Table 7. Effect of pomegranate peel powder, pomegranate aril bagasse powder, and their aqueous extracts on microbial counts of chicken meat patties packaged in aerobic conditions and stored at 4±2°C.
Treatments | 0 day | 4th day | 8th day | 12th day | 16th day |
---|---|---|---|---|---|
Total plate count (Log CFU/g) | |||||
Control | 2.43±0.48aE | 3.46±0.56aD | 4.09±0.35aC | 5.09±0.37aB | 5.72±0.36aA |
BHT | 2.51±0.22aD | 3.36±0.58aC | 3.81±0.41abC | 4.80±0.72abB | 5.46±0.59abA |
PPP | 2.35±0.65aD | 2.96±0.41aC | 3.40±0.40bC | 4.07±0.49cB | 4.70±0.23cA |
PABP | 2.43±0.63aC | 2.96±0.54aC | 3.60±0.55abB | 4.28±0.42bcA | 4.85±0.41cA |
PPAE | 2.24±0.12aE | 3.06±0.56aD | 3.70±0.49abC | 4.51±0.46abcB | 5.11±0.45bcA |
PABAE | 2.28±0.09aE | 3.04±0.38aD | 3.72±0.43abC | 4.60±0.55abcB | 5.16±0.37bcA |
Psychrotrophic count (Log CFU/g) | |||||
Control | ND | 1.30±0.69aC | 1.96±0.28aB | 2.51±0.57aAB | 3.10±0.42aA |
BHT | ND | 1.12±0.61aC | 1.79±0.39aB | 2.46±0.63aB | 2.96±0.36aA |
PPP | ND | 0.91±0.75aC | 1.60±0.74aBC | 2.08±0.41aAB | 2.40±0.28bA |
PABP | ND | 1.01±0.76aC | 1.69±0.97aBC | 2.17±0.30aAB | 2.65±0.26abA |
PPAE | ND | 1.02±0.37aD | 1.69±0.38aC | 2.24±0.36aB | 2.75±0.37abA |
PABAE | ND | 1.13±0.67aC | 1.70±0.44aBC | 2.20±0.40aAB | 2.80±0.47abA |
Thermophilic count (Log CFU/g) | |||||
Control | 1.36±0.39aE | 1.98±0.31aD | 2.61±0.61aC | 3.09±0.30aA | 3.63±0.32aA |
BHT | 1.23±0.54aC | 1.81±0.49aC | 2.49±0.64aB | 2.91±0.36abAB | 3.42±0.40abA |
PPP | 1.21±0.74aD | 1.68±0.81aCD | 2.14±0.38aBC | 2.60±0.41bAB | 2.96±0.22cA |
PABP | 1.25±0.75aC | 1.69±0.41aC | 2.37±0.58aB | 2.81±0.38abAB | 3.10±0.42bcA |
PPAE | 1.26±0.74aC | 1.71±0.38aBC | 2.41±0.56aB | 2.82±0.38abA | 3.25±0.26abcA |
PABAE | 1.26±0.74aD | 1.72±0.97aCD | 2.42±0.52aBC | 2.84±0.38abAB | 3.30±0.25abcA |
n=6, Mean±SD.
BHT, 100 ppm butylated hydroxytoluene; PPP, 2 g pomegranate peel powder; PABP, 4 g pomegranate aril bagasse powder; PPAE, 6 g pomegranate peel powder aqueous extract; PABAE, 9 g pomegranate aril bagasse powder aqueous extract.
Means with different small superscripts within a column and capital superscripts within a row for a particular parameter differ significantly (p<0.05).
ND, not detected.