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

Table 3

Selection of WPI concentration as a second base ingredient.

WPI variation (% )	Thickness (mm)	Moisture content (%)	Solubility (%)			Opacity	Color	Tensile strength (kgf/cm)	Elongation at break (%)
			5°C	25°C	50°C		value
0.25	^d	^a	^a	^a	^a	^d	^a	^d	^a
0.50	^c	^b	^b	^b	^b	^c	^b	^c	^b
1.0	^b	^d	^c	^c	^c	^b	^c	^b	^d
2.0	^a	^c	^d	^d	^d	^a	^d	^a	^c

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