... , dysentery, coughs, thirst, spermatorrhea, metrorrhagia a Common Yam Powder ExtractCommon yam extract is effective in treating bladder weakness, diarrhea, dysentery, coughs ... additive for cosmetic products.Common Yam Extract Specifications: 1) Extracted part: root2) Appearance: grayish powder 3) Particle size: passed 80 ... layer aluminum foil bagOuter packing: Fiberboard drum Common Yam Powder Extract