Table 1.

Formulation of the polymer solutions used for scaffold preparation.

Formulation 1	Ao	Ag	Bo	Bg
Salmon gelatin (% w/v)	0.375	0.375	0.375	0.375
Sodium alginate (% w/v)	0.375	0.375	0.375	0.375
Agar (% w/v)	0.250	0.250	-	-
Agarose (% w/v)	-	-	0.250	0.250
Glycerol (% w/v)	-	0.100	-	0.100

¹ For each formulation name, the letters mean the following: (i) A or B: agar or agarose as gelling excipient, respectively; (ii) g or o: with or without glycerol as plasticizer, respectively.