. 2022 Apr 2;14:100300. doi: 10.1016/j.fochx.2022.100300

Table 1.

Physical properties of gelatin/frankincense (Ge/F) bilayer films incorporated with different Hyssopus oil (HO) and ascorbic acid (AA) concentrations*.

AA concentration (%v/v)	HO concentration (%v/v)	Thickness (mm)	Moisture content (%)	Water contact angle (˚)	WVP (×10^-11 g/s m Pa)	Water Solubility %
	0	0.152 ± 0.003^a	15.85 ± 0.04^a	54.44 ± 0.8 ^a	16.95 ± 0.27^a	20/0 ± 46/63
0	0.75	0.175 ± 0.002^b	15.62 ± 0.25^b	59.05 ± 0.26^b	14.81 ± 0.17^b	18 ± 45/52^b
	1.5	0.187 ± 0.001^c	15.20 ± 0.26^c	64.81 ± 0.3^c	12.21 ± 0.33^c	15/0 ± 15/53^c
	0	0.155 ± 0.003^a	15.91 ± 0.04^a	52.78 ± 0.26^d	16.84 ± 0.14^a	21/0 ± 05/24^a
1	0.75	0.175 ± 0.002^b	15.7 ± 0.03^b	56.53 ± 0.33^e	15.10 ± 0.56^b	18/0 ± 03/66^b
	1.5	0.188 ± 0.003^c	15.32 ± 0.12^c	58.54 ± 0.24^b	12.52 ± 0.53^c	16/0 ± 62/65^c
	0	0.154 ± 0.004^a	15.95 ± 0.11^a	49.92 ± 0.15^f	17.05 ± 0.65^a	21/0 ± 25/63^a
2	0.75	0.178 ± 0.002^b	15.66 ± 0.13^b	54.38 ± 0.77^a	14.95 ± 0.27^b	18/0 ± 78/45^b
	1.5	0.190 ± 0.003^c	15.28 ± 0.52^c	56.54 ± 0.32^e	12.03 ± 0.63^c	16/0 ± 02/36^c

* Reported values correspond to the mean ± standard deviation. Different letters in the same column indicate significant differences (p < 0.05).