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Fish flavor
1Laboratory of Flavor Substances, Shiono Koryo Kaisha, Ltd., Osaka, Japan.
Critical Reviews in Food Science and Nutrition
|February 1, 1996
Summary
Fish flavor profiles differ significantly. Saltwater fish are odorless, freshwater fish have earthy odors, and euryhaline fish contain diverse volatile compounds from fatty acid oxidation.
Area of Science:
- Food Chemistry
- Fish Biology
- Sensory Science
Background:
- Fish flavor is crucial for consumer acceptance.
- Volatile compounds significantly influence fish aroma and taste.
- Understanding flavor formation aids in quality control and product development.
Purpose of the Study:
- To review and summarize the characteristic flavor features of different fish groups.
- To explore the chemical basis of flavor compounds in fish.
- To discuss factors influencing volatile compound formation and stability.
Main Methods:
- Literature review of fish flavor research.
- Analysis of volatile compounds in various fish types.
- Discussion of enzymatic and non-enzymatic oxidation pathways.
- Examination of pH and environmental effects on flavor.
Main Results:
- Saltwater fish possess minimal volatiles, likely due to an unknown antioxidant system.
- Freshwater fish exhibit pyrrolidine and earthy odor compounds linked to maturity and water quality.
- Euryhaline fish display diverse unsaturated carbonyls and alcohols from polyunsaturated fatty acid (PA) oxidation.
Conclusions:
- Fish flavor is determined by species-specific volatile profiles.
- Oxidation of polyunsaturated fatty acids (PAs) is a key source of flavor compounds in euryhaline fish.
- Environmental factors and internal biological systems modulate fish flavor complexity.