Potential and limitations of non-targeted fingerprinting for authentication of food in official control

Esslinger, Susanne; Riedl, Janet; Fauhl-Hassek, Carsten

doi:10.1016/j.foodres.2013.10.015

Cited by 214 publications

(136 citation statements)

References 132 publications

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“…A recent review in the field [3] refers that some of the mostly wide applied methods for botanical and geographical origin in wine are spectroscopic and/or spectrometric, such as, HS-SPME; UPLC; FT-ICR-MS; H NMR; UVvis; NIR; MIR; HPLC; GCMS, among others. All these are high-throughput approaches requiring the use of more or less complex statistical analyses [3] and most of the times an intense data collection from the defined region considering several production years and varieties, in order to develop a reliable database.…”

Section: Introductionmentioning

confidence: 99%

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Wine fingerprinting using a bio-geochemical approach

Fernandes

Pereira

Jorge

et al. 2015

BIO Web of Conferences

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Abstract.The wine sector is a billion euro business and therefore subjected to multiple attempts of fraudulent practices. This requires the development of rapid and reliable methods to detect such situations. Several methodologies have been developed based on the chemical profiles of the wines, but they are limited due to the environmental conditions that cannot be controlled. The use of DNA-based detection systems are an emergent research field that have been extended to a wide variety of food products and are still the most reliable methods for varietal identification. However these methods are not suitable for geographical determination. Soil related fingerprints have a primary role considering that there is a relationship between the elemental composition of wine and the composition of the provenance soil. WineBioCode is a project aiming to define the best strategy for wine authenticity based on a multidisciplinary approach. Two DNA-based strategies have been developed based on Real-time PCR and a label free optical biosensor platform. Both platforms enabled successful identification of specific DNA-targets when applied to Vitis vinifera L., and can be applied throughout the grape-wine chain. The methods are complementary and can be used in different situations, according to the requirements. The geographical evaluation has been assessed by the strontium 87 Sr/ 86 Sr isotope ratio determination involving soil evaluation in the vineyards followed by its assay in the wine samples. The results are being integrated in order to establish the best procedure to be undertaken for wine fingerprinting, including varietal composition and geographical origin, therefore fulfilling the requirements of the geographical denominations in wine certification.

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Section: Introductionmentioning

confidence: 99%

“…All these are high-throughput approaches requiring the use of more or less complex statistical analyses [3] and most of the times an intense data collection from the defined region considering several production years and varieties, in order to develop a reliable database.…”

Section: Introductionmentioning

confidence: 99%

Wine fingerprinting using a bio-geochemical approach

Fernandes

Pereira

Jorge

et al. 2015

BIO Web of Conferences

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“…Untargeted analysis is inherently able to provide a multitude of data, subsequently stored into large databases, thus enabling also retrospective analysis; thus it has gained an increasing relevance over the last years [3,4]. Different instrumental setups, aiming at standardizing analytical methodologies based on different detectors, have been explored in the context of untargeted analysis, yet additional work needs to be carried out in this field.…”

Section: Typesmentioning

confidence: 99%

Overview on Untargeted Methods to Combat Food Frauds: A Focus on Fishery Products

Fiorino

Garino

Arlorio

et al. 2018

Journal of Food Quality

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Authenticity and traceability of food products are of primary importance at all levels of the production process, from raw materials to finished products. Authentication is also a key aspect for accurate labeling of food, which is required to help consumers in selecting appropriate types of food products. With the aim of guaranteeing the authenticity of foods, various methodological approaches have been devised over the past years, mainly based on either targeted or untargeted analyses. In this review, a brief overview of current analytical methods tailored to authenticity studies, with special regard to fishery products, is provided. Focus is placed on untargeted methods that are attracting the interest of the analytical community thanks to their rapidity and high throughput; such methods enable a fast collection of "fingerprinting signals" referred to each authentic food, subsequently stored into large database for the construction of specific information repositories. In the present case, methods capable of detecting fish adulteration/substitution and involving sensory, physicochemical, DNA-based, chromatographic, and spectroscopic measurements, combined with chemometric tools, are illustrated and commented on.

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“…For this reasons, meat authenticity focusing on determination of species or origin has been drawing a great attention as an emerging area of research with scientific and technological developments in this regard (Ayhan, 2013). This subject has always been in the hot topics of science, thus several techniques were developed to date (Esslinger et al, 2014). These techniques can be classified in four categories; mass spectrometry techniques, spectroscopic techniques, separation techniques such as HPLC, GC and other technologies (sensor technology, DNA technology) (Luykx et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Identification of Meat Species by Using Molecular and Spectroscopic Techniques

Altuntaş

Deniz

Ayhan

et al. 2017

Turkish JAF Sci.Tech.

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Meat is one of the main nutrition source in the human diet with its excellent protein, vitamin and mineral contents. Despite its advantages, being high-priced makes meat products open to adulteration. Meat products are mixed food types which can contain different species of meat. However, mixing two or more types of meats is not always allowed by laws. On the other hand, replacement high quality meats with cheaper meat types are a cost lowering way for the producers. The commonly consumed meat types differ from country to country, but generally economical, ethnic and religion concerns are in the foreground. In this case, species identification techniques are gaining importance. Although some techniques depending on DNA or spectroscopy have been developed for many years, choosing the best method for species identification is still among the controversial issues today. Thus, the currently used methods and promising techniques in this area were discussed in this review.

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Potential and limitations of non-targeted fingerprinting for authentication of food in official control

Cited by 214 publications

References 132 publications

Wine fingerprinting using a bio-geochemical approach

Wine fingerprinting using a bio-geochemical approach

Overview on Untargeted Methods to Combat Food Frauds: A Focus on Fishery Products

Identification of Meat Species by Using Molecular and Spectroscopic Techniques

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