Chemical and Biological Technologies in Agriculture

Table 5 Changes^* of total phenolic compounds and antioxidant activity in barberries packaged under different atmospheres during storage at 4 °C

From: Capability of oxygen-scavenger sachets and modified atmosphere packaging to extend fresh barberry shelf life

Characteristics	Atmosphere type	Storage day
Characteristics	Atmosphere type	7	14	21	28
Harvesting day = 197.1 ± 4.4
Phenolic compounds (mg/100 g)	Control	162.8 ± 2.1Ba	156.1 ± 1.4Ca	143.9 ± 1.9Ba	136.5 ± 11.0Ba
	N₂ gas	151.3 ± 4.5Ca	159.7 ± 2.9BCa	148.2 ± 1.1Ba	145.1 ± 14.9Ba
	Vacuum	158.6 ± 3.6BCa	167.3 ± 2.7Ba	159.1 ± 11.1Ba	152.1 ± 11.9ABa
	Oxygen scavenger	191.6 ± 2.7Aa	186.6 ± 6.2Aa	190.4 ± 0.5Aa	181.2 ± 10.8Aa
Harvesting day = 72.9 ± 2.3
RSC_DPPH (%)	Control	63.6 ± 6.7ABa	59.0 ± 3.7Bab	54.9 ± 3.6Abc	50.3 ± 3.0Bc
	N₂ gas	67.1 ± 2.9Aa	66.3 ± 3.6Aa	51.2 ± 2.7Bb	49.8 ± 2.9Bb
	Vacuum	57.1 ± 3.8Ba	55.0 ± 4.1Ba	54.2 ± 2.8Aa	48.7 ± 3.1Bb
	Oxygen scavenger	60.3 ± 5.7ABa	58.6 ± 2.9Ba	56.4 ± 3.0Aa	59.2 ± 4.0Aa
Harvesting day = 99.4 ± 4.1
FRAP (mmol/L)	Control	71.4 ± 4.6Ba	68.8 ± 5.1Bab	62.2 ± 3.8Bb	65.2 ± 8.3Bab
	N₂ gas	71.1 ± 3.6Bab	73.3 ± 3.8Aa	71.7 ± 3.5Aab	69.3 ± 5.0ABb
	Vacuum	75.3 ± 4.1Aa	76.0 ± 3.4Aa	73.4 ± 6.0Aa	71.9 ± 4.1ABa
	Oxygen scavenger	71.5 ± 4.6Ba	72.6 ± 4.7Aa	75.2 ± 5.4Aa	76.3 ± 7.2Aa

^*Mean ± standard deviation (SD)
Non-similar uppercase and lowercase letters indicate a significant difference in columns and rows, respectively, for each temperature according to Tukey test (P < 0.05)

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