Table 2.
Change in the organic acids content of Prunus mume fruit dur ing storage at 4°C

Organic acid	Treatment	Storage time (day)
		0	1	3	5	7
		Citric acid	Control	172.2±0.05Aa1)	161.1±0.00Ab	156.2±0.00Abc	151.2±0.06Ac	148.1±0.01Ac
Water washing	169.4±0.01Aa		160.4±0.01Ab	156.8±0.02Abc	152.5±0.07Acd	148.9±0.00Ad
Citric acid (0.5%)	168.1±0.01Aa		159.1±0.01ABb	155.0±0.01Ac	151.0±0.03Ad	147.1±0.01Ae
Tween 20 (0.1%)	168.9±0.02Aa		157.8±0.02Bb	153.8±0.02Ab	149.3±0.01Ac	147.0±0.02Ac
Citric acid + T 20	166.4±0.07Aa		161.2±0.01Aab	155.3±0.02Abc	151.0±0.01Ac	147.9±0.04Ac
Malic acid	Control	415.4±0.04Aa	406.9±0.05Aab	400.3±0.03Abc	391.1±0.03Ac	389.2±0.10Ac
	Water washing	422.9±0.00Aa	408.7±0.05Ab	396.9±0.08Ac	390.1±0.00Abc	389.2±0.00Ac
	Citric acid (0.5%)	416.5±0.08Aa	405.8±0.05Aa	391.4±0.11ABb	387.2±0.00ABCb	386.5±0.01Ab
	Tween 20 (0.1%)	419.1±0.00Aa	396.7±0.01Bb	385.2±0.01bc	381.5±0.05Ccd	380.1±0.01Ad
	Citric acid + T 20	418.7±0.01Aa	399.7±0.01Bb	389.6±0.00Abc	381.7±0.07BCc	381.4±0.10Ac
Oxalic acid	Control	17.0±0.00Aa	15.6±0.00Bb	14.8±0.00Ac	14.7±0.00Ac	14.3±0.00bc
	Water washing	17.0±0.01Aa	16.3±0.00Aab	15.3±0.00Ab	15.2±0.00Ab	14.9±0.00Ab
	Citric acid (0.5%)	16.9±0.00Aa	15.6±0.00Bb	14.7±0.00Ac	14.6±0.00Acd	14.2±0.00Bd
	Tween 20 (0.1%)	17.4±0.00Aa	16.9±0.00Aa	15.3±0.00Ab	15.3±0.01Ab	15.1±0.00Ab
	Citric acid + T 20	17.2±0.00Aa	16.8±0.00Aa	15.3±0.00Ab	15.2±0.01Ab	15.0±0.00Ab

Any means in the same column (A-B) or row (a-e) followed by different letters are significantly (p<0.05) different.