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[Evaluation of the starch fraction in corn products consumed regionally]. / Evaluación de la fracción amilácea en productos de maíz de consumo regional.
Arch Latinoam Nutr ; 35(4): 640-53, 1985 Dec.
Article em Es | MEDLINE | ID: mdl-3842927
The purpose of this study was to evaluate through conventional analytical procedures, the degree of modification of the starch fraction of regional products based on corn, such as grits, flours, precooked grits, flakes, precooked flour, "frangollo" and "locrillo." Based on the interpretation of changes in the starch fraction, the following conclusions are reached. Corn grits, flours, "frangollo" and "locrillo" are raw corn products subjected to physical processes such as shelling, degermination and size reduction. They do not show changes in their physicochemical characteristics. Precooked grits present certain structural modification (among others, changes in their rheologic behavior) and partial molecular change (among others, changes in the insoluble carbohydrate fraction), indicating that they have been subjected to processes wherein factors such as temperature, moisture and/or pressure intervene. Corn flakes and precooked flours show a high enzyme digestibility and a high degree of change in their functional properties (mainly, in regard to solubility, absorption and viscosity). These changes indicate modification at granular and molecular level.
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Amido / Zea mays / Farinha Limite: Humans País/Região como assunto: America do sul / Argentina Idioma: Es Revista: Arch Latinoam Nutr Ano de publicação: 1985 Tipo de documento: Article País de publicação: Venezuela
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Amido / Zea mays / Farinha Limite: Humans País/Região como assunto: America do sul / Argentina Idioma: Es Revista: Arch Latinoam Nutr Ano de publicação: 1985 Tipo de documento: Article País de publicação: Venezuela