Table 2. Weight change ratio and protein solubility of single layer gelatin films with different concentrations of mustard or oregano essential oils at 4°C in water

Variable	Time	Mustard essential oil (%)					Oregano essential oil (%)
Variable	Time	0	20	40	60	80	0	10	20	30	40
Weigh change ratio	1 day	5.50±0.31^a	4.48±0.55^b	4.01±0.63^bc	3.26±0.26^cd	3.11±0.28^d	5.50±0.32^a	4.21±0.59^b	3.50±0.83^bc	3.11±0.40^c	2.95±0.24^c
	2 day	5.40±0.21^a	4.39±0.38^b	4.00±0.20^b	3.22±0.58^c	3.05±0.41^c	5.40±0.21^a	4.10±0.16^ab	2.96±0.26^b	3.13±0.21^b	2.86±0.11^b
	3 day	5.39±0.45^a	4.32±0.35^b	3.96±0.31^b	3.23±0.34^c	3.12±0.62^c	5.39±0.45^a	4.10±0.80^b	2.90±0.24^c	3.10±0.14^c	2.80±0.45^c
	4 day	5.23±0.23^a	4.12±0.23^b	3.83±0.35^b	3.12±0.20^c	3.10±0.42^c	5.23±0.23^a	3.91±0.12^ab	2.69±0.63^b	2.85±0.29^b	2.71±0.13^b
p-value	Time	0.539					0.550
	Essential oil	0.000					0.000
	Time×Essential oil	1.000					1.000
Protein solubility (mg/mL)	1 day	0.34±0.01^dD	2.14±0.01^cC	3.02±0.02^bC	3.23±0.03^aC	3.39±0.06^aC	0.34±0.01^eD	1.24±0.02^dD	1.98±0.04^cD	3.02±0.16^bB	3.23±0.04^aC
	2 day	0.41±0.01^dC	2.56±0.07^cB	3.23±0.09^bB	3.31±0.08^abC	3.43±0.06^aC	0.41±0.01^dC	1.64±0.06^cC	2.44±0.08^bB	3.23±0.09^aA	3.31±0.08^aC
	3 day	0.43±0.08^eB	2.84±0.09^dA	3.31±0.09^cB	3.43±0.06^bB	3.57±0.02^aB	0.43±0.08^eB	1.91±0.04^dB	2.33±0.02^cC	3.31±0.18^bA	3.43±0.06^aB
	4 day	0.46±0.01^dA	2.97±0.08^cA	3.55±0.08^bA	3.66±0.07^abA	3.72±0.08^aA	0.46±0.01^eA	2.04±0.03^dA	2.69±0.05^cA	3.33±0.09^bA	3.60±0.06^aA
p-value	Time	0.000					0.000
	Essential oil	0.000					0.000
	Time×Essential oil	0.000					0.000

For each essential oil, capital letters in each column represent significant differences (p<0.05).
For each essential oil, lowercase letters in each row represent significant differences (p<0.05).