Sensory quality of parchment coffee subjected to drying at different air temperatures and relative humidities

Authors

DOI:

https://doi.org/10.33448/rsd-v10i10.19351

Keywords:

Coffee arabica; Coffee quality

Abstract

Coffee quality is influenced by several factors, including the drying conditions. Therefore, this study evaluated the influence of the relative humidity of the drying air on the quality attributes of the coffee beverage. Arabica coffee (Coffea arabica L.) fruits were selectively harvested. The samples were dried in two steps in a fixed-bed dryer at an air speed of 0.33 ms-1. In the first step, drying was performed until the water content was 0.428 g of water g of dry matter-1, without controlling the dew point temperature. The second step was performed until the water content was 0.123 g of water/g of dry matter-1, with dew point temperature control. A total of 11 treatments were tested involving nine combinations of dry bulb temperatures of 35 and 40 °C and dew point temperatures of 2.6, 10.8, 16.2 °C, plus two dryings at 35 and 40 °C dry bulb temperature without dew point temperature control. The samples were evaluated sensorially by three certified specialty coffee tasters. The data were subjected to principal component analysis. In the sensory analysis, the samples received total scores of 83.0 to 85.5 points. The drying conditions significantly influenced the quality of the coffee beverage. Drying at a dry bulb temperature of 40 °C and a dew point temperature of 16.2 °C (25% RH) is indicated for the production of higher quality coffees with a shorter drying time.

References

Alves, G. E., Borém, F. M., Isquierdo, E. P., Siqueira, V. C., Cirillo, M. Â., & Pinto, A. C. F. (2017). Qualidade fisiológica e sensorial do café arábica submetido a diferentes temperaturas e fluxos de ar de secagem. Acta Scientiarum - Agronomy, 39(2), 225–233. https://doi.org/10.4025/actasciagron.v39i2.31065

Alves, G. E., Pedroza Isquierdo, E., Borém, F. M., Siqueira, V. C., Oliveira, P. D., & Andrade, T. (2013). Cinética De Secagem De Café Natural Para Diferentes Temperaturas E Baixa Umidade Relativa. Coffee Science, 2, 238–247.

Borém, F. M., Coradi, P. C., Saath, R., & Oliveira, J. A. (2008). Qualidade do café natural e despolpado após secagem em terreiro e com altas temperaturas. Ciencia e Agrotecnologia, 32(5), 1609–1615. https://doi.org/10.1590/S1413-70542008000500038

Borém, F. M., de Oliveira, P. D., Isquierdo, E. P., Giomo, G. da S., Saath, R., & Cardoso, R. A. (2013). Scanning electron microscopy of coffee beans subjected to different forms of processing and drying. Coffee Science, 8(2), 227–237. https://doi.org/10.25186/cs.v8i2.420

Carmo, K. B., Do Carmo, J. C. B., Krause, M. R., & Peterle, G. (2020). Sensory and physiological quality of arabic coffee under different fermentation times. Bioscience Journal, 36(2), 429–438. https://doi.org/10.14393/BJ-v36n2a2020-43255

Fernandes, M. de F. C., da Silva, A. B., Oliveira, N. de M. S., & Miranda, J. M. (2014). The influence of peeling and type of drying on chemical and sensorial analysis of organic coffee. Food Science and Technology, 34(2), 230–234. https://doi.org/10.1590/fst.2014.0036

Ferreira, D. F. (2011). Sisvar: a computer statistical analysis system. Ciência e Agrotecnologia, 35(6), 1039–1042. https://doi.org/10.1590/S1413-70542011000600001

Ferreira, L. F., de Abreu, G. F., Lago, A. M. T., Figueiredo, L. P., Borém, F. M., Martins, M. A., Borges, S. V., & Dias, M. V. (2018). Development and application of biopolymer coatings to specialty green coffee beans: Influence on water content, color and sensory quality. Lwt, 96(October 2017), 274–280. https://doi.org/10.1016/j.lwt.2018.05.037

Figueiredo, L. P., Borem, F. M., Ribeiro, F. C., Giomo, G. S., Taveira, J. H. da S., & Malta, M. R. (2015). Fatty acid profiles and parameters of quality of specialty coffees produced in different Brazilian regions. African Journal of Agricultural Research, 10(35), 3484–3493. https://doi.org/10.5897/AJAR2015.9697

Isquierdo, E. P., Borém, F. M., Cirillo, M. Â., de Oliveira, P. D., Cardoso, R. A., & Fortunato, V. A. (2010). Quality of desmucilado cherry coffee under intermittent drying. Coffee Science, 6(1), 83–90. https://doi.org/10.25186/cs.v6i1.229

Lingle, T. R. (2011). The coffee cupper’s handbook: systematic guide to the sensory evaluation of coffee’s flavor (4th ed.). California: Specialty Coffee Association of America.

