¿Qué es Quercetin 95/98% HPLC Natural Flavonoid Antioxidant? Aplicaciones, dosis, alternativas y especificaciones

Quercetin, chemically known as 3,3',4',5,7-pentahydroxyflavone, has the molecular formula C15H10O7 and CAS number 117–39–5. Quercetin es un naturally occurring flavonoid compound widely found in nature, belonging to the vitamin P group. It is extensively present in the stems, bark, flowers, leaves, buds, seeds, and fruits of many plants. Common quercetin-rich plant sources include Sophora japonica buds (Huaimi), ginkgo biloba leaves, onions, apples, green tea, and buckwheat. Quercetin appears as a yellow cristalline polvo, odorless con una slightly bitter taste. Quercetin itself contiene two molecules of bound water (dihydrate), and the content determination requires calculation basado en anhydrous quercetin. As one of the most widely distributed and most extensively studied flavonoid compounds in nature, quercetin is renowned for its potent antioxidante, anti-inflammatory, and immunomodulatory activities, with broad applications in suplemento dietéticos, alimento funcionals, pharmaceuticals, and cosmetics. Quercetin has a clear estado regulatorio and testing standards in China. GB 5009.248–2016 "National Food Safety Norma – Determination of Quercetin in Foods" specifies the method for determining quercetin content in foods. The "National Food Safety Norma – Aditivo alimentario – Quercetin" specifies the quality requirements, testing methods, and label identification for quercetin (incluyendo quercitrin). It should be noted that de acuerdo con domestic requisito regulatorios, quercetin is not yet included in the food catalog and cannot yet be used or sold as a ingrediente alimentario in China.

Quercetin extracto can be divided into the following main varieties by pureza grade, materia prima source, and application field: Series

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