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Table 6 Effect of isoflavone on the change in lightness coordinate (L*), redness coordinate (a*), and yellowness coordinate (b*) in dry-cured pork sausage during the ripening period

From: Changes in physicochemical and microbiological properties of isoflavone-treated dry-cured sausage from sulfur-fed pork during storage

L* (Lightness)

Treatment

SEM

P-value

Storage (days)

CON

SUL

ISO

Treatment

Storage

0

62.1b A

64.7a A

64.2a A

0.447

*

***

15

48.6NS D

47.2C

49.4D

0.633

0.130

30

49.1NSC

50.4B

51.4C

0.692

0.134

45

51.2b B

52.8ab B

54.4a B

0.806

0.073

a* (redness)

CON

SUL

ISO

   

Storage (days)

      

0

6.1NS C

6.8D

6.5 C

0.361

0.435

***

15

12.6NS A

11.5A

12.0 A

0.567

0.453

30

10.2NS A

10.6B

11.0A

0.457

0.518

45

8.1NS B

9.1C

9.1B

0.555

0.412

b* (yellowness)

CON

SUL

ISO

   

Storage (days)

      

0

13.2b C

16.9a B

14.1b D

0.470

**

***

15

17.6a A

15.4b A

18.5a A

0.481

**

30

15.7b B

15.4b A

17.3a B

0.337

*

45

14.8b B

15.3ab A

16.8a C

0.436

*

  1. 1) CON, Dry-cured sausage processed with 100% commercial diet fed pork; SUL, Dry-cured sausage processed with 0.3% sulfur fed pork; ISO, 0.25% isoflavone + dry-cured sausage processed with 0.3% sulfur fed pork. 2)NS; Not significant; a-c means within a row with different letters are significantly different, P < 0.05; A-D means within a column with different letters are significantly different, P < 0.05. Significance level of treatment is given by ***(P <0.001); **(P<0.01); *(P<0.05) *All values are mean ± standard deviation (n = 3).