A New Ferulic Acid Ester and Other Constituents from Tamarix nilotica Leaves
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概要
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Phytochemical investigation of the leaves of Tamarix nilotica (Tamaricaceae) has led to isolation of methyl ferulate 3-O-sulphate (1) for the first time from natural sources. In addition, coniferyl alcohol 4-O-sulphate (2), kaempferol 4′-methyl ether (3), tamarixetin (4) and quercetin 3-O-β-D-glucupyranuronide (5) were isolated from the n-butanol soluble fraction of the extract. The pentacyclic triterpenoid, 3α-(3″,4″-dihydroxy-trans-cinnamoyloxy)-D-friedoolean-14-en-28-oic acid (6) was isolated from the n-hexane soluble fraction of the extract. The structures of these compounds were determined on the basis of spectroscopic analyses including 2 dimensional NMR. Compounds 3, 4 and 6 exhibited 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity with IC50 values of 35.2, 37.0 and 21.2 μM, respectively.
- 公益社団法人 日本薬学会の論文
著者
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CHOUDHARY Muhammad
H.E.J. Research Institute of Chemistry, International Center for Chemical Sciences, University of Ka
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Choudhary Muhammad
H.e.j. Res. Inst. Of Chemistry International Center For Chemical And Biological Sciences Univ. Of Ka
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Ali Sajjad
H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, U
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Abouzid Sameh
Department of Pharmacognosy, Faculty of Pharmacy, Beni-Sueif University
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Ali Sajjad
H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi
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