... curcuma essential oil constituents The ethyl acetate extract was chromatoghraphed on silica gel column with nomal phase, The fraction were purified by TLC preparative, analyzed 1H-nmr, 13C-nmr, DEPT,...
... curcuma essential oil constituents The ethyl acetate extract was chromatoghraphed on silica gel column with nomal phase, The fraction were purified by TLC preparative, analyzed 1H-nmr, 13 C-nmr, DEPT,...