Effects of Zinc Oxide Nanoparticles on the Properties of Pectin/Alginate Edible Films

Table 1

Thickness and mechanical properties (tensile strength = TS; % elongation = %E) of P/AG films with various ZnO-NP contents.

ZnO-NP content (g/100 g of blended polymer)	Thickness (μm)	TS (MPa)	%E (%)
0	43.8 ± 2.11^d	21.71 ± 1.23^d	0.86 ± 0.04^c
0.5	52.4 ± 2.5^c	32.59 ± 1.6^c	1.89 ± 0.05^b
2.5	56.8 ± 2.83^b	36.43 ± 0.98^b	1.93 ± 0.05^b
5	58.1 ± 2.08^b	41.56 ± 1.94^a	2.32 ± 0.06^a
25	74.6 ± 3.25^a	12.79 ± 0.58^e	0.85 ± 0.04^c

Alphabets in a column indicate a significant difference at by Duncan’s multiple.