Lipid and protein oxidation of α-linolenic acid-enriched pork during refrigerated storage as influenced by diet supplementation with olive leaves (Olea europea L.) or α-tocopheryl acetate

被引:42
作者
Botsoglou, Evropi [1 ]
Govaris, Alexander [1 ]
Ambrosiadis, Ioannis [2 ]
Fletouris, Dimitrios [3 ]
机构
[1] Univ Thessaly, Fac Vet Med, Lab Hyg Foods Anim Origin, Kardhitsa 43100, Greece
[2] Aristotle Univ Thessaloniki, Fac Vet Med, Lab Food Technol, Thessaloniki 54124, Greece
[3] Aristotle Univ Thessaloniki, Fac Vet Med, Lab Milk Hyg & Technol, Thessaloniki 54124, Greece
关键词
Olive leaves; Linseed oil; Lipid oxidation; Protein oxidation; alpha-Tocopheryl acetate; Cooked pork; DRY-CURED LOIN; SENSORY CHARACTERISTICS; FATTY-ACIDS; LINSEED OIL; VITAMIN-E; ANTIOXIDANT CAPACITY; LONGISSIMUS-DORSI; STABILITY; MEAT; PEROXIDATION;
D O I
10.1016/j.meatsci.2012.05.022
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The objective of this study was to evaluate the effect of diet supplementation with olive leaves or alpha-tocopheryl acetate on lipid and protein oxidation of raw and cooked n-3 enriched-pork during refrigerated storage. Enrichment of pork with alpha-linolenic acid through diet supplementation with linseed oil enhanced (p <= 0.05) lipid oxidation in both raw and cooked chops but had no effect (p>0.05) on protein oxidation during refrigerated storage while decreasing (p <= 0.05) the sensory attributes of cooked pork. Diet supplementation with olive leaves or alpha-tocopheryl acetate had no effect (p>0.05) on the fatty acid composition of pork but decreased (p <= 0.05) lipid oxidation while exerting no effect (p>0.05) on protein oxidation in both raw and cooked alpha-linolenic acid-enriched chops stored and chilled for 9 days. Moreover, olive leaves and alpha-tocopheryl acetate supplemented at 10 g/kg and 200 mg/kg diet, respectively, exerted (p <= 0.05) a beneficial effect on the sensory attributes of cooked alpha-linolenic acid-enriched pork chops. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:525 / 532
页数:8
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