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

Table 3

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

Storage time (days)	Extract concentration (×MIC = 50 mg/ml)	Total count	Molds and yeasts	Total coliforms
1	0	212.00 ± 25.09^dA	28.33 ± 18.33^aA	6.33 ± 4.16^aA
	1	120.66 ± 8.02^aB	2.33 ± 0.57^aB	0.0 ± 0.0
	1.5	96.33 ± 8.50^aB	0.0 ± 0.0	0.0 ± 0.0
	2	58.66 ± 4.16^aC	0.0 ± 0.0	0.0 ± 0.0
10	0	310.66 ± 29.00^cA	15.33 ± 8.73^aA	6.33 ± 2.51^aA
	1	91.66 ± 9.60^bB	0.0 ± 0.0	0.0 ± 0.0
	1.5	45.00 ± 8.88^bC	0.0 ± 0.0	0.0 ± 0.0
	2	21.00 ± 5.29^bC	0.0 ± 0.0	0.0 ± 0.0
20	0	360.66 ± 27.61^bA	25.00 ± 8.71^aA	8.33 ± 2.51^aA
	1	36.66 ± 11.93^cB	0.0 ± 0.0	0.0 ± 0.0
	1.5	11.66 ± 3.05^cBC	0.0 ± 0.0	0.0 ± 0.0
	2	1.66 ± 1.52^cC	0.0 ± 0.0	0.0 ± 0.0
30	0	435.66 ± 12.66^aA	43.00 ± 19.46^aA	9.66 ± 5.03^aA
	1	11.33 ± 7.09^dB	0.0 ± 0.0	0.0 ± 0.0
	1.5	2.33 ± 0.57^cC	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.