Pueraria lobata (Willd.) Ohwi is formally listed in the food and drug items by Chinese Ministry of Health. Pueraria lobata (Willd.) Ohwi contains many kinds of phenol components and nutrients such as isoflavones, starch, dietary fiber, protein and minerals, which implies its great value in developing nutritional supplement. However, up to date, the comprehensive application of Pueraria is still at the early stage, only a few components in Pueraria are extracted and the rest is discarded as waste. If the sid...