Obtaining and Characterizing Alginate/k-Carrageenan Hydrogel Cross-Linked with Adipic Dihydrazide

Table 1

Samples composition: the uncross-linked films (oAC₁, oAC₂, oAC₃, oAC₄, and oAC₅) and the covalently cross-linked films (oAC_1adh, oAC_2adh, oAC_3adh,oAC_4adh, and oAC_5adh).

Sample	Oxidized alginate (g)	k-Carrageenan (g)	Glycerol (g)	Adipic dihydrazide (g)	Alginate content (%)
oAC1	1.5	1.5	2.5		50
oAC2	1	2	2.5		33
oAC3	2	1	2.5		67
oAC4	0.75	2,25	2.5		25
oAC5	2.25	0.75	2.5		75
oAC1adh	1.5	1.5	2.5	1.25	50
oAC2adh	1	2	2.5	1.25	33
oAC3adh	2	1	2.5	1.25	67
oAC4adh	0.75	2.25	2.5	1.25	25
oAC5adh	2.25	0.75	2.5	1.25	75