“…The column was monitored by UV lamp (254 and 366 nm). Fractions of 35 mL were collected as follows: [(1-6), n-hexane-EtOAc (90:10)] [ (7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24), n-hexane-EtOAc (8:2)], [ (25)(26)(27)(28)(29), n-hexane-EtOAc (7:3)], [ (30), n-hexane-EtOAc (6:4)], [ (31), n-hexane-EtOAc (1:1)], [ (32), n-hexane-EtOAc (4:6)], [ (33), n-hexane-EtOAc (3:7)], [ (34), n-hexane-EtOAc (2:8)] [ (35), n-hexane-EtOAc (1:9)], [(36), EtOAc-MeOH (9:1)] [(37), MeOH (100%)]. These fractions were pooled according to their TLC profiles into 10 subfractions F1 to F10 as follows: F1 (1-3; 0.05 g), F2 (4-7; 2.13 g), F3 (8-10; 0.24 g), F4 (11-13; 0.04 g), F5 (14-18; 0.04 g), F6 (19-23; 1.96 g), F7 (24-28; 0.39 g), F8 (29-31; 0.12 g), F9 (32-35; 0.06 g), and F10 (36-37; 0.39 g).…”