Quercetin 3-O-β-D-xylopyranoside

Updated: 2026-07-23

Overview

Quercetin 3-O-β-D-xylopyranoside is a flavonoid glycoside derived from quercetin, a well-known antioxidant compound. It is commonly found in various plants, including onions, apples, and tea leaves. This compound is valued for its potential health benefits, such as reducing oxidative stress and inflammation. In the B2B sector, Quercetin 3-O-β-D-xylopyranoside is primarily used in the pharmaceutical and nutraceutical industries. Its applications extend to cosmetics, where it is used for its skin-protective properties. The compound is typically extracted from plant sources or synthesized in laboratories.

Physical and Chemical Properties

Quercetin 3-O-β-D-xylopyranoside is a yellow to pale brown powder with a molecular weight of 434.35 g/mol. It is soluble in water and polar organic solvents, making it versatile for various formulations. The compound exhibits strong antioxidant activity due to its flavonoid structure. Its stability depends on storage conditions, requiring protection from light and moisture to prevent degradation. The compound's solubility and stability are critical factors for its use in liquid or solid formulations in pharmaceuticals and cosmetics.

Main Applications

The primary applications of Quercetin 3-O-β-D-xylopyranoside are in the pharmaceutical and nutraceutical industries. It is used in dietary supplements for its antioxidant and anti-inflammatory effects, which may support cardiovascular and immune health. In cosmetics, the compound is incorporated into skincare products for its ability to protect against UV-induced damage and reduce signs of aging. Its natural origin and bioactive properties make it a preferred ingredient in clean-label and organic products.

Safety and Storage

Quercetin 3-O-β-D-xylopyranoside is generally considered safe for use in pharmaceuticals and cosmetics. However, standard laboratory precautions should be followed during handling to avoid inhalation or skin contact. Proper storage is essential to maintain the compound's stability. It should be kept in a cool, dry place, away from direct light and moisture. Bulk quantities are typically stored in airtight containers with desiccants to prolong shelf life.

B2B Procurement Guide

When procuring Quercetin 3-O-β-D-xylopyranoside, buyers should prioritize suppliers who provide detailed Certificates of Analysis (COA) to verify purity and composition. The reference price ranges from approximately $100 to $500 per gram, depending on purity and supplier reliability. Bulk purchases may offer cost advantages, but it is essential to assess storage capabilities to prevent degradation. Buyers should also consider the supplier's reputation, compliance with regulatory standards, and ability to provide consistent quality.