Table 3 The results of the average overall color changes (∆E) of the biofilms during 14 days of storage.

From: Production of Oncorhynchus mykiss biosensor based on polyvinyl alcohol/chitosan nanocomposite using phycocyanin during refrigerated storage

Time

T1

T2

T3

T4

T5

Day 0

0.00 ± 0.00 Ca

0.00 ± 0.00 Ca

0.00 ± 0.00 Ca

0.00 ± 0.00 Ca

0.00 ± 0.00 Ca

Day 1

0.42 ± 0.01 Bc

1.80 ± 0.01 Bb

2.41 ± 0.01 Bb

4.90 ± 0.01 Ba

4.86 ± 0.01 Ba

Day 7

1.04 ± 0.22 Ac

8.17 ± 3.76 Aab

8.94 ± 0.27 Ab

9.75 ± 0.58 Aa

10.39 ± 0.57 ABa

Day 14

1.00 ± 0.35 Ac

8.06 ± 1.26 Ab

8.78 ± 0.03 Ab

9.21 ± 0.22 Aa

9.47 ± 0.20 Aa

  1. T1: fish coated with PVA/NCH-NC without PC; T2: fish coated with PVA/NCH/PC-NC (0.5% PC); T3: fish coated with PVA/NCH/PC-NC (1% PC); T4: fish coated with PVA/NCH/PC-NC (1.5% PC) and code T5: fish coated with PVA/NCH/PC-NC (2% PC).
  2. Different small and capital letters indicate a significant difference in the column and row respectively (p < 0.05).