Abstract Title:

Cholinesterase inhibitors from the roots of Harpagophytum procumbens.

Abstract Source:

Arch Pharm Res. 2014 ;37(9):1124-9. Epub 2013 Dec 28. PMID: 24374905

Abstract Author(s):

Yoon Ho Bae, To Dao Cuong, Tran Manh Hung, Jeong Ah Kim, Mi Hee Woo, Jeong Su Byeon, Jae Sue Choi, Byung Sun Min

Article Affiliation:

Yoon Ho Bae


Inhibition of cholinesterase has been proposed to be a therapeutic target for the treatment of Alzheimer's diseases. In our preliminary screening study on the acetylcholinesterase (AChE) inhibitory activity, an ethyl acetate soluble fraction of the roots of Harpagophytum procumbens (Pedaliaceae) was found to inhibit AChE activity at the concentration of 100μg/mL. Ten compounds (1-10) were isolated from the active fraction and evaluated for their inhibitory effect on AChE and butyrylcholinesterase (BChE). Among the isolates, verbascosides (5, 6, and 8) containing a caffeoyl and a 3,4-dihydroxyphenethyl groups in their structures, showed effective AChEinhibitory activity and also possessed BChE inhibitory activity. The findings suggest that verbascoside derivatives may be partially related to the anti-Alzheimer effect of this medicinal plant.

Study Type : In Vitro Study

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