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IJMS Vol.31(3) [September 2002] >


Title: Antimicrobial activity in the tissue extracts of five species of cowries Cypraea spp. (Mollusca: Gastropoda) and an ascidian Didemnum psammathodes (Tunicata: Didemnidae)
Authors: Anand, T. Prem
Edward, J. K. Patterson
Keywords: Marine natural products
antibacterial
molluscs
ascidians
Issue Date: Sep-2002
Publisher: CSIR
Abstract: Five species of Cypraea (Cypraea errones, C. arabica, C. onyx, C. tigris and C. vitellus) were assayed for their antibacterial and antifungal activity against 15 bacterial pathogens and 3 fungal pathogens. Antibacterial and antifungal activities were exhibited only by C. errones extracts. An ascidian, Didemnum psammathodes, the principal diet of C. errones was also assayed for antimicrobial activity to evaluate whether the activity exhibited by C. errones was derived from its diet. The ascidian extract exhibited broad-spectrum antibacterial activity. Chromatographic fractionation of the extracts of C. errones and Didemnum psammathodes confirmed that the activity exhibited by C. errones was not diet derived.
Page(s): 239-242
ISSN: 0379-5136
Source:IJMS Vol.31(3) [September 2002]

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