Emergency Food Product Packaging by Pectin-Based Antimicrobial Coatings Functionalized by Pomegranate Peel Extracts

Table 4

Antibacterial effects of different concentrations of pomegranate peel aqueous extract incorporated in coatings of emergency food product during 30 days of storage.

Storage time (days)	Extract concentration (×MIC = 80 mg/ml)	Total count	Molds and yeasts	Total coliforms
1	0	212.00 ± 25.06^aA	28.33 ± 18.33^aA	6.33 ± 4.16^aA
	1	184.33 ± 48.95^aA	9.00 ± 8.71^aA	0.33 ± 0.57^aB
	1.5	180.67 ± 21.94^aA	0.0 ± 0.0	0.0 ± 0.0
	2	171.33 ± 28.57^aA	0.0 ± 0.0	0.0 ± 0.0
10	0	310.67 ± 29.01^bA	15.33 ± 8.73^aA	6.33 ± 2.51^aA
	1	146.67 ± 17.95^aB	1.66 ± 2.88^aB	0.0 ± 0.0
	1.5	86.67 ± 27.74^bC	0.0 ± 0.0	0.0 ± 0.0
	2	13.00 ± 9.54^bD	0.0 ± 0.0	0.0 ± 0.0
20	0	360.67 ± 27.61^cA	25.00 ± 8.71^aA	8.33 ± 2.51^aA
	1	145.33 ± 18.23^aB	0.0 ± 0.0	0.0 ± 0.0
	1.5	15.00 ± 5.00^cC	0.0 ± 0.0	0.0 ± 0.0
	2	3.67 ± 6.35^bD	0.0 ± 0.0	0.0 ± 0.0
30	0	435.66 ± 12.66^dA	43.00 ± 19.46^aA	9.66 ± 5.03^aA
	1	64.67 ± 30.24^bB	0.0 ± 0.0	0.0 ± 0.0
	1.5	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0
	2	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0

^∗Different small letters show significant differences at certain extract dosage during storage time. ^∗Different capital letters show significant differences at certain storage time and different extract dosage.