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First isolation of a flavonoid from Juniperus procera using ethyl acetate extract
Authors:Adil A Mujwah  Mohammed A Mohammed  Mohammed H Ahmed
Institution:1. Department of Chemistry, Teachers College, King Saud University, P.O. Box 4341, Riyadh 11491, Saudi Arabia;2. Department of Chemistry, Faculty of Science, Sudan University of Science and Technology, Khartoum, Sudan;3. Department of Chemistry, Faculty of Science and Technology, Ummdurman Islamic University, Sudan
Abstract:Phytochemical investigation of the ethyl acetate extract of the leaves of Juniperus procera growing in south Saudi Arabia Enemas region led to the isolation of a new flavonoid using different chromatographic methods (i.e. paper, thin layer and column chromatography). The isolated flavonoid was identified and established by m.p., 1H-NMR, 13C-NMR, UV and MS spectral analysis. The isolated compound was identified as 3′,4′,3,7-tetrahydroxyflavone.
Keywords:Isolation"}  {"#name":"keyword"  "$":{"id":"cekeyw30"}  "$$":[{"#name":"text"  "_":"Extraction  Phenolic compound  Flavonoids
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