Pharmaceutical manufacturers of Quercetin

Sichuan Xieli Pharmaceutical Co., Ltd. was founded in 1980 with the development concept of "Xieli Tongchuang Health Cause". It mainly engages in the cultivation of ecological medicinal materials, the extraction of natural active ingredients from animals and plants, and the synthesis and research of their derivatives. It is based on the production of high value-added export products. There are mainly dozens of varieties, including rutin based cardiovascular and cerebrovascular drugs, plant flavonoids based capillary drugs, plant derived anti-tumor drugs, animal and plant extracts, and pharmaceutical intermediates.

PVP Sociedade Anônima is a Brazilian corporation established in 1962 as a producer of intermediates and components for the Cosmetics and Health Sectors. The company's operations focus on extracting botanical resources from the northern region of Brazil, such as Rutin, Quercetin, and Rhamnose from Dimorphandra mollis, and Carnauba Wax from Copernicia cerifera. Since its inception, PVP has been committed to obtaining pharmaceutical active ingredients from plant species in the North and Northeast of Brazil, including the Amazon rainforest, which is home to a diverse range of plant life.