highly significantp < 0.001
Cell scoring analysis indicated 5 ± 2.3%, 11.4 ± 5% and 100% cell deaths in N2a cells treated with 10, 25 and 50 μM of curcumin respectively and the difference between the treatments is highly significant, p < 0.001, n = 4, H = 43.49 ( Fig. 1d ).