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http://dx.doi.org/10.5536/KJPS.2010.37.1.035

Effect of Combination of Chitosan Coating and Gamma Irradiation on the Foodborne Pathogen Reduction and Nutritional Properties of Chicken Egg  

Kim, Hyun-Joo (Department of Food Science and Technology, Chung-Ang University)
Yun, Hye-Jeong (Department of Animal Science and Biotechnology, Chungnam National University)
Jung, Samooel (Department of Animal Science and Biotechnology, Chungnam National University)
Jung, Yeon-Kuk (Department of Animal Science and Biotechnology, Chungnam National University)
Ham, Jun-Sang (Division of Quality Control and Utilization, National Institute of Animal Science)
Jin, Shil (Department of Animal Science and Biotechnology, Chungnam National University)
Jo, Cheorun (Department of Animal Science and Biotechnology, Chungnam National University)
Publication Information
Korean Journal of Poultry Science / v.37, no.1, 2010 , pp. 35-41 More about this Journal
Abstract
The effect of combination of chitosan coating and gamma irradiation on Escherichia coli inactivation and nutritional properties of shell egg was investigated. The E. coli inoculated on shell egg was not detected by 2 kGy of gamma irradiation at day 0 and/or chitosan coating (1%, pH 5.0) after 3 days of storage. There was no E. coli detected thereafter. In the contents of moisture, crude fat, crude protein, ash, retinol, phospholipid, and minerals, no difference was found by treatment combination. However, the contents of cholesterol and carotenoids were reduced by irradiation of 2 kGy (P<0.05). Results suggest that the combination of gamma irradiation (2 kGy) and chitosan coating (1%) can be a good method to improve the safety and prolonged shelf-life of egg because of effective pathogen inactivation without significant adverse changes in nutritional quality.
Keywords
Gamma irradiation; chitosan-coating; egg; E. coli; nutritional quality;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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