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Seafood Inspection and Grading
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Polyphosphate Treatment
The use of polyphosphates in seafood to retain moisture during freezing and thawing, thereby maintaining texture and weight.
Proximate Composition
Analysis of the main components of seafood including water, protein, fat, and ash content.
Sensory Evaluation
A method used to assess the quality of seafood based on appearance, texture, odor, and flavor.
Histamine Level
An indicator of scombroid poisoning risk in seafood, especially in the Scombridae and Scomberesocidae families.
Percoll Gradient Centrifugation
A laboratory technique for separating and purifying viable spermatozoa from fisheries products for aquaculture purposes.
Texture Profile Analysis (TPA)
An objective measurement of the textural properties of seafood, such as firmness and chewiness.
Water Activity ()
The measurement of the free moisture in seafood, which can influence microbial growth and shelf life.
K-value
A chemical assessment of the degree of freshness in fish, which measures the breakdown of adenosine triphosphate (ATP).
Depuration
The process of purging contaminants from shellfish, particularly bivalves, in a controlled aquatic environment.
Candling
A visual inspection method for fish fillets where light is used to reveal parasites, such as nematodes.
Ice Slurry
A mixture of ice and water used to rapidly chill seafood post-harvest, enhancing freshness and extending shelf life.
Trim Loss
The amount of waste material removed from seafood during processing, which affects yield and profitability.
Torrymeter
An electronic device that measures the freshness of fish by assessing its electrical impedance.
Grading
A classification system that sorts seafood based on size, appearance, and quality standards.
Melanosis
A natural, but unappealing darkening of the shell in crustaceans, caused by the enzymatic oxidation of phenols.
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