Fig. 1

a The degree of sunburn of ‘Hongyushizi’ pomegranate. SB-0, no sunburn; SB-1, mild sunburn; SB-2, moderate sunburn; SB-3, severe sunburn. b MDA content in pomegranate pericarp with four degrees of sunburn. c Relative conductivity in pomegranate pericarp with four degrees of sunburn. d The total phenolic content in pomegranate pericarp with four degrees of sunburn. e The flavonoid content in pomegranate pericarp with four degrees of sunburn. f The antioxidant activity in pomegranate pericarp with four degrees of sunburn. The small letters on different columns indicate significant differences