Spine grape (Vitis davidii Foěx.) is one of the fruit crops species, distributeswidely in the western and northern of Hunan province. The grape has favorite flavorand taste. But the fruit is small, contained thick peel and large amount of seed. It issuitable for processing. Now there are few reports about studies on spine grape. Theresearch used Ziqiu (a new cultivar of spine grape) as experiment material, mainlyfocused on extracting of seed oil and procyanidins in spine grape seed by supercritica...