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Table 9 Changes in coliform bacteria (log cfu/g) of fish steak samples during storage at 4 °C

From: Improvement of the shelf life of grey mullet (Mugil cephalus) fish steaks using edible coatings containing chitosan, nanochitosan, and clove oil during refrigerated storage

Treatments

Storage period (day)

Mean

0

3

6

9

12

15

18

21

24

T1

2.20ln

3.86em

5.19cj

5.81bg

6.21ae

6.71ad

7.81ab

8.41a

8.61a

6.09A

T2

2.64ln

2.85jn

3.69fn

3.93em

4.32 dl

4.74 cl

5.30ci

5.83bf

6.71ad

4.44B

T3

2.35ln

2.92in

3.54fn

3.72fn

3.94em

4.42 dl

5.10ck

5.60bg

5.89bf

4.15BC

T4

2.74kn

3.03hn

3.40gn

3.82em

4.63 cl

4.83 cl

5.40bh

5.84bf

6.91ac

4.51B

T5

1.40n

1.67 mn

2.60ln

3.10hn

3.73fn

3.92em

4.62 cl

4.80 cl

5.83em

3.51CD

T6

1.04ln

1.90 mn

2.65ln

2.76kn

3.61fn

3.84em

4.41 dl

4.74 cl

5.71bg

3.40D

Mean

2.06H

2.70GH

3.51FG

3.85EF

4.40DE

4.74CD

5.44BC

5.86AB

6.61A

 
  1. T1 Control, T2 Chitosan 2%, T3 Chitosan 2% and clove oil, T4 Clove oil, T5 Nanochitosan 2%, T6 Nanochitosan 2% and clove oil
  2. Means within the same column having different capital letters are significantly different at a significance level of P ≤ 0.05 for treatments, and means within the same row having different capital letters are significantly different for time of storage. Means within the same column having different small letters have significant differences among treatments at a significance level of P ≤ 0.05