Effects of high pressure treatment on physicochemical characteristics of fresh sea bass (Dicentrarchus labrax)

Date

2010-02-01

Author

Erkan, Nuray
Uretener, Gonca
Alpas, Hami

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The effects of high pressure (HP) treatment (pressure: 220-250-330 MPA; holding time: 5 and 10 min; temperature: 3, 7, 15 and 25A degrees C) on physicochemical characteristics (colour, thiobarbituric acid, trimethylamine nitrogen values) of fresh sea bass fillets were investigated. HP-treated sea bass fillets had higher lightness (Hunter L*) values than untreated sea bass fillets; the magnitude of changes increased with treatment pressure. HP-induced changes in colour generally imparted a cooked sample. The TBA value of HP treated sea bass samples (except 220-330 MPa, 3A degrees C for 5 min) were found to be insignificant (P > 0.05) or significantly (P < 0.05) lower than the untreated samples. TMA-N content of HP treated at 220-250-330 MPa, 3-7-25A degrees C for 10 min sea bass samples were found to insignificant according to the untreated samples. The results obtained from this study showed that the quality of high pressure treated sea bass is best preserved at 220 MPa, 25A degrees C for 5 min.

Subject Keywords

Biotechnology, Agronomy and Crop Science, Food Science, Food Animals

URI

https://hdl.handle.net/11511/39241

Collections

Department of Food Engineering, Article