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KMID : 0525720090140030143
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Journal of Chitin and Chitosan
2009 Volume.14 No. 3 p.143 ~ p.148
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Effects of Storage Temperature on Quality of Eggs Coated with Chitosan
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Ryu Kyeong-Nam
Kim Su-Hyun
No Hong-Kyoon
Witoon Prinyawiwatkul
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Abstract
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Effects of different storage temperatures (25, 10 and 4oC) on selected internal quality of chitosan-coated eggs were evaluated during 18 wk of storage. The Haugh unit values suggested that chitosan coating preserved the albumen quality of eggs for about 2 wk longer than observed for the noncoated eggs at 25 and 10oC. At 4oC storage temperature, there was, however, no notable advantage of chitosan coating in preserving the albumen quality of eggs because both noncoated and chitosan-coated eggs maintained the initial AA grade during 18 wk of storage. Chitosan coating and refrigerated storage were both effective in minimizing weight loss of eggs. Decreasing albumen weight and increasing yolk weight with increasing storage periods could be retarded by either refrigerated storage, particularly at 4oC or chitosan coating.
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KEYWORD
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Chitosan-coated egg, Haugh unit, Quality, Storage temperature, Weight Loss
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