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Table 3 Changes in TVB-N (mg/100 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

11.15mo

15.12go

20.26go

25.40em

30.32ci

35.40be

39.70bd

46.50b

59.70a

31.50A

T2

10.11mo

13.91lo

15.17lo

18.83io

20.22go

25.16em

30.42ci

32.01ch

35.21bf

22.33B

T3

10.85mo

15.21lo

19.18ho

22.40fn

26.80 dl

28.92cj

32.43cg

35.01bf

37.51em

23.83B

T4

9.92no

11.12mo

15.72ko

18.20io

24.20em

28.40ck

30.50ci

34.70bf

40.40bc

23.68B

T5

8.83o

9.12o

11.14mo

15.20lo

17.22jo

20.50go

22.50en

25.01em

30.15em

17.74C

T6

8.91mo

10.28mo

13.15mo

15.12lo

16.21jo

18.71io

20.50go

22.40fn

25.20em

16.66C

Mean

9.96H

12.46GH

15.77FG

19.10EF

22.49DE

26.18CD

29.34BC

32.60AB

35.72A

 
  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 indicate significant differences among treatments at a significance level of P ≤ 0.05