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Beverages 2016, 2(1), 1; doi:10.3390/beverages2010001

Sensory Description of Cultivars (Coffea Arabica L.) Resistant to Rust and Its Correlation with Caffeine, Trigonelline, and Chlorogenic Acid Compounds

1
Department of Food Science, Federal University of Lavras (UFLA), Box 3037, 37200-000 Lavras, MG, Brazil
2
Agricultural and Livestock Minas Gerais State Research Institution (EPAMIG), Box 176, 37200-000 Lavras, MG, Brazil
3
Department of Exact Science, Federal University of Lavras (UFLA), Box 3037, 37200-000 Lavras, MG, Brazil
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Benoît Bertrand
Received: 30 September 2015 / Revised: 10 December 2015 / Accepted: 8 January 2016 / Published: 18 January 2016
(This article belongs to the Special Issue Coffee Beverage)
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Abstract

Considering the importance of the chemical compounds in Arabica coffee beans in the definition of the drink sensory quality and authentication of coffee regions, the aim of this study was to evaluate, from principal component analysis—PCA—if there is a relation between the caffeine, trigonelline, and chlorogenic acid (5-CQA) content and the sensory attributes of the drink, and in this context, enabling the differentiation of cultivars in two coffee-producing regions of Brazil. We evaluated seven rust-resistant Coffea arabica cultivars, and two rust-susceptible cultivars in two cultivation environments: Lavras, in the southern region of Minas Gerais state, and Patrocinio in the Cerrado region of Minas Gerais. The flavor and acidity were determinant for differentiation of the cultivars and their interaction with the evaluated environments. Cultivars Araponga MG1, Catigua MG2, and Catigua MG1 are the most suitable for the production of specialty coffee in the state of Minas Gerais. A poor correlation was found between caffeine, trigonelline, 5-CQA contents, and fragrance, flavor, acidity, body, and final score attributes. However, these compounds enabled the differentiation of the environments. The PCA indicated superiority in the sensory quality of cultivars resistant to rust, compared to the control, Bourbon Amarelo, and Topázio MG1190. View Full-Text
Keywords: cultivars; quality drink; principal component analysis; bioactive compounds cultivars; quality drink; principal component analysis; bioactive compounds
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

de Oliveira Fassio, L.; Malta, M.R.; Carvalho, G.R.; Liska, G.R.; de Lima, P.M.; Pimenta, C.J. Sensory Description of Cultivars (Coffea Arabica L.) Resistant to Rust and Its Correlation with Caffeine, Trigonelline, and Chlorogenic Acid Compounds. Beverages 2016, 2, 1.

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