Abstract
This study examines the effects of atmospheric cold plasma (AP) treatment on golden pomfret oil, particularly its physicochemical properties and flavor compounds. Volatile flavor compounds in the golden pomfret fish oil were investigated following AP treatment and cold storage for 30 d using gas chromatography-mass spectrometry, gas chromatography-ion mobility mass spectrometry, and an electronic nose. The relative odor activity values revealed that certain molecules, including pentane, tridecane, styrene, methyl palmitate, benzyl benzoate, 1-methyl-2-pyrrolidinone, and oleic acid, were potential markers for distinguishing between the aromas at fresh group, 30 d of storage, and 30 d of AP storage. The content of volatile compounds changed during low-temperature refrigeration. AP treatment was a protective measure against flavor changes during storage. This information can aid in exploring the formation mechanism of the characteristic odor of AP-treated golden pomfret oil and its related metabolic pathways.
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