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Chemical Analysis and Sensory Evaluation of Mahi-Mahi (Coryphaena hippurus) during Chilled Storage

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Biogenic amines, total volatile base-nitrogen (TVB-N), and sensory evaluation are some of the indicators used for fish quality determination. Our objective was to evaluate the relationship among histamine, cadaverine, putrescine, TVB-N, and sensory evaluation as quality assessment tools. Two groups of six mahi-mahi fillets were refrigerated at 7°C and sampled on days 0, 2, 4, 6, 8, and 10. On day 3, histamine, cadaverine, and putrescine levels reached 5, 3, and 0.5 mg/100 g, respectively, whereas TVB-N reached 30 mg/100 g. Sensory scores were 6 to 6.5 (10 very fresh and 1 very spoiled) for odor, appearance, texture, and color. Correlations were 0.78 and 0.72 between histamine and cadaverine and histamine and putrescine, 0.74 and 0.80 between TVB-N and cadaverine and TVB-N and putrescine, and 0.75 and 0.78 between odor and putrescine and odor and cadaverine. AromaMaps showed distinct trends for deteriorating mahi-mahi (Coryphaena hippurus) quality.

Document Type: Research Article

Affiliations: 1: Food and Environmental Toxicology Laboratory, Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida 32611-0720, USA 2: Statistics Department, University of Florida, Gainesville, Florida 32611-0720, USA

Publication date: October 1, 2004

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