2011
DOI: 10.4025/actasciagron.v33i3.7080
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Modeling of the shrinkage kinetics of coffee berries during drying

Abstract: ABSTRACT. The effects of drying conditions on the shrinkage of Coffea arabica L., cultivar Catuaí Vermelho, were studied. An exponential model derived from the kinetic model was used to describe the shrinkage kinetics. In addition, an equation was proposed to describe the relationship between the superficial areas and weights of the coffee berries. Coffee berries were dried at temperatures (T) of 35, 45, 55 RESUMO. Modelagem da cinética de contração de frutos de café durante a secagem. Neste trabalho foi es… Show more

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Cited by 2 publications
(1 citation statement)
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“…It is noted that at the beginning of drying the reduction in volume is more significant and that this reduction tends to stabilize at the lowest water levels. A similar result is reported by Oliveira et al (2011) for coffee cherries of the Catuaí Vermelho variety. According to these authors, the reduction in product volume during drying is known as shrinkage and occurs when the viscoelastic matrix contracts in the space previously occupied by the water removed from the cells.…”
Section: Size and Shapesupporting
confidence: 89%
“…It is noted that at the beginning of drying the reduction in volume is more significant and that this reduction tends to stabilize at the lowest water levels. A similar result is reported by Oliveira et al (2011) for coffee cherries of the Catuaí Vermelho variety. According to these authors, the reduction in product volume during drying is known as shrinkage and occurs when the viscoelastic matrix contracts in the space previously occupied by the water removed from the cells.…”
Section: Size and Shapesupporting
confidence: 89%