Mathematical Modeling of Convective Air Drying of Quinoa-Supplemented Feed for Laboratory Rats

Brazilian Archives Of Biology And Technology

Endereço:
Rua Professor Algacyr Munhoz Mader 3775, CIC
Curitiba / PR
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Site: http://www.scielo.br/babt
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ISSN: 15168913
Editor Chefe: Carlos Ricardo Soccol
Início Publicação: 30/11/1946
Periodicidade: Bimestral
Área de Estudo: Biologia geral

Mathematical Modeling of Convective Air Drying of Quinoa-Supplemented Feed for Laboratory Rats

Ano: 2011 | Volume: 54 | Número: 1
Autores: Antonio Vega-Gálvez, Alexies Dagnino-Subiabre, Gonzalo Terreros, Jessica López, Margarita Miranda, Karina Di Scala
Autor Correspondente: Antonio Vega-Gálvez | [email protected]

Palavras-chave: rat feed, quinoa, drying kinetics, modeling, statistical test

Resumos Cadastrados

Resumo Inglês:

Drying kinetics of quinoa-supplemented feed for laboratory rats during processing at 50, 60, 70, 80 and 90ºC was
studied and modeled in this work. Desorption isotherm was obtained at 60ºC giving a monolayer moisture content
of 0.04 g water/g d.m. The experimental drying curves showed that drying process took place only in the falling rate
period. Several thin-layer drying equations available in the literature were evaluated based on determination
coefficient (r2), sum squared errors (SSE) and Chi-square (c2) statisticals. In comparison to the experimental
moisture values, the values estimated with the Logarithmic model gave the best fit quality (r2 >0.994, SSE <
0.00015 and c2 < 0.00018), showing this equation could predict very accurately the drying time of rat feed under
the operative conditions applied.