The comparison of the pineapple fruit extracts from peel, pulp and core on browning retardation of fresh-cut Taaptimjaan roseapple fruit during storage showed that pineapple fruit core extract at the concentration of 1:1 was effective in retarding the browning of the fruit more than other extracts. Konjac glucomanan coating effectively retarded weight loss and enhanced browning inhibition ability of the pineapple fruit extract. KG + PE effectively inhibited the browning and maintained the whiteness of the fresh-cut roseapple fruit during storage. Regarding browning inhibition from using KG + PE, the lowest PPO and POD activities and the highest total phenols contents were detected with this treatment. The application of KG + PE is an effective alternative to prevent browning of fresh-cut fruit during storage