Phytochemical Investigation on the Leaves of Laggera Tomentosa (Ethanol Extract)

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Date

2006-07

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Addis Ababa Universty

Abstract

Laggera tomentosa is a perennial fragrant bushy herb endemic plant of Ethiopia. Chemical investigation on the ethanol extract of the leaves resulted in the isolation of one sesquiterpene and two flavones namely, 3-(3’- acetoxy-2’- hydroxy-2’-methyl butyryl)- cuauhtemone(LTE-3), 3’, 5, 6-trihydroxy -3, 4’, 7- Trimethoxyflavone (LTE-5), 3’, 4’, 5, 7-tetrahydroxy -3, 6- dimethoxyflavone (LTE-6). Of these LTE-3 and LTE-6 were not reported before to the best of our knowledge. The structures of the isolated compounds were established by spectroscopic techniques and chemical correlation.

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Keywords

Laggera tomentosa

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