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Esteki M, Shahsavari Z, Simal-Gandara J. Gas Chromatographic Fingerprinting Coupled to Chemometrics for Food Authentication. FOOD REVIEWS INTERNATIONAL 2019. [DOI: 10.1080/87559129.2019.1649691] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- M. Esteki
- Department of Chemistry, University of Zanjan, Zanjan, Iran
| | - Z. Shahsavari
- Department of Chemistry, University of Zanjan, Zanjan, Iran
| | - J. Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo – Ourense Campus, Ourense, Spain
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Catarino S, Castro F, Brazão J, Moreira L, Pereira L, Fernandes J, Eiras-Dias J, Graça A, Martins-Lopes P. 87Sr/86Sr isotopic ratios in vineyard soils and varietal wines from Douro Valley. BIO WEB OF CONFERENCES 2019. [DOI: 10.1051/bioconf/20191202031] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The assessment of wine authenticity is of utmost importance in the current context of a growing market globalization. The strontium isotopic ratio 87Sr/86Sr is a well-established tool for dating and tracing the origin of rocks and minerals with special interest for wine traceability. A study was developed to examine the variation of 87Sr/86Sr in wines from Douro Valley taking into account the effects of vineyard location and grape variety. The 87Sr/86Sr of soils and wines from six vineyards were determined by using an ICP-MS based analytical procedure. A total of twenty-two monovarietal wines, obtained at micro vinification scale, from relevant white and red grapevine varieties for Douro region, were analysed. The range of 87Sr/86Sr values observed in soils and wines was of 0.708–0.725 and 0.711–0.717, respectively. The present study updates the scarce knowledge available on strontium isotopic ratios in soils and wines from Douro Valley, and its results will enlarge global databank on wine composition and support comparison with other world regions.
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Barrias S, Fernandes JR, Eiras-Dias JE, Brazão J, Martins-Lopes P. Label free DNA-based optical biosensor as a potential system for wine authenticity. Food Chem 2019; 270:299-304. [DOI: 10.1016/j.foodchem.2018.07.058] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 07/06/2018] [Accepted: 07/09/2018] [Indexed: 12/22/2022]
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Abstract
The wine sector is one of the most economically important agro-food businesses. The wine market value is largely associated to terroir, in some cases resulting in highly expensive wines that attract fraudulent practices. The existent wine traceability system has some limitations that can be overcome with the development of new technological approaches that can tackle this problem with several means. This review aims to call attention to the problem and to present several strategies that can assure a more reliable and authentic wine system, identifying existent technologies developed for the sector, which can be incorporated into the current traceability system.
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Recent developments and trends in the application of strontium and its isotopes in biological related fields. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.02.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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