The results show that kon-jac glucomannan coating could not inhibit browning of fresh-cut roseapple whilst the pineapple extract could retard the browning of the fruit. The effect of pineapple core extraction on browning Fig. 1. Effects of PE, KG and KG + PE on weight loss of fresh-cut roseapple fruit during storage at 4 ± 2 ◦ C for 6 days. Vertical bars represent standard deviation of the means (n = 4).