Physical, Physicochemical, Mechanical, and Structural Characterization of Films Based on Gelatin/Glycerol and Carbon Nanotubes

Table 3

Texture parameters obtained by image analysis of films from gelatin/glycerol and carbon nanotubes.

Sample	DFS	Entropy	% area
GG	0.983 ± 0.01^a	7.120 ± 0.02^a	0.026 ± 0.01^a
GGNTC1	1.560 ± 0.02^b	9.212 ± 0.05^b	18.715 ± 1.04^b
GGNTC2	1.791 ± 0.01^c	10.189 ± 0.01^c	34.168 ± 0.43^c
GGNTC4	1.886 ± 0.01^d	10.414 ± 0.02^d	44.795 ± 0.43^d

Mean values of three measurements ± standard error.
Same letters after entries within each column indicate that there are no significant differences ().