Assessment of Lemon Balm (Melissa officinalis L.) Hydrogels: Quality and Bioactivity in Skin Cells

Table 2

Results of quality control testing in gels.

Quality parameter	Gels
	N1	N2	N3	N4	N5	N6	N7	N8	N9
pH value	7.45 ± 0.22	7.62 ± 0.31	7.75 ± 0.18	7.35 ± 0.21	7.20 ± 0.19	7.08 ± 0.13	5.84 ± 0.15	6.14 ± 0.27	6.32 ± 0.30
Dynamic viscosity, Pa s	2.45 ± 0.12	3.51 ± 0.08	3.86 ± 0.10	2.64 ± 0.14	2.90 ± 0.08	2.98 ± 0.03	0.01 ± 0.01	0.07 ± 0.01	0.61 ± 0.08