Effect of dietary components and surface application of oleoresin rosemary on lipid stability of rainbow trout (Oncorhynchus mykiss) muscle during refrigerated and frozen storage

被引:25
作者
Akhtar, P [1 ]
Gray, JI [1 ]
Booren, AM [1 ]
Garling, DL [1 ]
机构
[1] Michigan State Univ, Dept Food Sci & Human Nutr, E Lansing, MI 48824 USA
关键词
D O I
10.1111/j.1745-4522.1998.tb00106.x
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The effect of dietary supplementation with alpha-tocopherol and surface application of oleoresin rosemary on the lipid stability of rainbow trout (Oncorhynchus mykiss) muscle during refrigerated storage (4C) and frozen storage (-20C) for 8 days and 6 months, respectively, was investigated. A significant (p<0.05) reduction in alpha-tocopherol concentrations in muscle tissue during frozen storage was observed The 2-thiobarbituric acid-reactive substances (TBARS) values of muscle samples, with or without surface application of oleoresin rosemary, increased during storage for all dietary groups. A significant (P<0.05) interaction between dietary treatments and the time of storage was observed Muscle tissue from fish receiving a dietary supplement of 500 mg/kg diet had the lowest TEARS values. The oxidative stability of the lipids was further improved by applying oleoresin rosemary to the surface of the fish fillets.
引用
收藏
页码:43 / 58
页数:16
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