1971
DOI: 10.1111/j.1365-2621.1971.tb02019.x
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Full‐fat Soy Flour Extrusion Cooked: Properties and Food Uses

Abstract: Full-fat soy flours prepared by the extrusion process were shown to have good nutritive value, flavor, and stability. A flour cooked to a nitrogen solubility index (NSII of 30 stored well, but the addition of tertiary butyl hydroguinone was necessary to prevent rancidity in flours cooked to 19 and 11 NSI values. The 30 NSI flour was more yellow than a commercial flour cooked to the same degree by a different process. When soy flours were compared in bread to 3 and 6% nonfat dry milk on an equivalent protein, f… Show more

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Cited by 38 publications
(18 citation statements)
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“…However, one of the advantages of extrusion cooking is the destruction of antinutritional factors, especially trypsin inhibitors, haemagglutinins, tannins and phytates, all of which inhibit protein digestibility (Alonso et al, 2000;Armour et al, 1998;Bookwalter et al, 1971;Lorenz and Jansen, 1980). The most widely used cereals for producing extrudates are maize and wheat.…”
Section: Introductionmentioning
confidence: 97%
“…However, one of the advantages of extrusion cooking is the destruction of antinutritional factors, especially trypsin inhibitors, haemagglutinins, tannins and phytates, all of which inhibit protein digestibility (Alonso et al, 2000;Armour et al, 1998;Bookwalter et al, 1971;Lorenz and Jansen, 1980). The most widely used cereals for producing extrudates are maize and wheat.…”
Section: Introductionmentioning
confidence: 97%
“…Solvent extraction is the main process to produce defatted soybean meal, combined with heating to evaporate residual hexane; hence, full-fat soy flour (or whole soybean) has a lower protein content, but at higher protein dispersibility indices and no residual solvent (Camire 1991). The main problem of full-fat soy flour (or whole soybean) extrusion cooking is the high fat content which causes shear reduction, oil separation (Crowe and Johnson 2001) and a lower oxidative stability (Bookwalter et al 1971).…”
Section: Introductionmentioning
confidence: 99%
“…A extrusão propicia a obtenção de dispersões de farinhas pré-cozidas com menor viscosidade devido às modificações provocadas no material amiláceo [11]. O uso da extrusão em soja pode inativar efetivamente a lipoxigenase e os inibidores de tripsina, mantendo a disponibilidade de lisina [2,14,45], além de modificar suas estrutura e textura como conseqüência das alterações ocorridas na proteína [32].…”
Section: -Introduçãounclassified
“…A extrusão propicia a obtenção de dispersões de farinhas pré-cozidas com menor viscosidade devido às modificações provocadas no material amiláceo [11]. O uso da extrusão em soja pode inativar efetivamente a lipoxigenase e os inibidores de tripsina, mantendo a disponibilidade de lisina [2,14,45], além de modificar suas estrutura e textura como conseqüência das alterações ocorridas na proteína [32].Desta forma, este trabalho teve como objetivo avaliar a AA, a solubilidade e a dispersibilidade das farinhas de milho-soja (70:30) pré-cozidas por extrusão, verificando o efeito da temperatura de extrusão e visando a possibilidade de utilizá-las na melhoria de característi-cas tecnológicas de produtos alimentícios. …”
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