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Finding the most important sensory descriptors to differentiate some Vitis vinifera L. South American wines using support vector machines

  • Nattane Luíza Costa
  • Laura Andrea García Llobodanin
  • Inar Alves Castro
  • Rommel BarbosaEmail author
OriginalPaper
  • 21 Downloads

Abstract

The geographical recognition of wines has been extensively attempted based on chemical parameters. However, few studies have used wine sensory properties to characterize wines according to their geographical origin. This paper presents a machine learning study to classify and to find the most important sensory descriptors of Cabernet Sauvignon, Syrah, Tannat, and Merlot wines from Argentina, Brazil, Chile and Uruguay. Four feature selection methods (F score, relief, \({\chi ^2}\), and random forest importance) were used to generate the order of importance of the sensory descriptors. The feature subsets were generated based on the feature selection ranking order to use as input features for the support vector machines classifier. Very good results with 85–100% accuracy were achieved, and the results showed that few sensory descriptors discriminate the origin of wines better than when using all the descriptors and that there is a specific subset of most important features to each wine variety. As far as we know, this is the first study to analyze South American wines based solely on sensory descriptors and support vector machines along with feature selection methods.

Keywords

Machine learning South American wines Sensory descriptors Classification Support vector machines Feature selection 

Notes

Acknowledgements

We would like to acknowledge Fapesp (Fundação de Amparo à Pesquisa do Estado de São Paulo) for their financial support and the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.

Compliance with ethics requirements

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Instituto de InformáticaUniversidade Federal de GoiásGoiâniaBrazil
  2. 2.Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, LADAFUniversity of São PauloSão PauloBrazil

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