Quassinoids from twigs of Harrisonia Perforata (Blanco) Merr and their anti-Parkinson’s disease effect

Min Cai^a,c,d,‖, Xiao-Lin Bai^b,d,‖, Hao-Jing Zang^a,c,d, Xiao-Han Tang^a,c,d, Ying Yan^a,e, Jia-Jia Wan^a,d, Min-You Peng^a,e, Hong Liang^a,d, Lin Liu^a,d, Feng Guo^a,d, Pei-Ji Zhao ^c, Xun Liao ^b *, Ying-Tong Di ^a *, Xiao-Jiang Hao ^a,e

^a State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China

^b Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China

^c School of Life Sciences, Yunnan University, Kunming 650091, China

^d University of Chinese Academy of Sciences, Beijing 100049, China

^e State Key Laboratory of Functions and Applications of Medicinal Plants & College of Pharmacy, Guizhou