Table 7.

Percentage absorption and inhibition of curcumin, formulation, and diclofenac sodium by HRBC membrane stabilization method.

Concentration µg/ml	Percentage absorption %	Percentage protection %
Curcumin
200	0.037	28 ± 0.5*
400	0.023	38.6 ± 0.5*
600	0.018	52.0 ± 1.0*
Formulation
200	0.026	30.3 ± 0.5*
400	0.022	41.6 ± 0.5*
600	0.015	59.6 ± 0.5*
Diclofenac sodium
200	0.021	43.6 ± 0.5*
400	0.020	46.0 ± 1.0*
600	0.011	70.6 ± 0.5*

*The mean difference is significant at p ≤ 0.05 level. One way ANOVA followed by LSD post hoc test was applied for checking statistical significance.