Food Science and Technology Research
Online ISSN : 1881-3984
Print ISSN : 1344-6606
ISSN-L : 1344-6606
Original papers
Effects of Humidity-stabilizing Sheets on the Quality of Bigeye Tuna Meat (Thunnus obesus) during Refrigerated Storage
Katsunori SAITOAbdulatef M. AHHMEDSatoshi KAWAHARAYasushi SUGIMOTOTakayoshi AOKIMichio MUGURUMA
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2009 Volume 15 Issue 3 Pages 283-292

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Abstract

This study focused on the effects of a humidity-stabilizing sheet (HSS) containing different levels of glycerol (humectant) and a drip-absorbing sheet (DAS) on quality parameters of frozen/thawed bigeye tuna meat stored in sealed containers at 4°C for 3 days. As the glycerol concentration increased, the humidity around samples and increases in volatile basic nitrogen (VBN) were suppressed, while the weight loss percentage and total ATP-related compounds (t-ARCs) were increased. Tuna portions wrapped with HSS and DAS and then unwrapped showed no difference in Hunter color values L*, a*, and b* or K values. Wrapping tuna samples with any kind of sheet seemed to effectively maintain the initial values of thiobarbituric acid reactive substances (TBARS) and metmyoglobin percentage (Met-Mb%). Based on the analysis of these parameters, we conclude that HSS is a good packaging material that can be employed in the preservation of frozen/thawed, chilled tuna meat.

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© 2009 by Japanese Society for Food Science and Technology
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