. 2014 Nov 10;9(11):e112554. doi: 10.1371/journal.pone.0112554

Table 3. Effect Antimicrobial and antioxidant of active film during products storage.

Film formulations	Count of coagulase-positive staphylococci (CFUs) in cheese, during 28 days of storage (days)
	0	4	8	12	16	20	24	28
C1	4,5E+02^(a)	1,1E+03^(a)	6,5E+03^(b)	1,7E+04^(b)	4,6E+04^(b)	8,7E+04^(b)	1,5E+05^(b)	4,1E+05^(b)
C2	4,5E+02^(a)	1,8E+03^(a)	7,4E+03^(b)	1,9E+04^(b)	5,1E+04^(b)	9,8E+04^(b)	1,9E+05^(b)	4,5E+05^(b)
C3	4,5E+02^(a)	2,1E+03^(a)	8,3E+03^(a)	3,2E+04^(a)	7,4E+04^(a)	1,2E+05^(a)	4,7E+05^(a)	5,9E+05^(a)
F9	4,5E+02^(a)	7,5E+02^(b)	1,1E+03^(c)	4,7E+03^(c)	2,3E+04^(c)	4,8E+04^(c)	7,2E+04^(c)	8,4E+04^(c)
Film formulations	Peroxide index (PI) of the butter (meq/Kg) during storage (days)
	0	7	15	30	45	60	-	-
C1	0.35^a	0.71^a	0.81^b	0.95^b	0.90^a	0.80^a	-	-
C2	0.35^a	0.75^a	0.89^a,b	1.04^a,b	0.87^a	0.68^a,b	-	-
C3	0.35^a	0.94^a	1.14^a	1.22^a	0.91^a	0.58^a,b	-	-
F9	0.35^a	0.40^b	0.46^c	0.54^c	0.58^b	0.52^b	-	-

Means with the same letters in the same columns presented no statistical difference (p>0.05) according to Tukey’s test.

C1 = film without propolis; C2 = film of low-density polyethylene; C3 = product without any package; F9 = active film (starch, glycerol and 0.5% licuri cellulose nanocrystals).