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Antimicrobial activity of chitosan incorporated with lemon and oregano essential oils on broiler breast meat during refrigerated storage

Antimicrobial activity of chitosan incorporated with lemon and oregano essential oils on broiler... PurposeThe purpose of this study is to evaluate antimicrobial activity of chitosan incorporated with lemon and oregano essential oils on broiler breast meat during refrigerated storage.Design/methodology/approachIn this experimental study, antibacterial effect of lemon and oregano essential oils was measured using the microdilution method for four foodborne pathogenic bacteria. The effect of 0.5, 1 and 2 per cent (Wt./Vol.) essential oils with chitosan 2 per cent on microbial quality of broiler breast meat (slaughter age: 42 days), up to 9 days’ storage time in 4 ± 1°C temperature was evaluated. Also, organoleptic characteristics of meat samples in certain storage time were examined.FindingsThe minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) for lemon and oregano essential oils ranged between 1.41 and 11.25 and 2.81 and 22.5 mg/mL, respectively. In the treatment groups, A decrease in total mesophilic bacterial count (TMBC) was observed up to sixth day, but TMBC increased on the ninth day. Decrease in lactic acid bacteria, Enterobacteriaceae, mold and yeast in the treatment groups was observed compared with the control group up to the ninth day (p < 0.01). Overall, chicken meat containing 1 per cent lemon essential oil with chitosan had a greater acceptance rate (p < 0.01).Originality/valueIn recent years, active packaging containing essential oils have been used to maintain the quality and increase the shelf life of various types of meat, chicken, fish, shrimp, fruits, etc. Therefore, it can be suggested that using chitosan in combination with the aforementioned essential oils in combination might increase shelf life of chicken meat during refrigerated storage. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nutrition & Food Science Emerald Publishing

Antimicrobial activity of chitosan incorporated with lemon and oregano essential oils on broiler breast meat during refrigerated storage

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0034-6659
DOI
10.1108/NFS-08-2016-0123
Publisher site
See Article on Publisher Site

Abstract

PurposeThe purpose of this study is to evaluate antimicrobial activity of chitosan incorporated with lemon and oregano essential oils on broiler breast meat during refrigerated storage.Design/methodology/approachIn this experimental study, antibacterial effect of lemon and oregano essential oils was measured using the microdilution method for four foodborne pathogenic bacteria. The effect of 0.5, 1 and 2 per cent (Wt./Vol.) essential oils with chitosan 2 per cent on microbial quality of broiler breast meat (slaughter age: 42 days), up to 9 days’ storage time in 4 ± 1°C temperature was evaluated. Also, organoleptic characteristics of meat samples in certain storage time were examined.FindingsThe minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) for lemon and oregano essential oils ranged between 1.41 and 11.25 and 2.81 and 22.5 mg/mL, respectively. In the treatment groups, A decrease in total mesophilic bacterial count (TMBC) was observed up to sixth day, but TMBC increased on the ninth day. Decrease in lactic acid bacteria, Enterobacteriaceae, mold and yeast in the treatment groups was observed compared with the control group up to the ninth day (p < 0.01). Overall, chicken meat containing 1 per cent lemon essential oil with chitosan had a greater acceptance rate (p < 0.01).Originality/valueIn recent years, active packaging containing essential oils have been used to maintain the quality and increase the shelf life of various types of meat, chicken, fish, shrimp, fruits, etc. Therefore, it can be suggested that using chitosan in combination with the aforementioned essential oils in combination might increase shelf life of chicken meat during refrigerated storage.

Journal

Nutrition & Food ScienceEmerald Publishing

Published: May 8, 2017

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