Abstract

Abstract The total phenolic content (TPC) and antioxidant activity (AA) of commercially available fruit juices (kiwi, mango, guava, litchi, apple and pineapple) from Himachal Pradesh, an Indian state in the North Western Himalayas was evaluated. The stability of TPC and AA was also compared between the juices using in vitro simulated digestion using pepsin and pancreatin. The TPC in all the juices ranged from 6.78 to 86.6 mg gallic acid equivalent (GAE)/L with AA ranging from 55.8 to 402 Trolox equivalent antioxidant activity (TEAC) µM/L. Under in vitro simulated digestion, the TPC and AA were significantly enhanced after each phase of digestion (p

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