Isolation of 6-gingerol, 8-gingerol and 6-shogaol from dry rhizome  of Zingiber officinale Rosc. by silica gel column chromatography and highspeed countercurrent chromatagraphy
XU Mei-Xia, WANG Xiao, LIU Jian-Hua, GENG Yan-Ling, WANG Dai-Jie, LIU Feng
J4 . 2013, (2): 61 -65 .  DOI: 10.3976/j.issn.1002-4026.2013.02.012