Marques, E. R., Borém, F. M., Pereira, R. G. F. A., & Biaggioni, M. A. M. (2008). Eficácia do teste de acidez graxa na avaliação da qualidade do café Arábica (Coffea arabica L.) submetido a diferente períodos e temperaturas de secagem. Ciência e Agrotecnologia, 32(5), 1557–1562. https://doi.org/10.1590/S1413-70542008000500030

Martins, P. M. M., Ribeiro, L. S., Miguel, M. G. da C. P., Evangelista, S. R., & Schwan, R. F. (2019). Production of coffee (Coffea arabica) inoculated with yeasts: impact on quality. Journal of the Science of Food and Agriculture, 99(13), 5638–5645. https://doi.org/10.1002/jsfa.9820

Masi, C., Dinnella, C., Barnabà, M., Navarini, L., & Monteleone, E. (2013). Sensory Properties of Under-Roasted Coffee Beverages. Journal of Food Science, 78(8), S1290–S1300. https://doi.org/10.1111/1750-3841.12211

Nunes, C. A., Freitas, M. P., Pinheiro, A. C. M., & Bastos, S. C. (2012). Chemoface: a novel free user-friendly interface for chemometrics. Journal of the Brazilian Chemical Society, 23(11), 2003–2010. https://doi.org/10.1590/S0103-50532012005000073

Oliveira, A. P. L. R., Corrêa, P. C., Reis, E. L., & de Oliveira, G. H. H. (2015). Comparative Study of the Physical and Chemical Characteristics of Coffee and Sensorial Analysis by Principal Components. Food Analytical Methods, 8(5), 1303–1314. https://doi.org/10.1007/s12161-014-0007-4

Oliveira, G. H. H., Corrêa, P. C., Araújo, E. F., Valente, D. S. M., & Botelho, F. M. (2010). Desorption isotherms and thermodynamic properties of sweet corn cultivars (Zea mays L.). International Journal of Food Science & Technology, 45(3), 546–554. https://doi.org/10.1111/j.1365-2621.2009.02163.x

Pereira, L. L., Guarçoni, R. C., Pinheiro, P. F., Osório, V. M., Pinheiro, C. A., Moreira, T. R., & ten Caten, C. S. (2020). New propositions about coffee wet processing: Chemical and sensory perspectives. Food Chemistry, 310(December 2019), 125943. https://doi.org/10.1016/j.foodchem.2019.125943

Ribeiro, L. S., Miguel, M. G. da C. P., Evangelista, S. R., Martins, P. M. M., van Mullem, J., Belizario, M. H., & Schwan, R. F. (2017). Behavior of yeast inoculated during semi-dry coffee fermentation and the effect on chemical and sensorial properties of the final beverage. Food Research International, 92, 26–32. https://doi.org/10.1016/j.foodres.2016.12.011

Saath, R., Biaggioni, M. A. M., Borém, F. M., Broetto, F., & Fortunato, V. A. (2012). Alterações na composição química e sensorial de café (Coffea arabica L.) nos processos pós-colheita. Energia Na Agricultura, 27(2), 96. https://doi.org/10.17224/EnergAgric.2012v27n2p96-112

Silva Taveira, J. H., Borém, F. M., Figueiredo, L. P., Reis, N., Franca, A. S., Harding, S. A., & Tsai, C.-J. (2014). Potential markers of coffee genotypes grown in different Brazilian regions: A metabolomics approach. Food Research International, 61, 75–82. https://doi.org/10.1016/j.foodres.2014.02.048

SCAA. (2009). Metodologia SCAA de avaliação de cafés especiais: guia rápido - green coffee. Specialty Coffee Association. http://coffeetraveler.net/wp-content/files/903-SCAACuppingMethod_RESUMO_3a.pdf

Taveira, J. H. da S., Rosa, S. D. V. F. da, Borém, F. M., Giomo, G. S., & Saath, R. (2012). Perfis proteicos e desempenho fisiológico de sementes de café submetidas a diferentes métodos de processamento e secagem. Pesquisa Agropecuária Brasileira, 47(10), 1511–1517. https://doi.org/10.1590/S0100-204X2012001000014

United States Department of Agriculture (USDA). (2020). Coffee: World Markets and Trade. https://apps.fas.usda.gov/psdonline/circulars/coffee.pdf

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Published

18/08/2021

How to Cite

MOREIRA, R. V.; CORRÊA, J. L. G. .; MACEDO, L. L.; ARAÚJO, C. da S. .; VIMERCATI, W. C. .; SOUZA, A. U. de .; PETRI JÚNIOR, I.; JUNQUEIRA, J. R. de J. . Sensory quality of parchment coffee subjected to drying at different air temperatures and relative humidities. Research, Society and Development, [S. l.], v. 10, n. 10, p. e541101019351, 2021. DOI: 10.33448/rsd-v10i10.19351. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/19351. Acesso em: 12 nov. 2024.

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Section

Agrarian and Biological Sciences