Table 3.

Light transmittance of the films

Samples	Light transmission/%
	350 nm	400 nm	500 nm	600 nm	700 nm	800 nm
GEL	62.47 ± 0.13	80.35 ± 0.89	87.36 ± 0.11	88.02 ± 0.14	89.06 ± 0.95	89.67 ± 0.82
GEL/HPMC	20.58 ± 0.54	40.12 ± 0.42	68.29 ± 0.59	74.07 ± 0.36	77.15 ± 0.17	77.92 ± 0.86
GEL/CMC	57.89 ± 0.47	65.96 ± 0.12	85.30 ± 0.62c	86.61 ± 0.82	87.14 ± 0.76	87.53 ± 0.39
GEL/HPMC/CMC-1	11.34 ± 0.24	18.68 ± 0.25	32.56 ± 0.16	38.73 ± 0.94	46.74 ± 0.47	59.34 ± 0.83
GEL/HPMC/CMC -2	25.39 ± 0.92	36.42 ± 0.33	52.56 ± 0.63	58.75 ± 0.48	64.10 ± 0.71	70.11 ± 0.36
GEL/HPMC/CMC-3	55.21 ± 0.14	64.12 ± 0.78	71.13 ± 0.35c	80.16 ± 0.37	81.41 ± 0.34	82.85 ± 0.96