Overview
Vitexin is a naturally occurring flavonoid glycoside found in plants such as the Vitex genus (e.g., Vitex negundo), passionflower, and bamboo leaves. It belongs to the flavone subclass of flavonoids, characterized by a C-glycosidic linkage at the 8-position of apigenin. As a bioactive compound, vitexin has attracted research interest due to its potential therapeutic properties, including antioxidant, anti-inflammatory, and cardioprotective effects. In traditional medicine systems, plants containing vitexin have been used for centuries to treat various ailments.
Physical and Chemical Properties
Vitexin appears as a yellow to light brown crystalline powder with a melting point range of 250-260°C. Its molecular structure features a glucopyranosyl unit attached to the apigenin backbone, contributing to its moderate solubility in polar organic solvents like methanol and ethanol. The compound exhibits strong UV absorption at 270 and 330 nm, which is characteristic of flavonoids. Its stability is influenced by pH and temperature, with degradation occurring under prolonged exposure to high temperatures or extreme pH conditions.
Main Applications
In the pharmaceutical industry, vitexin is studied for potential applications in cardiovascular health, neuroprotection, and diabetes management. Its antioxidant properties make it valuable in formulations targeting oxidative stress-related conditions. The nutraceutical sector incorporates vitexin into dietary supplements, often standardized to specific content from plant extracts. Cosmetic applications leverage its antioxidant effects in anti-aging and skin-protective formulations. Research continues to explore its potential in various therapeutic areas.
Safety and Storage
Vitexin is generally considered safe at typical usage levels, though comprehensive toxicological data is still being developed. Standard laboratory precautions should be followed when handling the pure compound, including use of personal protective equipment. For storage, maintain in tightly sealed containers at room temperature, protected from light and moisture. Under proper conditions, the compound remains stable for at least two years. Bulk quantities should be stored in a cool, dry environment with appropriate fire safety measures.
B2B Procurement Guide
When sourcing vitexin commercially, prioritize suppliers who provide comprehensive documentation including Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), and traceability information. The COA should specify purity (typically ≥98% by HPLC) and confirm absence of heavy metals and solvents. Consider the source material and extraction method, as these can affect the compound's profile and performance. For pharmaceutical applications, ensure the supplier meets relevant GMP standards. Pricing varies significantly based on purity, quantity, and supplier reputation, with bulk purchases often commanding lower unit costs.
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