Appearance: Yellow crystalline powder Plant Source: Cortex Phellodendri Chinensis, Function : antibacteria and anti-inflammatory , anti-hypertension . The treatment of intestinal infection such as bacterial dysentery and gastroenteritis and enhance body immunity . Application : food additives , fishery , animal husbandry , organic pesticide and pharmaceuticals Storage: in a cool dry place Packing: 25kg/drum, double-layer plastic bags inside and fiber drum outside