chemical component:the whole plant contains vitamineC(0.09~0.15mg %), carotene 0.031~0.004 mg%, Vutin 0.04~1.3mg %, and Orientin,. It also contains Calcium bioxalate and Oxalic acid etc. Package type: Vacuum plastic bags,2.5kg/bags,10kg/carton,20kg/carton, 25kg/carton.