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Table 1 Effect of gamma irradiation and storage on the inactivation of L. monocytogenes 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 5.96 ± 0.08Aa 5.37 ± 0.11Ba 4.20 ± 0.09Ca 4.55 ± 0.09Da ND
2 5.88 ± 0.08Aa 5.11 ± 0.11Bb 4.16 ± 0.09Cb 3.53 ± 0.11Db ND
5 5.77 ± 0.08Aa 4.97 ± 0.11Bb 3.96 ± 0.09Cc 2.87 ± 0.11Dc ND
12 5.48 ± 0.11Ab 4.70 ± 0.11Bc 3.79 ± 0.09Cc 2.56 ± 0.11Dd ND
21 5.12 ± 0.11Ac 4.60 ± 0.09Bc 3.54 ± 0.08Cd 2.37 ± 0.13De ND
30 4.86 ± 0.11Ad 4.00 ± 0.09Bd 2.88 ± 0.08Ce 2.17 ± 0.13Df ND
45 4.75 ± 0.11Ad 2.92 ± 0.08Be 2.16 ± 0.11Cf 1.65 ± 0.13Dg ND
60 4.55 ± 0.09Ae 1.89 ± 0.11Bf 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