Affiliation:
1. Advanced Laboratory Research Barilla G. e R. Fratelli S.p.A. Parma Italy
2. Department of Food and Drug University of Parma Parma Italy
3. Department for Sustainable Food Process Catholic University Sacred Heart Piacenza Italy
Abstract
AbstractGeographical provenience is nowadays a relevant aspect of the authenticity and the quality of many food commodities. Dehydrated apple cubes/slices represent an ingredient commonly used by food companies for bakery products. However, this apple‐based matrix is not so known and studied from an analytical point of view. In the present work, seven compounds were identified as key molecules to distinguish between Italian and non‐Italian samples, through an untargeted ultrahigh‐pressure liquid chromatography‐high‐resolution mass spectrometry (UHPLC‐HRMS) approach. This methodology was merged with multivariate statistical analysis, and the principal features were studied and identified considering several identification steps. Samples from 2020 and 2021 harvesting campaigns, with partial and total dehydration rates, with or without peel, and from different apple varieties were considered for the study, for a total of 91 samples. Afterward, the same analysis protocol was applied to an external set (n = 12 samples), included in the statistical models, searching for the key compounds identified in the training set. Interesting and significant results underlined the potentiality of the UHPLC‐HRMS technology as a confirmatory strategy for the geographical origin assessment of dehydrated apple commodities.
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