Saponins isolated from Radix polygalae extent lifespan by modulating complement C3 and gut microbiota

Jianming Wu, Anguo Wu, Xiaogang Zhou, Imran Khan, Rui Long Zhang, Hang Hong Lo, Qu Li, Linlin Song, Xiao Yun Yun, Hui Miao Wang, Juan Chen, Jerome P. L. Ng, Fang Ren, Si Yu Yuan, Lu Yu, Yong Tang, Guo Xin Huang, Vincent Kam Wai Wong, Sookja Kim Chung, Simon Wing Fai Mok, Da Qin, Hua Sun, Liang Liu, W.L. Wendy Hsiao, Betty Yuen Kwan Law