Overview
R-Equol is a bioactive metabolite derived from the soy isoflavone daidzein through the action of specific gut microbiota. It is one of the two enantiomers of equol, with the R-form exhibiting stronger estrogenic activity. Unlike its S-counterpart, R-Equol is not commonly produced in all humans, making it a subject of interest for supplementation. Research has highlighted its potential in addressing hormone-related conditions, particularly in postmenopausal women. Its ability to bind to estrogen receptors gives it unique therapeutic properties, though its production in the gut varies widely among individuals due to differences in microbiota composition.
Physical and Chemical Properties
R-Equol is a chiral compound with a molecular weight of 242.27 g/mol. It appears as a white to off-white crystalline powder and is stable under normal storage conditions. The compound is soluble in organic solvents like ethanol and dimethyl sulfoxide (DMSO) but has limited solubility in water. Its melting point ranges between 185-190°C, and it exhibits enantiomeric purity, which is critical for its biological activity. The R-form is more potent in binding to estrogen receptors compared to the S-form, making it a preferred choice for research and therapeutic applications.
Main Applications
R-Equol is primarily used in dietary supplements aimed at improving bone health, alleviating menopausal symptoms, and supporting cardiovascular health. Its estrogen-like effects make it a natural alternative to hormone replacement therapy (HRT) for some individuals. In pharmaceuticals, R-Equol is investigated for its potential in treating conditions like osteoporosis, breast cancer, and prostate cancer. Its anti-inflammatory and antioxidant properties also contribute to its broader applications in nutraceuticals and functional foods.
Safety and Storage
R-Equol is generally considered safe when used in appropriate doses, but it is essential to follow safety guidelines to avoid potential side effects. Proper storage in a cool, dry place away from light and moisture ensures its stability and longevity. Handling should comply with standard laboratory practices, including the use of personal protective equipment (PPE) to prevent inhalation or skin contact. Safety data sheets (SDS) provided by suppliers should be reviewed for specific handling and disposal instructions.
B2B Procurement Guide
When procuring R-Equol, B2B buyers should prioritize suppliers who provide certificates of analysis (CoA) to verify purity and enantiomeric composition. Pricing varies based on purity levels, with pharmaceutical-grade material commanding higher prices. It is advisable to establish long-term relationships with reputable suppliers to ensure consistent quality and availability. Buyers should also stay informed about regulatory requirements in their target markets, as compliance with standards like FDA or EU regulations is crucial for commercial use.
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