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Essential Oil from Five Zingiberaceae For Anti Food-Borne Bacteria.

Natta, L. and Krittik, N. and Pantip, B. and Orapin, K. (2008) Essential Oil from Five Zingiberaceae For Anti Food-Borne Bacteria. International Food Research Journal, 15 (3). ISSN 1985-4668

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Essential oil from five Zingiberaceae species: ginger (Zingiber officinale Roscoe.), galanga (Alpinia galanga Sw.), turmeric (Curcuma longa L.), kaempferia (Boesenbergia pandurata Holtt.) and bastard cardamom (Amomum xanthioides Wall.) obtained by hydrodistillation and two solvent extractions (petroleum ether and ethanol) was characterized. Their antibacterial effects towards Escherichia coli, Staphylococcus aureus, Bacillus cereus and Listeria monocytogenes were tested by a disc diffusion assay. Essential oil of kaempferia and bastard cardamom obtained by hydrodistillation extraction could inhibit growth of all tested bacteria. Essential oil of ginger extracted by hydrodistillation had the highest efficiency against three positive strains of bacteria (S. aureus, B. cereus and L. monocytogenes), with a minimum concentration to inhibit B. cereus and L. monocytogenes of 6.25 μg/ml. Volatile compounds of all extracts were analyzed by gas chromatographymass spectrometry (GC-MS). The major components of ginger, galanga, turmeric, kaempferia, and bastard cardamom obtained by hydrodistillation, were zingiberene, methyl chavicol, turmerone, γ-terpinene, and methyl chavicol, respectively.

Item Type:Article
Faculty or Institute:Faculty of Food Science and Technology
ID Code:736
Deposited By: Yusfauhannum Mohd Yunus
Deposited On:26 Nov 2008 01:24
Last Modified:27 May 2013 14:50

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