Product Name: Polygonum cuspidatum P.E.
BOTANICAL SOURCE：Giant knotweed
APPEARANCE：Yellow brown power
SPECIFICATION：Resveratrol 20% 50% 98%
TEST METHODS：HPLC
LEAD TIME： Within A Week
PACKING： 25KG/Drum. Also can be according to customer’s demands.
SHELF LIFE： 24 Months