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Comparison of nutritional value and microbiological status of new imported fish species on the G erman market

2014; Wiley; Volume: 49; Issue: 11 Linguagem: Inglês

10.1111/ijfs.12543

1365-2621

Horst Karl, Ines Lehmann, Monika Manthey‐Karl, Carsten Meyer, Ute Ostermeyer,

Fatty Acid Research and Health

Summary Proximate composition, fatty acid profile, other nutritional values and spoilage indicators were examined in the muscle meat of five species: barramundi ( L ates calcarifer ) from various origins, tilapia ( O reochromis spp.) of different qualities, cobia ( R achycentron canadum ) and leather jacket ( A luterus monoceros ) from the P acific O cean and P atagonian grenadier ( M acruronus magellanicus ) from S outh A merica. Lowest lipid contents (0.4% and 0.8%) were found in leather jacket and cobia. Leather jacket fillets had lowest protein (16.2%) and highest sodium chloride content (4.9%). Concentrations of ∑ EPA + DHA were 0.1 g 100 g −1 for tilapia and leather jacket, 0.2 g 100 g −1 for barramundi and cobia and 0.7 g 100 g −1 for P atagonian grenadier. Barramundi and tilapia were characterised by high taurine content (215 and 276 mg 100 g −1 ww.), and cobia had only low levels (41 mg 100 g −1 ww.). Iodine contents were low and selenium levels varied between 303 and 570 μg kg −1 ww. No sign of spoilage was detected.