Isolation and preparation of gallic acid from Terminalia chebula Retz. with high-speed counter-current chromatography
LI Zhongqin, LI Qiuyun, JIANG Xinglong, ZHANG Kun, GUAN Ruizhang
Chinese Journal of Chromatography . 2014, (12): 1404 -1408 .  DOI: 10.3724/SP.J.1123.2014.07025