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http://dx.doi.org/10.9799/ksfan.2013.26.3.339

Quality Characteristics of Pork Rectum according to Storage Temperature  

Oh, Nam-Goong (Dept. of Food Science & Technology, Korea National University of Transportation)
Jeong, Jae-Hyun (Dept. of Food Science & Technology, Korea National University of Transportation)
Choi, Ung-Kyu (Dept. of Food Science & Technology, Korea National University of Transportation)
Publication Information
The Korean Journal of Food And Nutrition / v.26, no.3, 2013 , pp. 339-344 More about this Journal
Abstract
This study is conducted to investigate the shelf life of pork rectum stored at refrigerated temperatures (1, 5 and $10^{\circ}C$). The pH of the boiled pork rectum ($7.1{\pm}0.1$) was slightly higher than that of the raw pork rectum ($6.7{\pm}0.1$). TBA value of the boiled pork rectum was higher than that of raw pork rectum. The TBA values of the raw and boiled pork rectum stored at $10^{\circ}C$ was rapidly increased at 4 days after beginning of preservation. The TBA values of raw and boiled pork rectum stored at $5^{\circ}C$ rapidly increased after 8 and 6 days after beginning of preservation, respectively. VBN values of both raw and boiled rectum preserved at $10^{\circ}C$ were maintained below 20 mg% for 8 days since the beginning of storage. Furthermore, it is preferred that the pork rectum was boiled for 20 minutes at $100^{\circ}C$ to restrain mesophiles, psychrophiles, and coliform bacteria effectively. Thus, the most desirable condition was when the pork rectum was consumed within 6 days and stored at $10^{\circ}C$.
Keywords
pork rectum; cold storage; TBA value; VBN values;
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Times Cited By KSCI : 3  (Citation Analysis)
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