Leufolins A and B, potent butyrylcholinesterase-inhibiting flavonoid glucosides from Leucas urticifolia

Autor: Abdul Malik, Lubna Iqbal, Sher Bahadar Khan, Mehreen Latif, Atia-tun-Noor, Nighat Afza, Itrat Fatima, Ijaz Ahmad
Rok vydání: 2007
Předmět:
Zdroj: ResearcherID
Molecules, Vol 12, Iss 7, Pp 1447-1454 (2007)
Molecules; Volume 12; Issue 7; Pages: 1447-1454
ISSN: 1420-3049
Popis: New flavonoidal glucosides leufolins A ( 1 ) and B ( 2 ), have been isolated from the ethyl acetate soluble fraction of the whole plants of Leucas urticifolia . Their structures were elucidated on the basis of extensive analysis of nuclear magnetic resonance (1D and 2D NMR) spectral data. Both of these compounds exhiited significant inhibitory potential against the enzyme butyrylcholinesterase. Keywords: Leucas urticifolia, Lamiaceae, Leufolin A, Leufolin B, Butyrylcholinesterase, Inhibitory activity __________________________________________________________________________________ Introduction The genus Leucas , belonging to the family Lamiaceae, comprises about 100 species. In the Indo-Pakistani subcontinent, the genus is represented by 35 species which are mostly herbs or undershrubs found in temperate or hilly regions [1]. L. urticifolia is an annual herb which is commonly found in Karachi and other parts of Sind province of Pakistan. It is astringent, stimulant, haemostatic
Databáze: OpenAIRE