1. State Key Laboratory of Natural Medicines School of Traditional Chinese Medicines China Pharmaceutical University Nanjing 211198 China
2. Sino‐Jan Joint Lab of Natural Health Products Research School of Traditional Chinese Medicines China Pharmaceutical University Nanjing 211198 China
3. Department of Environmental Health University of Fukui School of Medical Science 23‐3 Matsuoka Shimoaizuki Eiheiji Fukui 910–1193 Japan