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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