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Molecules. 2019 Apr 19;24(8). pii: E1555. doi: 10.3390/molecules24081555.

Using Extra Virgin Olive Oil to Cook Vegetables Enhances Polyphenol and Carotenoid Extractability: A Study Applying the sofrito Technique.

Author information

1
Department of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA-UB, School of Pharmacy and Food Sciences, University of Barcelona, Carrer Prat de la Riba, 171, 08921 Santa Coloma de Gramenet, Spain. jrinaldi@ub.edu.
2
Department of Endocrinology & Nutrition, CIBER of Diabetes and Associated Metabolic Diseases (CIBERDEM), Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Carrer de Sant Quintín, 77, 08041 Barcelona, Spain. pquifer@santpau.cat.
3
Department of Agri-food Industry, Food and Nutrition, 'Luiz de Queiroz' College of Agriculture, University of São Paulo, Av, Pádua Dias, P.O. Box 9, Piracicaba 13418-900, SP, Brazil. fernanda_ffj@hotmail.com.
4
Department of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA-UB, School of Pharmacy and Food Sciences, University of Barcelona, Carrer Prat de la Riba, 171, 08921 Santa Coloma de Gramenet, Spain. sara.hurtado_17@ub.edu.
5
CIBER of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Av. Monforte de Lemos, 3-5, Pabellón 11, planta 0, 28029 Madrid, Spain. sara.hurtado_17@ub.edu.
6
Department of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA-UB, School of Pharmacy and Food Sciences, University of Barcelona, Carrer Prat de la Riba, 171, 08921 Santa Coloma de Gramenet, Spain. millan@ub.edu.
7
Department of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA-UB, School of Pharmacy and Food Sciences, University of Barcelona, Carrer Prat de la Riba, 171, 08921 Santa Coloma de Gramenet, Spain. xaviertorrado@ub.edu.
8
Department of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA-UB, School of Pharmacy and Food Sciences, University of Barcelona, Carrer Prat de la Riba, 171, 08921 Santa Coloma de Gramenet, Spain. lamuela@ub.edu.
9
CIBER of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Av. Monforte de Lemos, 3-5, Pabellón 11, planta 0, 28029 Madrid, Spain. lamuela@ub.edu.

Abstract

Olive oil is the main source of fat in the Mediterranean diet and the most frequently used ingredient in Mediterranean cuisine. Cooking with olive oil has been attracting attention because it can act as a food excipient, thereby increasing the bioaccessibility and bioavailability of ingested bioactive compounds. The aim of this study was to understand the effect of cooking with olive oil on the bioactive components in other ingredients (tomato, onion, and garlic) of sofrito sauce, a representative model of Mediterranean cuisine. After the cooking process, polyphenols from tomato, onion, and garlic were detected in the olive oil, especially naringenin, ferulic acid, and quercetin, as well as a high content of carotenoid Z-isomers, which are more bioavailable than the E-isomers. Therefore, traditional Mediterranean cuisine could play an important role in the health-improving effects of the Mediterranean diet.

KEYWORDS:

carotenoid isomerization; garlic; lycopene; matrix effect; naringenin; onion; phenolic compounds; tomato

PMID:
31010212
PMCID:
PMC6514867
DOI:
10.3390/molecules24081555
[Indexed for MEDLINE]
Free PMC Article

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