Influence of Two Innovative Packaging Materials on Quality Parameters and Aromatic Fingerprint of Extra-Virgin Olive Oils

The performance of two innovative packaging materials was investigated on two Sardinian extra-virgin olive oils (Nera di Gonnos and Bosana). In particular, a transparent plastic film loaded with a UV-blocker (packaging B) and a metallized material (packaging C) were compared each other and to brown-...

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Main Authors: Stefano Farris, Susanna Buratti, Simona Benedetti, Cesare Rovera, Ernestina Casiraghi, Cristina Alamprese
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Foods
Subjects:
Online Access:https://www.mdpi.com/2304-8158/10/5/929
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author Stefano Farris
Susanna Buratti
Simona Benedetti
Cesare Rovera
Ernestina Casiraghi
Cristina Alamprese
author_facet Stefano Farris
Susanna Buratti
Simona Benedetti
Cesare Rovera
Ernestina Casiraghi
Cristina Alamprese
author_sort Stefano Farris
collection DOAJ
description The performance of two innovative packaging materials was investigated on two Sardinian extra-virgin olive oils (Nera di Gonnos and Bosana). In particular, a transparent plastic film loaded with a UV-blocker (packaging B) and a metallized material (packaging C) were compared each other and to brown-amber glass (packaging A). During accelerated shelf-life tests at 40 and 60 °C, the evolution of quality parameters (i.e., acidity, peroxide value, K<sub>270</sub>, and phenolic content) was monitored, together with the aromatic fingerprint evaluated by electronic nose. Packaging B resulted in the best-performing material in protecting oil from oxidation, due to its lower oxygen transmission rate (0.1 ± 0.02 cm<sup>3</sup>/m<sup>2</sup> 24 h) compared to packaging C (0.23 ± 0.04 cm<sup>3</sup>/m<sup>2</sup> 24 h). At the end of storage, phenolic reduction was on average 25% for packaging B and 58% for packaging C, and the aromatic fingerprint was better preserved in packaging B. In addition, other factors such as the sanitary status of the olives at harvesting and the storage temperature were demonstrated to have a significant role in the shelf life of packaged extra-virgin olive oil.
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spelling doaj.art-a570ff550f1b481e899c8db876168a9d2023-11-21T16:52:35ZengMDPI AGFoods2304-81582021-04-0110592910.3390/foods10050929Influence of Two Innovative Packaging Materials on Quality Parameters and Aromatic Fingerprint of Extra-Virgin Olive OilsStefano Farris0Susanna Buratti1Simona Benedetti2Cesare Rovera3Ernestina Casiraghi4Cristina Alamprese5Department of Food, Environmental, and Nutritional Sciences (DeFENS), Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, ItalyDepartment of Food, Environmental, and Nutritional Sciences (DeFENS), Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, ItalyDepartment of Food, Environmental, and Nutritional Sciences (DeFENS), Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, ItalyDepartment of Food, Environmental, and Nutritional Sciences (DeFENS), Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, ItalyDepartment of Food, Environmental, and Nutritional Sciences (DeFENS), Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, ItalyDepartment of Food, Environmental, and Nutritional Sciences (DeFENS), Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, ItalyThe performance of two innovative packaging materials was investigated on two Sardinian extra-virgin olive oils (Nera di Gonnos and Bosana). In particular, a transparent plastic film loaded with a UV-blocker (packaging B) and a metallized material (packaging C) were compared each other and to brown-amber glass (packaging A). During accelerated shelf-life tests at 40 and 60 °C, the evolution of quality parameters (i.e., acidity, peroxide value, K<sub>270</sub>, and phenolic content) was monitored, together with the aromatic fingerprint evaluated by electronic nose. Packaging B resulted in the best-performing material in protecting oil from oxidation, due to its lower oxygen transmission rate (0.1 ± 0.02 cm<sup>3</sup>/m<sup>2</sup> 24 h) compared to packaging C (0.23 ± 0.04 cm<sup>3</sup>/m<sup>2</sup> 24 h). At the end of storage, phenolic reduction was on average 25% for packaging B and 58% for packaging C, and the aromatic fingerprint was better preserved in packaging B. In addition, other factors such as the sanitary status of the olives at harvesting and the storage temperature were demonstrated to have a significant role in the shelf life of packaged extra-virgin olive oil.https://www.mdpi.com/2304-8158/10/5/929electronic noseaccelerated shelf-life teststransparent plastic materialmetallized materialbrown-amber glassoxidation
spellingShingle Stefano Farris
Susanna Buratti
Simona Benedetti
Cesare Rovera
Ernestina Casiraghi
Cristina Alamprese
Influence of Two Innovative Packaging Materials on Quality Parameters and Aromatic Fingerprint of Extra-Virgin Olive Oils
Foods
electronic nose
accelerated shelf-life tests
transparent plastic material
metallized material
brown-amber glass
oxidation
title Influence of Two Innovative Packaging Materials on Quality Parameters and Aromatic Fingerprint of Extra-Virgin Olive Oils
title_full Influence of Two Innovative Packaging Materials on Quality Parameters and Aromatic Fingerprint of Extra-Virgin Olive Oils
title_fullStr Influence of Two Innovative Packaging Materials on Quality Parameters and Aromatic Fingerprint of Extra-Virgin Olive Oils
title_full_unstemmed Influence of Two Innovative Packaging Materials on Quality Parameters and Aromatic Fingerprint of Extra-Virgin Olive Oils
title_short Influence of Two Innovative Packaging Materials on Quality Parameters and Aromatic Fingerprint of Extra-Virgin Olive Oils
title_sort influence of two innovative packaging materials on quality parameters and aromatic fingerprint of extra virgin olive oils
topic electronic nose
accelerated shelf-life tests
transparent plastic material
metallized material
brown-amber glass
oxidation
url https://www.mdpi.com/2304-8158/10/5/929
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