A Novel Method for Preparation of Carrageenan/Fish Scale Collagen/Allopurinol Biocomposite Film

Table 1

Vibrations of some functional groups of allopurinol, collagen, carrageenan, and CCA biocomposite films.

Sample	Vibration
	Allopurinol	3165; 3074	2917; 2897	—	1765; 1694	1580	1226	1069
	Collagen	3277; 3072	2934	—	1630	1538	1238	1081
Carrageenan	3391	2930	—	1633	—	1223	1036
CCA5	3308; 3079	2946; 2865	1973	1758; 1649	1555	1227	1065
CCA10	3328; 3076	2992; 2848	1963	1766; 1697	1583	1228	1066
CCA15	3324; 3076	2936; 2851	1968	1766; 1696	1581	1227	1066