BCHE and nervous system disorder: The neurological effects of S. miltiorrhiza, such as anti-Alzheimer’s, through the inhibition of cholinesterase [20], β-secretase [16], and amyloid β (Aβ) aggregation [50]; the attenuation of brain edema and protection of the BBB [51]; and the protection of dopaminergic neurons against neurotoxins [22,25], have highlighted the potential of its constituents in neurological disorders.