Abstract
The color of the red muscle of pelagic fish is used as an indicator of freshness, and sustaining a bright red color is important for maintaining the commercial value of pelagic fish. Feeding fish with antioxidant compounds can delay metmyoglobin (metMb) formation, but the process requires long-term feeding. Live cultured Japanese horse mackerel Trachurus japonicus were used in this study. After anesthetization, 2 ml of blood was drawn from blood vessels, and a parenteral solution including an antioxidant compound was injected. Browning, metMb formation, and lipid oxidation of dark muscle during chilled storage were delayed by injecting sodium l-ascorbate as an antioxidant compound in the blood vessels of live fish.
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