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Title: | One drop only. Easy and rapid Raman evaluation of β-carotene in olive oil and its relevance as an index of olive fly attack | Authors: | Anselmi, C Portarena, S Baldacchini, Chiara Proietti, S Leonardi, L Brugnoli, E |
Journal: | FOOD CHEMISTRY | Issue Date: | 2022 | Abstract: | This paper presents, for the first time, a method for the rapid quantification of β-carotene in olive oil by Raman spectroscopy. Using a 532 nm Raman laser source, our procedure requires only one drop (100 µL) of oil, for β-carotene content to be determined. Results show that β-carotene content is associated with the lutein/β-carotene ratio, a parameter whose value describes how healthy the olives were before processing, specifically whether an olive fly attack occurred. Since olive fly attacks are not always visible to the oil producers, this method gives them the means to control the validity of the prevention strategies they adopted. |
URI: | http://hdl.handle.net/2067/47857 | ISSN: | 0308-8146 | DOI: | 10.1016/j.foodchem.2022.133340 | Rights: | Attribution-NonCommercial-NoDerivatives 4.0 International |
Appears in Collections: | A1. Articolo in rivista |
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File | Description | Size | Format | Existing users please |
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AnselmiFOCH2022.pdf | Published version | 2.17 MB | Adobe PDF | Request a copy |
AnselmiFOCH2002_rev.pdf | accepted version | 615.39 kB | Adobe PDF | Request a copy |
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