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New bioactive metabolites isolated from sponge Hamigera hamigera
Wafaa H. B. Hassana*, Zeinab I. A. El-Sayeda and Peter Prokschb
A Zagazig University, Faculty of Pharmacy, Pharamcognosy Department, Egypt. bInstitute of Pharmaceutical Biology, Heinrich-Heine-University, University Street 1, 40225 D?sseldorf, Germany.
ABSTRACT: 24 ethyl-5a-cholest-7-en-3a-ol (1), trans-P-hydroxycinnamaldehyde (2), para-hydroxybenzaldehyde (3), hamigeramine A (new alkaloid, 4) and Hamiguanasinol A (new nucleoside, 5) were isolated from the sponge Hamigera hamigera and their structures were established on the basis of UV data, NMR analysis and mass spectra. The extracts showed activity in fish feeding assay and were inactive in brine shrimp and antimicrobial assay.
KEYWORDS: Hamigera hamigera; sterols; nucleoside; alkaloids brine shrimp; fish feeding assay
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| Copy the following to cite this article: Hassana W. H. B, El-Sayeda Z. I. A, Prokschb P. New bioactive metabolites isolated from sponge Hamigera hamigera. Biosci Biotechnol Res Asia 2007;4(2) |
| Copy the following to cite this URL: Hassana W. H. B, El-Sayeda Z. I. A, Prokschb P. New bioactive metabolites isolated from sponge Hamigera hamigera. Biosci Biotechnol Res Asia 2007;4(2). Available from: https://www.biotech-asia.org/?p=5842 |
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