Oenothera biennis Extract
Producing area：Growing in the grassland, roadside, riverbank and stony ground. Origin from North America. It is introduced as flowers to be planted in Northeast of China.
chemical ingredient ：seeds: containing oil with the conten of 22.57%~30.10%. The oil sells a little astringent due to the gallotannic acid in the seeds hull.
Package type: Vacuum plastic bags,2.5kg/bags,10kg/carton,20kg/carton,
25kg/carton.