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Featured researches published by Guilherme Euripedes Alves.


Ciencia E Agrotecnologia | 2012

Quality of natural coffee subjected to different rest periods during the drying process

Eder Pedroza Isquierdo; Flávio Meira Borém; Pedro Damasceno Oliveira; Valdiney Cambuy Siqueira; Guilherme Euripedes Alves

Rest periods during the coffee drying process may help improve the final coffee quality and reduce power consumption. The objective of the present study was to evaluate the effect of the moisture content of coffee fruit at the point when the drying process is temporarily interrupted on the quality of natural coffee using sensory analysis and electrical conductivity and potassium leaching tests. Ripe coffee fruits were manually and selectively harvested, sun-dried in a concrete yard for two days and subjected to mechanical drying in fixed-bed dryers. When the coffee reached moisture contents of 20%, 17% and 14% (wet basis, wb), the drying process was interrupted, and the coffee was allowed to remain at rest for 5, 15 or 30 days. Following this rest period, the coffee was dried in mechanical dryers until reaching a moisture content of 11% (wb). The control condition was complete drying in the yard. The combination of lowest moisture content with greatest period of rest and the combination of greatest moisture content and shortest period of rest resulted in the lowest values of potassium leaching. The beverage quality gradually improved as the duration of the rest period increased. Coffee subjected to a rest period at moisture contents of 17% and 20% (wb) did not alter the quality compared to that from drying in the yard.


Transactions of the ASABE | 2013

DRYING KINETICS AND QUALITY OF NATURAL COFFEE

Eder Pedroza Isquierdo; Flávio Meira Borém; E. T. de Andrade; J. L. G. Correa; P. D. de Oliveira; Guilherme Euripedes Alves


Coffee Science | 2013

DRYING KINETICS OF NATURAL COFFEE FOR DIFFERENT TEMPERATURES AND LOW RELATIVE HUMIDITY

Guilherme Euripedes Alves; Eder Pedroza Isquierdo; Flávio Meira Borém; Valdiney Cambuy Siqueira; Pedro Damasceno de Oliveira; Ednilton Tavares Andrade


Coffee Science | 2018

QUALITY OF NATURAL COFFEE DRIED UNDER DIFFERENT TEMPERATURES AND DRYING RATES

Flávio Meira Borém; Eder Pedroza Isquierdo; Guilherme Euripedes Alves; Diego Egídio Ribeiro; Valdiney Cambuy Siqueira; José Henrique da Silva Taveira


Coffee Science | 2017

Cinética de secagem de café natural beneficiado com alto teor de água

Valdiney Cambuy Siqueira; Flávio Meira Borém; Guilherme Euripedes Alves; Eder Pedroza Isquierdo; Afonso Celso Ferreira Pinto; Diego Egídio Ribeiro; Fabiana Carmanini Ribeiro


Acta Scientiarum-agronomy | 2017

Physiological and sensorial quality of Arabica coffee subjected to different temperatures and drying airflows

Guilherme Euripedes Alves; Flávio Meira Borém; Eder Pedroza Isquierdo; Valdiney Cambuy Siqueira; Marcelo Ângelo Cirillo; Afonso Celso Ferreira Pinto


Coffee Science | 2016

Secagem por spray drying de extrato de folha de café

Jefferson Luiz Gomes Corrêa; Kamilla Soares de Mendonça; Leonardo Reis Rodrigues; Mário Lúcio Vilela de Resende; Guilherme Euripedes Alves


XXXVII Congresso Brasileiro de Sistemas Particulados | 2015

SECAGEM CONVECTIVA DE YACON: INFLUÊNCIA DO PRÉ-TRATAMENTO OSMÓTICO E DA TEMPERATURA DE SECAGEM

Francemir José Lopes; Ronaldo Elias De Mello Junior; Andreza Pereira Lage Da Silveira; Guilherme Euripedes Alves; João Renato de Jesus Junqueira; Jefferson Luiz Gomes Corrêa


XXXVII Congresso Brasileiro de Sistemas Particulados | 2015

AJUSTE DE MODELOS SEMITEÓRICOS PARA PREDIÇÃO DE CINÉTICA DE SECAGEM DE YACON (SMALLANTHUS SONCHIFOLIUS)

Francemir José Lopes; Ronaldo Elias De Mello Junior; Guilherme Euripedes Alves; Kamilla Soares de Mendonça; Kênia Cristiny Ribeiro Da Silva; Jefferson Luiz Gomes Corrêa


Archive | 2015

Perfil enzimático da superóxido dismutase na avaliação de grãos de cafés desmucilados

Murilo Ferraz Tosta; Sttela Dellyzete Veiga Franco da Rosa; Ana Claudia Almeida da Silva; Guilherme Euripedes Alves; Diego Egídio Ribeiro; Marcos Paulo Santos Luz; Carlos Henrique Cardeal Guiraldeli; Diego Domingues Macedo; Flávio Meira Borém

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Flávio Meira Borém

Universidade Federal de Lavras

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Eder Pedroza Isquierdo

Universidade Federal de Lavras

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Valdiney Cambuy Siqueira

Universidade Federal de Rondônia

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Diego Egídio Ribeiro

Universidade Federal de Lavras

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Sttela Dellyzete Veiga Franco da Rosa

Empresa Brasileira de Pesquisa Agropecuária

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