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, 49 (1), 109-14

Synergistic Effect of Nisin and Cone Essential Oil of Metasequoia Glyptostroboides Miki Ex Hu Against Listeria Monocytogenes in Milk Samples

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Synergistic Effect of Nisin and Cone Essential Oil of Metasequoia Glyptostroboides Miki Ex Hu Against Listeria Monocytogenes in Milk Samples

Jung In Yoon et al. Food Chem Toxicol.

Abstract

This study was undertaken to evaluate the effect of nisin and cone essential oil of Metasequoia glyptostroboides against Listeria monocytogenes ATCC 19116 inoculated in whole (8%), low (1%) and skim (no fat content) milks. Essential oil at the concentrations of 2% and 5% revealed strong antilisterial effect against L. monocytogenes ATCC 19116 in all categories of milks. Nisin at the concentrations of 250 and 500 IU/ml displayed a remarkable antilisterial effect as compared to the control group. Also, the synergistic combinations of cone essential oil (1% and 2%) and nisin (62.5, 125, 250 and 500 IU/ml) had a remarkable antilisterial activity in all categories of whole, low and skim milks after 14 days. Results of this study indicate that the cone essential oil of M. glyptostroboides might be a useful candidate for using in food industry to control the growth of pathogenic microorganisms.

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