The inhibition effects of both leaves and the seeds of the R. telianum extracts on acetylcholinesterase and butyrylcholinesterase, α-glycosidase and human carbonic anhydrases II isoenzyme enzymes, which associated with some global diseases including Alzheimer's disease, type-2 diabetes mellitus and glaucoma were determined. The gene discussed is BCHE; the disease is early-onset autosomal dominant Alzheimer disease.