Abstract
ABSTRACTThe ultrasonic velocity within Atlantic cod (Gadus morhua), Atlantic mackerel (Scomber sombrus), Atlantic salmon (Salmo salar), Channel catfish (Ictalurus punctatus), and Sole flounder (Pseudopleuronectes americanus) fillets was measured over a range of temperatures (5 to 35°C) using an ultrasonic pulse‐echo technique (∼3.5 MHz). Lipid, protein, moisture and ash content of fillets were determined by standard methods. Ultrasonic velocity‐temperature profiles were dependent on fish composition and could be predicted reasonably well using a semi‐empirical equation developed in a previous study. Ultrasonic velocity measurements show potential for analyzing fish composition.
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