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- Title
Characterization of the Flavor Profile of Bigeye Tuna Slices Treated by Cold Plasma Using E-Nose and GC-IMS.
- Authors
Pan, Weicong; Benjakul, Soottawat; Sanmartin, Chiara; Guidi, Alessandra; Ying, Xiaoguo; Ma, Lukai; Weng, Xudong; Yu, Jin; Deng, Shanggui
- Abstract
To avoid heat, treatment induces numerous physicochemical changes under severe conditions in the tuna, cold plasma (CP), as a non-thermal technology, possess objective potential on tuna processing. The effect of cold plasma on the volatile flavor compounds of bigeye tuna (Thunnus obesus) sashimi has been evaluated using electronic nose (E-nose) and gas chromatography-ion mobility spectrometry (GC-IMS). GC–IMS results revealed a total of 33 volatile compounds in tuna slices. The effect of CP treatment on tuna flavor was not significant, furthermore CP could protect volatile freshness compounds such as 1-hexanol. Principal component analysis (PCA) of the E-nose and GC–IMS results could effectively differentiate the effect of storage to tuna sashimi. There was a high correlation between the E-nose and GC–IMS results, providing a theoretical basis for establishing the flavor fingerprint of tuna sashimi.
- Subjects
LOW temperature plasmas; BIGEYE tuna; GAS chromatography; MULTIPLE correspondence analysis (Statistics); ION mobility spectroscopy
- Publication
Fishes (MDPI AG), 2022, Vol 7, Issue 1, p13
- ISSN
2410-3888
- Publication type
Article
- DOI
10.3390/fishes7010013