Table 1.

Population doubling time (PDT), cell proliferation rate (r) and viability of mouse embryonic fibroblast (MEF) cells cultured in the absence or presence of chitosan-chromone derivative at different concentrations.

Concentration (μg/mL)	PDT (h)	r/day	Viability (%)
0	21.33 a	0.81 a	97.53 a
20	21.04 a	0.82 a	96.70 a
40	20.48 a	0.85 a	97.67 a
80	18.96 a	0.93 a	96.34 a
120	20.76 a	0.84 a	96.81 a
800	21.94 a	0.78 a	97.75 a

Three replicates were performed. Values with same superscript (a) within column did not differ significantly (p > 0.05).