Table 4.

Rheological data obtained by the characterization of the five tested HA hydrogels at 25 °C and at a frequency value of 1 Hz. Data are represented as averages and relative standard deviation percentage (RSD %).

Product	G’ (Pa)	G’’ (Pa)	tan δ
22 mg/mL	46.39 ± 3.53	22.72 ± 6.91	0.49 ± 3.39
24 mg/mL	92.17 ± 6.12	39.96 ± 5.62	0.43 ± 4.73
26 mg/mL	100.75 ± 4.87	43.77 ± 7.13	0.43 ± 3.07
28 mg/mL	160.30 ± 8.62	73.98 ± 8.75	0.46 ± 4.92
Not cross-linked	3.04 ± 6.71	12.99 ± 10.22	4.27 ± 5.16