期刊
FOOD CHEMISTRY-X
卷 19, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.fochx.2023.100738
关键词
Virgin olive oil; Categories; Infrared Spectroscopy; Gas Chromatography; Ion Mobility Spectrometry; Chemometrics
This study aimed to evaluate the potential of analytical techniques for classifying and predicting different categories of olive oil. The results showed that infrared spectroscopy (MIR and NIR) and head-space gas chromatography coupled to an ion mobility spectrometer (HS-GC-IMS) had high classification success rates, with HS-GC-IMS showing greater potential.
Virgin olive oil (OO) can be classified into three different categories: extra virgin, virgin and lampante. The official method for this classification, based on physicochemical analysis and sensory tasting, is considered useful and effective, although it is a costly and time-consuming process. The aim of this study was to assess the potential of some analytical techniques for classifying and predicting different OO categories to support official methods and to provide olive oil companies with a rapid tool to assess product quality. Thus, mid and near infrared spectroscopies (MIR and NIR) have been compared by using different instruments and with head-space gas chromatography coupled to an ion mobility spectrometer (HS-GC-IMS). High classification success rates in validation models were obtained using IR spectrometers (>70% and > 80% in average for ternary and binary classifications, respectively), although HS-GC-IMS showed greater classification potential (>85% and > 90%).
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