Vitis thunbergii SIEB. & ZUCC. is a native plant of Taiwan belonging to the Vitaceae family. It is a common folk medicine being used for rheumatism, hepatitis, jaundice, dysentery and blennorrhagia etc..
From its methanolic extracts, seven compounds were isolatedï¼ lupeol(H-1), Ã-sitosterol(H-2), l-dotriacontanol(H-3), friedelin(C-1), betulin(C-2), vanillic acid(EA-1) and caffeic acid(EA-2). Their structures were determined by spectroscopic methods.
In the past, few reseaches were done on Vitis thunbergii SIEB. & ZUCC. Througt the chemical studies of the ingredients, the medical use of this plant can be understood. However, the pharmacological activities of the compounds isolated needs further investigation.