0
- Chem/IUPAC Name:Glycine Soja Extract is an extract of the beans of the soybean,Glycine soja,Leguminosae
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