Fig. 5

PAL enzyme activity (A) along with accumulation of phenols (B) and flavonoids (C), and DPPH scavenging capacity (D) in kiwifruits treated with dopamine at concentrations of 0 and 150 µM during storage at 1 °C for 120 days. Data displayed as mean values (n = 3), with error bars representing standard errors. Different letters indicate significant differences determined by Duncan’s test at P < 0.05.