Sensory, Microbiological And Chemical Assessment Of Cod (Gadus Morhua) Fillets During Chilled Storage As Influenced By Bleeding Methods

• Main Authors: Nguyen, Minh Van, Karlsdottir, Magnea Gudrun, Adalheidur Olafsdottir, Arnljotur Bjarki Bergsson, Sigurjon Arason
• Format: Text
• Language: English
• Published: Zenodo 2013
• Subjects: Bleeding method; chilled storage; microbial growth; sensory evaluation.; Almonacid; Arctic; Duran; Dyer; Eide; Hake; Lowry; Malle; Sivertsvik; Slaughter; Atlantic salmon; Gadus morhua; Iceland; Salmo salar; Salvelinus alpinus
• Online Access: https://dx.doi.org/10.5281/zenodo.1086988; https://zenodo.org/record/1086988

The effects of seawater and slurry ice bleeding methods on the sensory, microbiological and chemical quality changes of cod fillets during chilled storage were examined in this study. The results from sensory evaluation showed that slurry ice bleeding method prolonged the shelf life of cod fillets up to 13-14 days compared to 10-11 days for fish bled in seawater. Slurry ice bleeding method also led to a slower microbial growth and biochemical developments, resulting lower total plate count (TPC), H2S-producing bacteria count, total volatile basic nitrogen (TVB-N), trimethylamine (TMA), free fatty acid (FFA) content and higher phospholipid content (PL) compared to those of samples bled in seawater. The results of principle component analysis revealed that TPC, H2S-producing bacteria, TVB-N, TMA and FFA were in significant correlation. They were also in negative correlation with sensory evaluation (Torry score), PL and water holding capacity (WHC). : {"references": ["", "A. S. 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