Skip to main content
. 2014 Aug 7;52(7):4507–4514. doi: 10.1007/s13197-014-1484-6

Table 3.

Changes in total phenolics (TPC), flavonoids (TFC) and anthocyanins content (TAC) and antioxidant activity (AA) in coated and uncoated pomegranate fruits over 120 days storage at 4.5 °C and 3 additional days at 20 °C

Parameters Treatment Day storage
0 40 80 120
TPC Control 135.6 ± 4.9 abc 135.7 ± 5.1 ab 112.7 ± 2.5 h 84.8 ± 3.5 i
Chitosan 1 % 135.6 ± 4.9 abc 135.8 ± 4.4 abc 127.8 ± 3.0 bcde 113.5 ± 4.0 fg
Chitosan 2 % 135.6 ± 4.9 abc 137.4 ± 4.3 ab 125.4 ± 5.3 cde 118.8 ± 4.9 ef
Carnauba wax 135.6 ± 4.9 abc 138.0 ± 5.8 ab 129.9 ± 6.1 abcd 123.5 ± 4.5 def
Resin wax 135.6 ± 4.9 abc 139.4 ± 5.2 a 121.9 ± 3.9 def 106.6 ± 4.2 gh
TFC Control 83.5 ± 2.6 cde 89.8 ± 2.1 ab 73.3 ± 1.9 gh 62.6 ± 1.6 i
Chitosan 1 % 83.5 ± 2.6 cde 87.4 ± 2.3 abc 83.6 ± 1.9 cde 71.9 ± 1.8 gh
Chitosan 2 % 83.5 ± 2.6 cde 88.1 ± 3.0 abc 81.2 ± 2.4 def 73.6 ± 1.3 g
Carnauba wax 83.5 ± 2.6 cde 91.4 ± 1.5 a 83.5 ± 2.1 cde 76.8 ± 1.9 fg
Resin wax 83.5 ± 2.6 cde 85.1 ± 3.2 bcd 79.2 ± 2.5 ef 68.2 ± 1.9 h
TAC Control 147.6 ± .04de 166.3 ± 0.3 a 142.3 ± 0.7 ef 106.7 ± 0.5 i
Chitosan 1 % 147.6 ± 0.04 de 159.1 ± 0.4 abc 152.7 ± 0.7 cd 131.5 ± 0.5 g
Chitosan 2 % 147.6 ± 0.04 de 163.4 ± 0.3 ab 159.8 ± 0.5 abc 134.5 ± 0.3 fg
Carnauba wax 147.6 ± 0.04 de 165.2 ± 0.3 ab 156.9 ± 0.5 abcd 141.7 ± 0.5 efg
Resin wax 147.6 ± 0.04 de 162.4 ± 0.4 abc 155.6 ± 0.3 bcd 120.4 ± 0.4 h
AA Control 65.7 ± 1.5 def 68.6 ± 1.4 bcd 56.8 ± 1.8 h 48.7 ± 1.6 i
Chitosan 1 % 65.7 ± 1.5 def 70.7 ± 2.4 bcd 67.2 ± 2.4 cde 58.4 ± 1.7 gh
Chitosan 2 % 65.7 ± 1.5 def 73.3 ± 2.0 ab 65.5 ± 1.4 cde 60.5 ± 1.6 gh
Carnauba wax Carnauba wax 65.7 ± 1.5 def 76.4 ± 1.9 a 67.5 ± 1.5 bcd 62.6 ± 2.1 ef
Resin wax 65.7 ± 1.5 def 72.0 ± 2.2 abc 61.1 ± 2.7 fgh 58.6 ± 1.7 h

Values with different letters across coating treatment and storage time for each parameter are significantly different at p < 0.05. Data are the mean ± S.E. (n = 3). TPC, (mg GAE 100 mL−1 juice); TFC, (mg RE 100 mL−1 juice); TAC, (mg L−1); AA, (% DPPHSC)