Abstract
From Punica granatum heartwood two new ellagic acid rhamnosides, 3-O-methylellagic acid 4-O-α-L-rhamnopyranoside (1) and 3,4’-O-dimethylellagic acid 4-O-α-L-rhamnopyranoside (2) were isolated together with brevifolincarboxylic acid, 3-O-methylellagic acid and 4,4’-O-dimethylellagic acid.
References
- 1 Haslam E. Practical polyphenolics. Cambridge; Cambridge University Press 1998
- 2
Haslam E, Lilley T H, Cai Y, Martin R, Magnolato D.
Traditional herbal medicines - the role of polyphenols.
Planta Medica.
1989;
55
1-8
- 3
Okuda T, Yoshida T, Hatano T.
Ellagitannins as active constituents of medinical plants.
Planta Medica.
1989;
55
117-22
- 4
El-Toumy S AA, Marzouk M S, Rauwald H W.
Ellagi- and gallotannins from Punica granatum heartwood.
Pharmazie.
2001;
56
823-4
- 5
Bate-Smith E C.
Detection and determination of ellagitannins.
Phytochemistry.
1972;
11
1153-6
- 6
Hillis W E, Zazak Y.
Properties of some methylellagic acids and their glycosides.
Phytochemistry.
1973;
12
2963-8
- 7
Sato T.
Spectral differentiation of 3,3′-di-O-methylellagic acid from 4,4′-O-methylellagic acid.
Phytochemistry.
1987;
26
2124-5
- 8 Briggs L H, Cambie R C, Lowong J B, Shealy R N. Constituents of Eugenia maire A. Cunn. Part I. A trimethyl ether of ellagic acid and mairin, a new triterpene. Journal
of the Chemical Society 1961: 642-5
- 9
Yang S W, Zhou B N, Wisse J H, Evans R, Van der Werff H, Miller J, Kingston D G.
Three new ellagic acid derivatives from the bark of Eschweilera coriacea from the Suriname rainforest.
Journal of Natural Products.
1998;
61
901-6
- 10
Abou-Zaid M M, Nozzolillo C.
1-O-Galloyl-α-L-rhamnose from Acer rubrum
.
Phytochemistry.
1999;
52
1629-31
- 11
Li X C, Elsohly H N, Hufford C D, Clark M.
NMR assignments of ellagic acid derivatives.
Magnetic Resonance in Chemistry.
1999;
37
856-9
- 12
Nawwar M AM, Hussein S AM, Merfort I.
NMR spectral analysis of polyphenols from Punica granatum
.
Phytochemistry.
1994;
36
793-8
- 13 Boulos L. Medicinal Plants of North Africa. Reference Publications Michigan; 1983
Prof. Dr. Hans W. Rauwald
Institut für Pharmazie, Pharmazeutische Biologie
Universität Leipzig
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