Preparation of brazilein from Caesalpinia sappan by high performance countercurrent chromatography
HE Wenqian, FAN Qingfei, ZHOU Lan, HUANG Fengmei, JIANG Xian, NA Zhi, HU Huabin, SONG Qishi
Chinese Journal of Chromatography . 2020, (12): 1363 -1368 .  DOI: 10.3724/SP.J.1123.2020.03016