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Antibacterial phenolics from the mangrove Lumnitzera racemosa

DRS at CSIR-National Institute of Oceanography

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Title Antibacterial phenolics from the mangrove Lumnitzera racemosa
 
Creator DeSouza, L.
Wahidullah, S.
PrabhaDevi
 
Subject Antibacterial phenolics
Lumnitzera racemosa
mangrove
bactericidal activity
 
Description Antimicrobial activity of the methanolic extract and fractions of Lumnitzera racemosa was evaluated against fungi, virus and pathogenic bacteria. Crude methanolic extract and n-butanol fraction were ineffective against fungi and virus tested but exhibited significant bactericidal activity on all the bacteria tested. Flavonoids, quercetin and myricetin are the main active constituents with quercitrin, quercetin-3O-hexoside, kaempferol 4’-methyl ether, kaempferol-3,4?dimethyl ether, and bi-isorhamnetin and myricetin-7O-methylether(3 - 8”)quercetin -3O-rhamnoside, which are also constituents of the active fraction being partly responsible for the observed activity. Myricetin showed the most potent activity (MIC - 1.5 mu g/ml) against Pseudomonas aeruginosa being markedly active against others (MIC - 6 mu g/ml). Based on the current findings it can be concluded that this plant has antibacterial activity
 
Date 2010-08-02T11:40:38Z
2010-08-02T11:40:38Z
2010
 
Type Journal Article
 
Identifier Indian Journal of Marine Sciences, vol.39(2); 294-298
http://drs.nio.org/drs/handle/2264/3679
 
Language en
 
Publisher NISCAIR, CSIR