【Objective】China is one of the countries rich in resources of Vitis germplasm in the world, most of their berries are little in size, with thick dark-red peels, thus they are expected to be utilized for high quality wine production. While as a critical component to wine quality, flavan-3-ols in peel of Chinese wild grapes seldomly has been researched. In the present paper, the difference of the composition and concentration of flavan-3-ols in berry peel of different Chinese wild grape species was evaluated,...