origin: weed in field ,usually growing in wilderness,road side,and residential area.no cultivating.
chemical ingredient : the whole plant contains(solamargine,C45H73O15N) (solasonine,C45H73O16N)(solavilline,C50H81O20N)(solasodamine,C51H82O20N),saponin,sapogenin are diosgenin and tigogenin,more VA and VC.seeds contain fatty oil about 2%.
Package type: Vacuum plastic bags,2.5kg/bags,10kg/carton,20kg/carton,
25kg/carton. (info at snowlotusbiotech dot com)