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State-of-the-art of analytical techniques to determine food fraud in olive oils

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State-of-the-art of analytical techniques to determine food fraud in olive oils

González Pereira, Antía; Otero, Paz; Fraga Corral, Maria; García Oliveira, Paula; Carpena Rodríguez, María; Prieto Lage, Miguel Angel; Simal Gandara, Jesus
DATE : 2021-02-24
UNESCO SUBJECT : 3309.28 Aceites y Grasas Vegetales ; 2301 Química Analítica ; 6310.02 Delincuencia


The benefits of the food industry compared to other sectors are much lower, which is why producers are tempted to commit fraud. Although it is a bad practice committed with a wide variety of foods, it is worth noting the case of olive oil because it is a product of great value and with a high percentage of fraud. It is for all these reasons that the authenticity of olive oil has become a major problem for producers, consumers, and legislators. To avoid such fraud, it is necessary to develop analytical techniques to detect them. In this review, we performed a complete analysis about the available instrumentation used in olive fraud which comprised spectroscopic and spectrometric methodology and analyte separation techniques such as liquid chromatography and gas chromatography. Additionally, other methodology including protein-based biomolecular techniques and analytical approaches like metabolomic, hhyperspectral imaging and chemometrics are discussed.

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