English Name : Kudzu Root Extract/ Pueraria Extract Powder Part Used : Root Plant origin: Pueraria Lobata(Willd.) Aspect ingredient: Isoflavones / Puerarin CAS No.: 3681-99-0 (Puerarin) Specification: Puerarin 30%, 60%, 80%, 98% by HPLC ; Isoflavones 40%-90% UV Appearance: Yellow brown Fine Powder(Pueraria Isoflavones), White Crystal Powder (Puerarin) Test Method: HPLC /UV