4、 of Department of Food Science & Technology, College of Life Science & Engineering of Chongqing Three Gorges University ,Wanzhou, Chongqing, 404000Abstract:The experiment is to clear effect of Postharvest Treatment on antioxidant ability of riboflavin g
5、rape fruit during storage and decay rate.The PH difference method, Folin reagent method to measure the pH of grape fruit, total phenolic content data.Through the data analysis, 10 mol / L riboflavin treatment on Postharvest grape fruit during storage of
6、 1 DEG C total phenolics, total flavonoids and total anthocyanin content decreased to restrain.At the same time, the free radical scavenging ability and total reducing power were improved, and the antioxidant ability was maintained.Closely affect the sy
7、nthesis of phenylpropanoid metabolism of grape polyphenols in fruit, especially related to the highest degree of PAL and C4H.It is therefore concluded: 10umol / L riboflavin treatment of grape fruit phenylpropanoid metabolism enzyme activity to improve
8、effectively induced, thus completing the fruit polyphenols synthesis to promote the work of.Keywords:Grapeberries,Methyljasmonate(VitaminB2),phenylpropnaoid2016届食品科学与工程专业毕业论文1文献综述葡萄果实不仅是全球产量最大的浆果类水果，而且还具有“水果之神”的称号，其原产于地中海沿岸及美洲大陆，
