Table 4 Total plate counts (TPC), coliform, and yeast and mould (Y&M) changes of fresh noodles during storage at 25 °C.

From: Sensory, structural breakdown, microstructure, salt release properties, and shelf life of salt-coated air-dried yellow alkaline noodles

 

Storage time (day)

 

Day 0

Day 1

Day 2

Day 3

Day 4

TPC (log CFU/g)

     

 HC-Na0

0.9 ± 0.1Ea

6.0 ± 0.1 Da

8.8 ± 0.1Ca

11.2 ± 0.2Ba

12.0 ± 0.1Aa

 Hc-Na10

0.9 ± 0.1Eb

5.2 ± 0.1Db

8.0 ± 0.1Cb

9.4 ± 0.1Bb

10.1 ± 0.1Ab

 SC-Na0

1.0 ± 0.2Ea

6.0 ± 0.1 Da

8.7 ± 0.1Ca

11.0 ± 0.1Ba

11.9 ± 0.1Aa

 SC-Na10

0.9 ± 0.1Eb

5.3 ± 0.1Db

8.0 ± 0.1Cb

9.3 ± 0.1Bb

10.0 ± 0.1Ab

 YAN

0.8 ± 0.1

4.4 ± 0.1

6.9 ± 0.1

8.0 ± 0.1

9.2 ± 0.1

Coliform (log CFU/g)

     

 HC-Na0

0.8 ± 0.1Ea

5.8 ± 0.1 Da

7.0 ± 0.1Ca

8.2 ± 0.0Ba

8.9 ± 0.1Aa

 HC-Na10

0.7 ± 0.1Eb

5.0 ± 0.1Db

6.5 ± 0.1Cb

7.7 ± 0.1Bb

8.0 ± 0.1Ab

 SC-Na0

0.8 ± 0.1Ea

5.9 ± 0.1 Da

7.1 ± 0.1Ca

8.3 ± 0.1Ba

9.0 ± 0.1Aa

 SC-Na10

0.7 ± 0.1Eb

5.0 ± 0.1Db

6.6 ± 0.1Cb

7.6 ± 0.1Bb

8.0 ± 0.1Ab

 YAN

0.6 ± 0.1

4.5 ± 0.1

5.8 ± 0.1

6.8 ± 0.1

7.5 ± 0.1

Y & M (log CFU/g)

     

 HC-Na0

0.1 ± 0.1Ea

5.4 ± 0.1 Da

7.3 ± 0.1Ca

8.3 ± 0.1Ba

9.0 ± 0.1Aa

 HC-Na10

0.0 ± 0.1Ea

4.8 ± 0.1Db

6.2 ± 0.1Cb

7.6 ± 0.1Bb

8.1 ± 0.1Ab

 SC-Na0

0.1 ± 0.0Ea

5.3 ± 0.1Da

7.4 ± 0.1Ca

8.2 ± 0.0Ba

9.0 ± 0.1Aa

 SC-Na10

0.1 ± 0.0Ea

4.7 ± 0.1Db

6.3 ± 0.1Cb

7.6 ± 0.0Bb

8.1 ± 0.1Ab

 YAN

0.1 ± 0.1

4.3 ± 0.1

5.3 ± 0.1

7.3 ± 0.1

7.7 ± 0.1

  1. Results are presented as mean values ± standard deviation (n = 3) values. Different uppercase letters indicate significant differences (P < 0.05) between storage periods for each sample. Different lowercase letters indicate significant differences (P < 0.05) between samples for each storage period. YAN was used as a reference and not included in the statistic.