In vitro Anticholinesterase Activity of Various Alkaloids

, 684Ð688 (2007); received March 15/May 2, 2007In the current study, a number of alkaloids including retamine, cytisine, and sparteine(quinolizidine-type), yohimbine and vincamine (indole-type), scopolamine and atropine (tro-pane-type), colchicine (tropolone-type), allantoin (imidazolidine-type), trigonelline (pyri-dine-type) as well as octopamine, synephrine, and capsaicin (exocyclic amine-type) weretested