Red wine represents a very rich source of phenolic compounds.Phenolic compounds are partly responsible for the organoleptic properties of wine,including the color,astringency and bitterness,as well as for the physiological effects.As the basic materials of wine-making,the quality of grape plays an important role in determining the quality of the resulting wine.In the part of the region,due to the poor quality of grapes,red wine presented poor quality including low content of polyphenol,thin and aroma-absent...