Utilization of Chicken By-Products to Form Collagen Films

Table 1

Collagen solubility in different pH values.

Sample ID	Protein content (mg/mL)^a
pH 2	0.16 ± 0.51
pH 4	0.05 ± 0.08
pH 6	0.05 ± 0.07
pH 8	0.04 ± 0.04
pH 10	0.08 ± 0.07

Mean of two observations.