Cinnamic Acid Derivate From the Bark of Lerchea bracteata Val.
Teks penuh
Gambar
Dokumen terkait
Separation method was performed by flash column chromatography using silica gel as stationary phase and eluent n-hexane : ethyl acetate.. Isolated products from
The methanol , n- hexane, ethyl acetate extracts were tested using antiplasmodial assay against Plasmodium falciparum 3D7.. Ethyl acetate extract was separated by the
argentea extracted with methanol and partition between n-hexane, ethyl acetate, and n-butanol, respectively The extracts were tested against P-388 murine leukemia cells and the
A flavonoid compound in flavonol type namely kaemferol was isolated from the ethyl acetate fraction of the methanol extract of the fern Chingia sakayensis (Zeiller) Holtt’s leaves..
The first chromatographic separation of the active ethyl acetate phase by this strain was going on the open column silica gel using chloroform-acetonitrile. The
Removal of solvent furnished the crude product, which was charged on a silica gel column and elution with 2% ethyl acetate – pentane removed less polar impurities.. Further elution with
In vitro α-glucosidase inhibitor activity test In vitro α-glucosidase inhibitor activity test of methanol extract, ethyl acetate, and n-hexane fraction was carried out according to
The organic solvent was evaporated under reduced pressure and the residue was purified by flash column chromatography silica gel, hexane-ethyl acetate 1:1 v/v then switching to