Fatty acid profile and cholesterol content of juvenile rainbow trout (Oncorhynchus mykis) and common carp fry (Cyprinus carpio) | Sastav masnih kiselina i sadržaj holesterola u predkonzumnoj pastrmci (Oncorhynchus mykis) i šaranskoj mlađi (Cyprinus carpio)
2009
Trbojević, D., Institut za higijenu i tehnologiju mesa, Beograd (Serbia) | Vranić, D., Institut za higijenu i tehnologiju mesa, Beograd (Serbia) | Petronijević, R., Institut za higijenu i tehnologiju mesa, Beograd (Serbia) | Đinović, J., Institut za higijenu i tehnologiju mesa, Beograd (Serbia) | Baltić, M., Fakultet veterinarske medicine, Beograd (Serbia) | Ćupić, V., Fakultet veterinarske medicine, Beograd (Serbia) | Spirić, A., Institut za higijenu i tehnologiju mesa, Beograd (Serbia)
Fatty acid profile and cholesterol content were investigated in rainbow trout and common carp, farmed in intensive and semi-intensive ponds respectively. Fatty acid contents of the relevant fish feeds were investigated, too. Fatty acid methyl esters were determined by GC/FID. Cholesterol was analyzed by HPLC/PDA at 210nm. Palmitic acid was major component of the saturated fatty acids in trout (19.04%), as well as in carp (16.40%). The total content of n-3 fatty acids in trout was 13.27%, with 22:6 n-3, as the most abundant one (6.04%). The Sum(n)-3/Sum(n)-6 ratio in trout was 0.90 +/- 0.05. Higher content of linoleic acid (18:2 n-6) in carp (29.14%) increases the contribution of n-6 fatty acids to the total fatty acid content. The Sum(n)-3/Sum(n)-6 ratio in carp was 0.09 +/- 0.01. Fat content (2.01 +/- 0.63%) and cholesterol (41.74 +/- 2.08 mg/100g) determined in trout were lower than their content in carp (4.57 +/- 0.73% and 48.45 +/- 4.44 mg/100g).
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