Table 1.

Physicochemical characteristics of OG + HA stored at room temperature for 90 days.

Time (Days)
Room (25–30 °C)	0	7	15	30	45	60	90
pH	6.9 + 0.03	6.7 + 0.01	6.1 + 0.012	6.3 + 0.005	5.9 + 0.002	6.0 + 0.05	5.7 + 0.004
Concentration HA (µg/mL)	11.22 + 0.001	6.02 + 0.013	8.92 + 0.003	7.61 + 0.030	5.19 + 0.01	6.11 + 0.002	6.61 + 0.003
Concentration HA (%)	100	60.80	90.10	76.86	52.42	61.71	66.76