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SECAGEM CONVECTIVA DA ACEROLA (Malphigia emarginata DC.): APLICAÇÃO DE MODELOS SEMITEÓRICOS

Authors: Moraes Filho, Francisco Canindé de; Oliveira, Edson Leandro de; Nobrega, Erly Maria Medeiros de Araujo; Oliveira, Jackson Araújo de; Correia, Roberta Targino Pinto;

SECAGEM CONVECTIVA DA ACEROLA (Malphigia emarginata DC.): APLICAÇÃO DE MODELOS SEMITEÓRICOS

Abstract

A acerola é uma planta medicinal originária da América do Sul, muito rica em vitamina C, que exerce um efeito preventivo e curativo em caso de doenças infecciosas. Estima-se que 40% dos frutos da acerola são desperdiçados após a colheita. Este fato está aliado a sua alta perecibilidade e também devido a sua maior comercialização na forma in natura. O presente trabalho visou avaliar preliminarmente as curvas de secagem do resíduo da acerola (Malphigia emarginata DC.) em secador de bandejas. A partir dessas curvas foram obtidos dados de taxa de secagem e as constantes de velocidade, além do ajuste de modelos semiteóricos aos dados experimentais. As curvas de secagem foram obtidas, utilizando-se um secador de bandejas nas temperaturas de 60, 70 e 80°C e com velocidade do ar de secagem de 4,0 e 6,0 m/s. Os dados experimentais foram ajustados aos modelos de Lewis e Henderson e Pabis, resultando, para todos os casos, em um coeficiente de regressão (R²) superior a 0,96. Com base nos resultados apresentados pode-se concluir que, para as condições operacionais utilizadas, a cinética de secagem do resíduo da acerola ocorreu nos períodos de taxa constante e decrescente; a cinética foi influenciada tanto pela velocidade do ar de secagem quanto pela temperatura de operação.

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A, General Works

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    popularity
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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
Green
gold