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- Title
Effect of dietary lipid oxidation with vitamin C and E supplementation on fillet quality of red sea bream, Pagrus major (Temminck & Schlegel) during storage.
- Authors
Gao, Jian; Koshio, Shunsuke
- Abstract
An experiment was conducted to determine the effects of different levels of dietary vitamin C ( VC) and E ( VE) supplementation on fillet quality of red sea bream fed oxidized fish oil ( OFO). Fish with an average body weight of 205.0 g were fed four test diets for 9 weeks. Control diet contained fresh fish oil ( FFO) with 100 mg kg−1 of VE and 500 mg kg−1 of VC ( FFO100E/500C). The other three diets contained OFO with varying levels of VE (mg kg−1) and VC (mg kg−1) ( OFO100E/500C, OFO200E/500C and OFO200E/1000C). After feeding trial, two fillets from each fish by hand filleting were stored in a refrigerator at 4°C for 96 h during analyses. Results showed that fish fed OFO increased fillet thiobarbituric acid reactive substances ( TBARS) and K-value, and decreased fillet VC and VE concentrations during storage time. Supplementation of VC did not have any detectable effect on fillet quality. Increasing dietary VE supplementation increased fillet VE concentrations, reduced fillet TBARS and K-value values of red sea bream. Therefore, we suggest that dietary supplementation of 200 mg kg−1 of vitamin E could improve fillet oxidative stability of red sea bream fed OFO.
- Subjects
FISH lipids; NEMADACTYLUS macropterus; VITAMIN E in animal nutrition; FILTER feeding; FISH oils; FISH feeds; FROZEN fishery products; FISHES
- Publication
Aquaculture Research, 2015, Vol 46, Issue 10, p2382
- ISSN
1355-557X
- Publication type
Article
- DOI
10.1111/are.12395