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Effects of non-fish based raw materials on the fish muscle quality of salmonids

Pan, Jinfeng (2013). Effects of non-fish based raw materials on the fish muscle quality of salmonids. Diss. (sammanfattning/summary) Uppsala : Sveriges lantbruksuniv., Acta Universitatis Agriculturae Sueciae, 1652-6880 ; 2013:91
ISBN 978-91-576-7920-8
eISBN 978-91-576-7921-5
[Doctoral thesis]

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Salmonids are considered as fatty fish and a healthy food. They are characterized by a high proportion of n-3 long chain polyunsaturated fatty acids (n-3 LCPUFA). There is
great interest in producing high-quality salmonids with a reduced use of fish-based materials and a challenge to adjust feeds towards more sustainable.

This thesis investigated the effects of sesamin, linseed oil (LO), rapeseed oil (RO),krill oil (KO), krill meal(KM), mussel meal (MM), and zygomycete meal (ZM)(Rhizopus oryzae) on fish performance, fatty acid profiles, carotenoids, cytochrome P450 (CYP450) and, colour properties and oxidation in the white muscle of Atlantic salmon (Salmo salar L), rainbow trout (Oncorhynchus mykiss) and Arctic charr (Salvelinus alpinus).

No negative effects on fish performance were found when KM, KO, MM, ZM and sesamin were included in the fish feeds. The FA profile was modified significantly by
these feed compounds. LO and RO increased the α-linolenic acid (ALA) level and decreased the n-3 LCPUFA portion. Sesamin significantly decreased the ALA level and slightly increased the DHA level in some groups of Atlantic salmon and rainbow trout. Stripped-LO showed different effects on the portion of EPA and ALA compared to the LO group. The sesamin content in fish liver was consistent with its level in feeds, while the content in white muscle was similar across all groups. KO, KM and MM contributed a high portion of n-3 LCPUFA and under 3.5 mg/kg astaxanthin to the white muscle of Arctic charr, enhancing a* value. Some groups with a high level of astaxanthin showed high level of oxidation products (thiobarbituric reactive substances). Sesamin and ZM significantly affected the level or activity of CYP 450.

The results of this thesis reveal the different effects of the non-fish-based materials on the fatty acid profile and colour properties in salmonids, suggesting that these feed compounds can be used to improve fish quality with an optimised formula. Results also indicate that new feed raw materials need further evaluation before the full application in commercial fish feeds.

Authors/Creators:Pan, Jinfeng
Title:Effects of non-fish based raw materials on the fish muscle quality of salmonids
Series Name/Journal:Acta Universitatis Agriculturae Sueciae
Year of publishing :November 2013
Number of Pages:67
I.Trattner, S., Ruyter, B., Østbye, T. K., Kamal-eldin, A., Moazzami, A., Pan, J., Gjøen, T., Brännäs, E., Zlabek, V. & Pickova, J. (2011). Influence of dietary sesamin, a bioactive compound on fatty acids and expression of some lipid regulating genes in baltic atlantic salmon (Salmo salar L.) Juveniles. Physiological Research, 60, 125-137.
II.Vestergren, A., Trattner, S., Pan, J., Johnsson, P., Kamal-Eldin, A., Brännäs, E., Moazzami, A. & Pickova, J. (2013). The effect of combining linseed oil and sesamin on the fatty acid composition in white muscle and on expression of lipid-related genes in white muscle and liver of rainbow trout (Oncorhynchus mykiss). Aquaculture International, 21(4), 843-859.
III.Pan, J., Trattner, S., Zamaratskaia, G., Brännäs, E., Lundhc, T., Kiessling, A., Pickova, J. Effect of a diet including zygomycetes meal, mussel meal on performance, fatty acid profile and CYP450 activity of Arctic charr (Salvelinus alpinus) (manuscript).
IV.Pan, J., Wagner, L., Trattner, S., Brännäs, E., Brunheim, I., Pickova, J. Effect of krill, mussel and fish meals on growth, fatty acid profile, carotenoid content, colour and oxidation property in white muscle of Arctic charr (Salvelinus alpinus) (manuscript).
Place of Publication:Uppsala
Publisher:Dept. of Food Science, Swedish University of Agricultural Sciences
ISBN for printed version:978-91-576-7920-8
ISBN for electronic version:978-91-576-7921-5
Publication Type:Doctoral thesis
Full Text Status:Public
Agris subject categories.:L Animal production > L02 Animal feeding
Q Food science > Q04 Food composition
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Food Science
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Fish and Aquacultural Science
Agrovoc terms:salmo salar, atlantic salmon, oncorhynchus mykiss, salvelinus alpinus, fatty acids, fish feeding, feeds, feed meals, plant oils, fish oils, sesame, astaxanthin, krill, mussels, zygomycetes, animal performance, fish, proximate composition, colour
Keywords:salmonid, sesamin, krill, mussel, zygomycete, fatty acids, astaxanthin, carotenoids, TPBARS, CYP450
Permanent URL:
ID Code:10911
Department:(NL, NJ) > Dept. of Food Science (until 161231)
External funders:Axel and Margaret Ax:son Johnson Foundation
Deposited By: Jinfeng Pan
Deposited On:22 Nov 2013 12:18
Metadata Last Modified:13 Dec 2014 20:45

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