Polyphenols and Alkaloids in Byproducts of Longan Fruits (<i>Dimocarpus Longan</i> Lour.) and Their Bioactivities oleh Ya-Yuan Tang, Xue-Mei He, Jian Sun, Chang-Bao Li, Li Li, Jin-Feng Sheng, Ming Xin, Zhi-Chun Li, Feng-Jin Zheng, Guo-Ming Liu, Jie-Min Li, Dong-Ning Ling