Purification of tea caffeine by sublimation and its inhibitory activity on collagenase and elastase
YE Xin, WANG Li, JIANG Chao, DU Xiaojing, DING Xiaoyu, WANG Hongxin
Food and Fermentation Industries . 2021, (10): 43 -49 .  DOI: 10.13995/j.cnki.11-1802/ts.025625