HelloWe are looking for a Yam Extract use in health supplments.First of all, I would like to introduce our company briefly. We are one of a leading company as a role of importing and distributor of the food raw materials from overseas over 15 years.We especially deal with dietary fiber, sweetners, fruit juices concentrate, fruits & herb extract powders, dairy products,food additives etc. and offer those to variety of health food industries in Korea.I want to get some information of Yam Extract like below:1. Diosgenin-How many % of Diosgenin contains in?2. Powder type product- Do you have powder type products? We are looking for a Yam extract powder. We'll use it to make beverage. 3. scientific name- please let me know the scientific name exactly.4. COO-please send us COO documents about Wild Yam. 5. HS Code-please send us the HS code of Wild Yam. Hope to hearing from you soon.Thanks Show More