Flavones from marchantia convoluta: isolation of apigenin - 7 - O-Beta-D-glucuronide and 5-hydroxyl-7-methoxyl-2-methylchromone

ABSTRACT

Dried leaves of Marchantia convolutaare largely used as hepatoprotectives; and to treat tumefaction of skins in China. Two flavones were isolated from the leaves of Marchantia convoluta by silica gel column and preparative high performance liquid chromatography (PHPLC). These compounds were identified through spectral analysis (IR; UV; 1HNMR; 13CNMR; MS) as 5-hydroxyl-7- methoxyl-2- methylchromone and a flavone glycoside; Apigenin-7-O-a-D-glucuronide