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EnglishThis work describes a metabolic profiling study of non-irradiated and irradiated beef (at 2.5, 4.5 and 8 kGy) using H-1 NMR and chemometrics. The assignment of all major NMR signals of the aqueous/methanolic extracts was performed. A comprehensive multivariate data analysis proved the ability to distinguish between the irradiated and non-irradiated beef. Classification trees revealed that three metabolites (glycerol, lactic acid esters and tyramine or a p-substituted phenolic compound) are important biomarkers for classification of the irradiated and non-irradiated beef samples. Overall, the achieved metabolomic results show that the changes in the metabolic profile of meat provide a valuable insight to be used in detecting irradiated beef. The use of the NMR-based approach simplifies sample preparation and decrease the time required for analysis, compared to available official analytical procedures.
Metabolic profiling by H-1 NMR of ground beef irradiated at different irradiation doses / Zanardi, E; Caligiani, A; Palla, L; Mariani, M; Ghidini, S; Di Ciccio, Pa; Palla, G; Ianieri, A. - In: MEAT SCIENCE. - ISSN 0309-1740. - 103:(2015), pp. 83-89. [10.1016/j.meatsci.2015.01.005]
| Titolo: | Metabolic profiling by H-1 NMR of ground beef irradiated at different irradiation doses | |
| Autori: | ||
| Data di pubblicazione: | 2015 | |
| Rivista: | ||
| Citazione: | Metabolic profiling by H-1 NMR of ground beef irradiated at different irradiation doses / Zanardi, E; Caligiani, A; Palla, L; Mariani, M; Ghidini, S; Di Ciccio, Pa; Palla, G; Ianieri, A. - In: MEAT SCIENCE. - ISSN 0309-1740. - 103:(2015), pp. 83-89. [10.1016/j.meatsci.2015.01.005] | |
| Handle: | http://hdl.handle.net/11573/1468980 | |
| Appartiene alla tipologia: | 01a Articolo in rivista |
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