Vol. 6, Issue 12, Part B (2020)

Abstract
Apples are sub-acid foods that have a rich pectin content and have proven rather beneficial to diabetes patients. Pectin, one of the most potent components in apples, acts as a detoxifier of the body by supplying an inordinate amount of glucuronic acid. India is considered the original home of apples (Pyrus malus L). Phenolic compounds are believed to impart resistance to diseases in plants and Polyphenol oxidase (Catecholase and Cresolase) enzyme has been reported to be responsible for in vivo synthesis and accumulation of these compounds. In present study Polyphenol oxidase activity in different varieties of apple fruit samples (found in Kashmir) has been correlated with polyphenolic compounds and antioxidant activity. It was found that increase in Polyphenol oxidase (PPO) activity and total phenolic content in apple fruit samples of Ambri and Red Delicious varieties were maximum in accordance with antioxidant activity to that of Kessi and A. Trel which have reduced Polyphenol oxidase activity, total phenolic content and antioxidant activity. In the present investigation a relation between Polyphenol oxidase activity, Total Phenolic Content (TPC) and antioxidant activity has been established. Thus on the basis of PPO activity, polyphenolic content and antioxidant activity, the different varieties of the fruits can be differentiated. From the results of present study it can be concluded that apples having maximum antioxidant activity should be consumed more since these fruits will be much beneficial for health.