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Antibacterial activities of polyunsaturated fatty acid extracts from <i>Sardinella longiceps</i> and <i>Sardinella fimbriata</i>

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Title Antibacterial activities of polyunsaturated fatty acid extracts from Sardinella longiceps and Sardinella fimbriata
 
Creator Chitra Som, R S
Radhakrishnan, C K
 
Subject PUFA
EPA
DHA
Antibacterial Activity
Sardinella fimbriata
Sardinalla longiceps
 
Description 710-716
Polyunsaturated fatty acids (PUFA) content
of two species of fishes - Sardinella fimbriata
and Sardinella longiceps - was
examined and their antibacterial activities were compared. PUFA isolated from
the tissue extracts were used to conduct Antibacterial Sensitivity Tests on
pathogenic bacterial strains like Staphylococcus
aureus, Enterococcus faecalis, Escherichia coli, Klebsiella pnuemoniae,
Enterobacter aerogenes, Proteus vulgaris, Salmonella enterica and Pseudomonas
aeruginosa. These extracts were subjected to Gas Chromatography for the
quantitative analysis of PUFA. Extracts from both species showed inhibitory
effects on the strains of S. aureus, E. faecalis, E. coli and P. aeruginosa.
No inhibitory activities were observed on the strains of K. pnuemoniae, E. aerogenes,
P. vulgaris and S. enterica. S. fimbriata extract
showed a higher inhibitory effect on all the inhibited bacterial strains. Gas
Chromatography analysis revealed higher concentrations of docosahexaenoic acid
(DHA) in the extracts from S. fimbriata
as compared to S. longiceps. The differences between the
antibacterial activities of the two extracts could be attributed to the
disparity in DHA content.
 
Date 2011-11-18T04:31:49Z
2011-11-18T04:31:49Z
2011-10
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/13083
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.40(5) [October 2011]