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Type: Artigo de periódico
Title: Optimization of annatto (Bixa orellana L.) drying in fixed bed
Author: Faria, L.J.G.
Rocha, S.C.S.
Abstract: The drying of annatto seeds (Bixa orellana L.), red piave cultivate, was studied in a fixed bed dryer. The best conditions were estimated to minimize the loss of coloring and to obtain final moisture of the seeds in appropriate levels to its conservation and maintenance of quality. The quantification of the influence of entrance variables in the final contents of bixin and moisture seeds and the identification of the optimal point was performed through the techniques of factorial design, response surfaces methodology, canonical analysis and desirability function. It was verified that the final moisture of the seeds may be estimated by a second-order polynomial model and that the final content of bixin is only significantly influenced by the time of drying being described properly by a linear model, for the seeds used in this study.
Subject: drying
response surfaces methodology
Editor: Brazilian Society of Chemical Engineering
Rights: aberto
Identifier DOI: 10.1590/S0104-66322000000400013
Date Issue: 1-Dec-2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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