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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
22/11/2005 |
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Data da última atualização: |
22/11/2005 |
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Autoria: |
AZEREDO, H. M. C. de; ARAÚJO, F. B. S.; SOUZA, A. C. R. de; SOUZA NETO, M. A. de; GARRUTI, D. dos S. |
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Título: |
Maximization of the performance ratio of osmotic dehydration of mango cubes. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Proceedings of the Interamerican Society for Tropical Horticulture, v. 47, p.200-202, 2003. |
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ISSN: |
0245-2528 |
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Idioma: |
Inglês |
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Conteúdo: |
The concentration gradients resulting from dipping fruits in a hyperconcentrated solution cause the fruit to lose water and gain solids. The solid gain results in undesirable sensory changes. The aim of this work was to maximize the performance ratio (PR: defined as the ratio of water loss to solid gain) of osmotic dehydration of mango cubes. Two experiments were carried out, by using non-coated (A) and alginate-coated (B) mango cubes. Each experiment was performed according to a central composite design, varying temperature (30-50°C) and concentration of osmotic solution (50-70°Brix). Maximum PR was predicted to occur under the following conditions: 46°C, 65,5°Brix, for A; 44°C, 65.5°Brix, for B. The PR values of 5.16 and 9.51 were observed, respectively, for A and B under such conditions. The alginate coating increased water loss and reduced solid gain, enhancing the PR of the process. |
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Palavras-Chave: |
Relação de performance. |
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Thesagro: |
Manga; Osmose. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01558naa a2200217 a 4500
001 1653189
005 2005-11-22
008 2003 bl uuuu u00u1 u #d
022 $a0245-2528
100 1 $aAZEREDO, H. M. C. de
245 $aMaximization of the performance ratio of osmotic dehydration of mango cubes.
260 $c2003
520 $aThe concentration gradients resulting from dipping fruits in a hyperconcentrated solution cause the fruit to lose water and gain solids. The solid gain results in undesirable sensory changes. The aim of this work was to maximize the performance ratio (PR: defined as the ratio of water loss to solid gain) of osmotic dehydration of mango cubes. Two experiments were carried out, by using non-coated (A) and alginate-coated (B) mango cubes. Each experiment was performed according to a central composite design, varying temperature (30-50°C) and concentration of osmotic solution (50-70°Brix). Maximum PR was predicted to occur under the following conditions: 46°C, 65,5°Brix, for A; 44°C, 65.5°Brix, for B. The PR values of 5.16 and 9.51 were observed, respectively, for A and B under such conditions. The alginate coating increased water loss and reduced solid gain, enhancing the PR of the process.
650 $aManga
650 $aOsmose
653 $aRelação de performance
700 1 $aARAÚJO, F. B. S.
700 1 $aSOUZA, A. C. R. de
700 1 $aSOUZA NETO, M. A. de
700 1 $aGARRUTI, D. dos S.
773 $tProceedings of the Interamerican Society for Tropical Horticulture$gv. 47, p.200-202, 2003.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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