Quercetin 98%

Quercetin is widely found in the stems, skins, flowers, leaves, buds, seeds and fruits of many plants.Quercetin as a widely exists in the nature of natural flavonoids, gain in-depth research, at present has found that it has multiple biological activity, such as antioxidant, anti-viral, anti-inflammatory effects, in the cell and animal experiments can be used to treat liver, heart, spleen, lung, kidney, bone disease, nervous system diseases, etc.