ACHE and Cognitive impairment: According to this result, another in vitro screening of 20 methanol extracts of ayurvedic medicinal plants used for cognitive disorders highlighted that Nj was among the most powerful AChE inhibitors (IC50 40.5 vs. 0.075 μg/mL of the positive control physostigmine) [47] with IC50 value in the same order of that found in the present study (IC50 67.15 μg/mL).