Mechanical Strength, Solubility, and Functional Studies of Developed Composite Biopolymeric Film

Table 4

Selection of glycerol concentration as a plasticizer.

Glycerol variation (% )	Thickness (mm)	Moisture content (%)	Solubility (%)			Opacity	Color	Tensile strength (kgf/cm)	Elongation at break (%)
			5°C	25°C	50°C
2.0	^a	^a	^a	^a	^a	^a	^a	^a	^a
2.5	^b	^b	^b	^b	^b	^b	^b	^b	^b
3.0	^c	^c	^c	^c	^c	^c	^c	^c	^c
3.5	^d	^d	^d	^d	^d	^d	^d	^d	^d
4.0	^e	^e	^e	^e	^e	^e	^e	^e	^e

Results are expressed as mean deviation of three determinations. Means in column with different superscript letters differ significantly ().