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Cholesterol oxidation products in irradiated raw meat with different packaging and storage time
Cited 61 time in
Web of Science
Cited 67 time in Scopus
- Authors
- Issue Date
- 2001-08
- Publisher
- Elsevier BV
- Citation
- Meat Science, Vol.58 No.4, pp.431-435
- Abstract
- The effect of irradiation and packaging conditions on the formation of cholesterol oxidation products (COPs) as well as lipid oxidation products was determined in raw turkey leg, beef, and pork loin meat during 7 days of storage. Ground turkey leg, beef, and pork loin muscles were prepared as patties. The patties were individually packaged either in oxygen-permeable or impermeable bags, irradiated at 0 or 4.5 kGy using a Linear Accelerator, and stored at 4 degreesC. The COPs such as 7 alpha -hydroxycholesterol, 7 beta -hydroxycholesterol, and 7-ketocholesterol were detected in fresh raw meats at 0 day at the level of 10.9 to 49.2 mug/g lipid. After 7 days of storage, other COPs such as epoxides, 20 alpha -hyroxycholesterol, and choletanetriol were formed in mainly aerobically packaged and irradiated raw meats. Packaging effect was more crucial on the cholesterol and lipid oxidation than irradiation. In aerobically packaged and irradiated meats, turkey leg muscles had higher COPs value than beef or pork did. COPs and thiobarbituric acid reactive substances (TBARS) values had a strongly positive correlation in turkey leg and pork. But, cholesterol oxidation in beef proceeded in irradiated and aerobically stored samples despite of its low level of TEARS value. (C) 2001 Elsevier Science Ltd. All rights reserved.
- ISSN
- 0309-1740
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Related Researcher
- College of Agriculture and Life Sciences
- Department of Agricultural Biotechnology
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