Table 1.

Phytochemical profiles in ‘Sanhua’ plum during storage (unit: mg/100 g FW).

Phytochemicals	Treatments	Storage Time
		0 d	8 d	16 d	24 d	32 d	40 d
Epicatechin	Control	4.76 ± 0.12 a	13.50 ± 0.99 b	9.93 ± 0.43 b	11.31 ± 0.96 b	10.46 ± 1.13 a	11.00 ± 0.83 a
	Heat	4.76 ± 0.12 a	11.35 ± 1.06 c	9.90 ± 1.17 b	5.08 ± 0.48 c	5.42 ± 0.47 b	7.16 ± 0.09 b
	Heat and chitosan	4.76 ± 0.12 a	42.17 ± 1.02 a	38.54 ± 3.63 a	36.79 ± 2.55 a	9.00 ± 1.01 a	2.91 ± 0.78 c
Myricetin	Control	0.53 ± 0.04 a	0.84 ± 0.08 b	0.73 ± 0.08 b	0.96 ± 0.09 a	0.85 ± 0.07 a	0.66 ± 0.03 b
	Heat	0.53 ± 0.04 a	0.31 ± 0.02 c	0.62 ± 0.05 b	0.72 ± 0.02 b	1.00 ± 0.11 a	1.03 ± 0.14 a
	Heat and chitosan	0.53 ± 0.04 a	1.06 ± 0.04 a	0.88 ± 0.04 a	0.78 ± 0.03 b	0.54 ± 0.06 b	0.59 ± 0.04 b
Hesperetin	Control	0.027 ± 0.002 a	0.036 ± 0.004 b	0.030 ± 0.001 c	0.031 ± 0.002 b	0.030 ± 0.003 c	0.030 ± 0.006 b
	Heat	0.027 ± 0.002 a	0.022 ± 0.002 c	0.022 ± 0.001 b	0.034 ± 0.002 b	0.055 ± 0.001 a	0.039 ± 0.001 a
	Heat and chitosan	0.027 ± 0.002 a	0.053 ± 0.001a	0.046 ± 0.001 a	0.044 ± 0.002 a	0.046 ± 0.005 b	0.039 ± 0.002 a
Cyanidin	Control	0.74 ± 0.06 a	0.70 ± 0.08 c	1.11 ± 0.07 b	1.55 ± 0.19 b	1.65 ± 0.18 a	1.28 ± 0.06 a
	Heat	0.74 ± 0.06 a	0.93 ± 0.10 b	0.92 ± 0.09 b	0.75 ± 0.06 c	0.74 ± 0.05 c	0.73 ± 0.06 c
	Heat and chitosan	0.74 ± 0.06 a	1.38 ± 0.11 a	1.88 ± 0.19 a	2.39 ± 0.10 a	1.00 ± 0.10 b	1.06 ± 0.06 b
Pelargonidin	Control	0.105 ± 0.002 a	0.089 ± 0.000 b	0.106 ± 0.017 a	0.116 ± 0.014 b	0.123 ± 0.020 a	0.111 ± 0.014 a
	Heat	0.105 ± 0.002 a	0.108 ± 0.010 ab	0.097 ± 0.004 a	0.109 ± 0.003 b	0.138 ± 0.011 a	0.096 ± 0.004 a
	Heat and chitosan	0.105 ± 0.002 a	0.119 ± 0.020 a	0.124 ± 0.021 a	0.144 ± 0.014 a	0.108 ± 0.010 a	0.108 ± 0.014 a

Different letters indicate significant differences between different treatments for each compound (p < 0.05).