The UJI develops a chemical technique that detects food fraud



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## The UJI develops a chemical technique that detects food fraud The IUPA has validated an analytical methodology for the classification of smoked fish products useful also for high value added products such as olive oil or ham

23/11/2020 |
SCP

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A research group from the University Institute of Pesticides and Water Resources (IUPA) at the Universitat Jaume I has developed an analytical methodology based on mass spectrometry for the classification of smoked fish products that can be used to detect food fraud in products with high added value such as olive oil or ham. The conclusions of this work have been published in the journal *Food Research International*.

The main objective of this study, carried out by the Universitat Jaume I (UJI) in collaboration with the company Sea Delight Europe, was to demonstrate that the use of a metabolomic approach in samples of smoked fish makes it possible to obtain objective information on volatile components of food related to odour and flavour and thus to identify smoked products and distinguish them from others prohibited within the European Union.

**AN APPROACH CLOSE TO ARTIFICIAL INTELLIGENCE**

Professor Joaquim Beltran, a member of the Analytical Chemistry group at the UJI (Q-AMS) argues that this work "demonstrates, by means of a metabolomic approach, that it is possible to develop an instrumental method to characterise the volatiles in smoked fish and thus identify and distinguish it from raw fish". This metabolomic approach with a non-directed analysis strategy "has many advantages and great versatility and applicability, despite the fact that it requires more sophisticated instruments and a human team with interdisciplinary training in analytical chemistry and statistics, with an approach close to artificial intelligence", add the UJI researcher.

The researcher Tania Portolés, a member of the IUPA and co-author of this study, states: "We have found objective techniques to validate professional tasting panels for smoked products, basically tuna and swordfish; even so, the results are useful to be applied in quality and food safety processes".

**TRANSFER TO THE BUSINESS FABRIC**

Beltran stresses the importance of working together with the business community, knowing first-hand its priorities, because "it greatly favours the transfer of knowledge from the public university of Castelló to the industrial sector. It is a very beneficial interaction that we have to promote in order to contribute to the innovation and competitiveness of our economy".

For his part, the president of the Sea Delight group, César Bencosme, considers that working in collaboration with the university and scientific research entities "helps to know the products better and to apply new techniques to improve quality, while adapting them to market needs and consumer demands". As a result, "we can achieve added-value products. In fact, the food industry has to adapt to new times and to the environment, which is why it is essential to take advantage of the advances and methodologies of science," Bencosme concludes.

The relevance of this work carried out at the School of Technology and Experimental Sciences (ESTCE) in collaboration with the company Sea Delight - in the opinion of the UJI's scientists - does not only lie in the direct application of the results, but it also establishes a way of working, a strategy that can be applied in many other future studies in order to characterise foods for classification based on quality parameters. This strategy is focused, in particular, on detecting fraud in products of high economic value or with a protected designation of origin.

This research is part of a line developed by the Analytical Chemistry Group in Public Health and the Environment (Q-AMS) of the University Institute of Pesticides and Water Resources (IUPA) over the last few years. These studies have been based on metabolomics, which includes work on volatolomics, more focused on the analysis of volatile compounds in different types of samples. At the same time, this group also carries out IUPA work dedicated to developing methodological tools based on advanced mass spectrometry instrumentation.

The Q-AMS group has been working for more than three decades in different areas such as environmental control, food safety, food fraud, anti-doping analysis, analysis of waste water for epidemiological purposes, treatment of pollutants from treatment plants and identification of transformation products, analysis of (new) drugs of abuse and their metabolites, use of metabolomics to discover (bio)classification markers in nutritional studies, diagnosis and prognosis of diseases, food authentication, etc.

In addition, Q-AMS maintains an intense international relationship with collaborations with universities and research centres in more than 15 countries. The group has been a beneficiary of the PROMETEO aids granted by the Generalitat Valenciana to research excellence groups since 2009 (PROMETEO/2009/054; PROMETEO/2014/023 and PROMETEO/2019/040).

Further information: <https://www.sciencedirect.com/science/article/pii/S0963996920307237>

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