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پایگاه اطلاعات جهاد دانشگاهی (SID) 



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:: Volume 6, Issue 2 (2007) ::
IJFS 2007, 6 Back to browse issues page
PUFA Content of silages prepared from tuna cannery wastes
S. Tamadoni Jahromi * , A. Ghoroghi , K. Rouhani , K. Ejlali
, stamadoni@yahoo.com
Abstract:   (3673 Views)
Ensiling as one of the best methods for utilization of tuna wastes was investigated. docosahexaenoic acid [DHA C22:6(n-3)]- rich products were obtained from the wastes (viscera and dark meat) of four tuna species, namely longtail, skipjack, yellowfin and kawakawa by a procedure involving ensiling in organic acids followed by neutralization. Identification of fatty acids in the samples was performed by comparison with chromatograms of fatty acids standard.
Total lipid content of silages varied from 10.41% in skipjack dark meat silage to 22.01% in kawakawa viscera silage, but all lipids contained high percentages of DHA and EPA [eicosapanteoneic acid C20:5(n-3)]. The highest DHA ratio (15% of total lipids) was found in the lipid of skipjack viscera silage and the highest ratio of EPA (11% of total lipids) belonged to the lipids of kawakawa dark meat silage.
ANOVA test results indicated that DHA ratio was significantly high before silage preparation and linolenic acid [C18:3(n-3)] content significantly differed between the species (p<0.05).
Keywords: Silage, PUFA, Tuna wastes, DHA, EPA, Persian Gulf
Full-Text [PDF 1955 kb]   (1193 Downloads)    
Type of Study: Orginal research papers | Subject: Biotechnology
Received: 2017/12/9 | Accepted: 2017/12/9 | Published: 2017/12/9
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Tamadoni Jahromi S, Ghoroghi A, Rouhani K, Ejlali K. PUFA Content of silages prepared from tuna cannery wastes. IJFS 2007; 6 (2) :119-128
URL: http://jifro.ir/article-1-3106-en.html


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Volume 6, Issue 2 (2007) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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