Daha Ucuz Bir Protein ve Yağ Asidi Kaynağı Olarak Gümüş Balığı (Atherina boyeri) ile Gökkuşağı Alabalığının (Oncorhynchus mykiss) Karşılaştırılması

Yıl 2020, Cilt: 16 Sayı: 1, 106 - 112, 01.03.2020

Emre Yavuzer

https://doi.org/10.22392/actaquatr.603538

Cited By: 2

Öz

Alternatif bir protein ve yağ asidi kaynağı olarak gümüş balığının gökkuşağı alabalığına karşı yağ asidi seviyeleri araştırılmıştır. Balıklar iki gruba ayrılarak; pahalı / bilinen (gökkuşağı alabalığı) ve daha ucuz / az bilinen (gümüş balığı) olarak tanımlandı. Gökkuşağı alabalığı ve gümüş balığı grupları yakın besin ve duyusal değerlere sahip olsa da gümüş balığı grubu fiyat / lezzet tercihine göre daha fazla tercih edilmiştir. Grupların yağ asidi kombinasyonları 27,56%'dan 38,80% doymuş (SFA), 26,30%–31,22% tekli doymamış (MUFA) ve 34,91%-41,22% doymamış asitleri (PUFA) şeklinde değişmiştir. Gruplar arasında en yüksek oranlar miristik asit (3,15-3,73%), palmitik asit (15,99-26,85%), palmitoleik asit (5,82-6,01%), stearik asit (4,44-6,40%), oleik asit (11,81-20,40%), linoleik asit (2,47-16,73%), eikosapentaenoik asit (2,30-8,80%) ve dokosaheksaenoik asit (7,84-15,77%) idi. PUFAs-n3 ve DHA değerleri daha ucuz olan grupta pahalı gruba göre daha yüksekti.

Anahtar Kelimeler

Alternatif protein kaynağı, DHA, EPA, gümüş balığı, gökkuşağı alabalığı

Comparing the Fatty Acid Level of Sand Smelt (Atherina boyeri) With Rainbow Trout (Oncorhynchus mykiss) as a Cheaper Protein and Fatty Acid Source

Öz

Sensorial and fatty acid levels of sand smelt as an alternative protein and fatty acid source against rainbow trout were investigated. The fish were separated into two groups; which were identified in expensive/known one (rainbow trout) and the cheaper/little-known one (sand smelt). Although rainbow trout and sand smelt groups have the same proximate and sensorial values, sand smelt group preferred more according to price/flavor preference. The fatty acid combinations of groups changed from 27.56% to 38.80% saturated (SFA), 26.30–31.22% monounsaturated (MUFAs) and 34.91–41.22% polyunsaturated acids (PUFAs). Between the groups, the highest rates were myristic acid (3.15–3.73%), palmitic acid (15.99–26.85%), palmitoleic acid (5.82–6.01%), stearic acid (4.44–6.40%), oleic acid (11.81–20.40%), linoleic acid (2.47–16.73%), eicosapentaenoic acid (2.30–8.80%) and docosahexaenoic acid (7.84–15.77%). The values of PUFAs-n3 and DHA were higher in a cheaper group than an expensive one.

Anahtar Kelimeler

Alternative protein source, DHA, EPA, sand smelt, rainbow trout

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