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Table 5 Effect of gamma irradiation and storage on the inactivation of E. coli at 28 ± 2 °C in powdered Legon-18 pepper (C. annuum)

From: The role of gamma irradiation and storage at 28 ± 2 °C on the inactivation of Listeria monocytogenes, Escherichia coli and Salmonella enterica serotype Typhimurium in sun-dried Legon-18 pepper (Capsicum annuum) powder

Storage days

Microbial count (log cfug-1)

0 kGy

1 kGy

2 kGy

4 kGy

5 kGy

0

6.40 ± 0.09Aa

4.12 ± 0.09Ba

3.84 ± 0.08Ba

2.57 ± 0.11Ca

ND

2

6.14 ± 0.08Ab

3.85 ± 0.08Bba

3.49 ± 0.08Bb

2.17 ± 0.11Cb

ND

5

5.94 ± 0.76Ac

3.49 ± 0.08Bba

3.19 ± 0.21Bc

2.05 ± 0.2Cb

ND

12

5.37 ± 0.11Ad

3.29 ± 0.72Bba

3.06 ± 0.08Bc

1.40 ± 0.09Cc

ND

21

4.55 ± 0.08Ae

3.14 ± 0.68Bb

2.32 ± 0.11Cd

1.10 ± 0.09Dd

ND

30

3.14 ± 0.08Af

2.67 ± 0.58ABc

2.15 ± 0.11Be

1.06 ± 0.03Cd

ND

45

ND

ND

ND

ND

ND

60

ND

ND

ND

ND

ND

  1. Least Significant Difference. Means with the same letters (upper cases, doses within a particular day) in the same row are not significantly (P > 0.05) and means with the same letters in the same column (lower case, doses per day) are not significantly different (P > 0.05) from each other
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Food Safety and Risk

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