Patent ID: 7485326

Claim:
An oral microemulsion composition for treating a liver disease, which comprises biphenyldimethyldicarboxylate (BDD) and silybin or a derivative thereof, or a Carduus marianus extract containing silybin and a derivative thereof, as active ingredients; a co-surfactant; a surfactant; and an oil, wherein the silybin derivative is silycristin, silydiamin or isosilybin; and wherein the biphenyldimethyldicarboxylate: the silybin or silybin derivative: co-surfactant: surfactant: oil ratio by weight is in the range of 1:0.3˜33:10˜150:5˜100:1˜50, or wherein the biphenyldimethyldicarboxylate: Carduus marianus extract: co-surfactant: surfactant: oil ratio by weight is in the range of 1:1˜100:10˜150:5˜100:1˜50.