[Retracted] Process Optimization for Development of Guar Gum-Based Biodegradable Hydrogel Film Using Response Surface Methodology

Table 5

Validation of developed natural gum-based hydrogel film.

Responses	Predicated values	Actual value	% Error
Biodegradation (% weight loss)	21.4	20.8	2.99
Color difference (∆E)	5.4	5.6	3.19
Hardness (N)	122.9	121.5	1.21
Swelling index (%)	213.4	213.2	0.11
Film transparency (per mm thickness) %	59.3	59.4	0.15