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Articles

Propiedades funcionales de harinas de maíz nixtamalizado obtenidas por extrusión a baja temperatura

Functional properties of extruded corn flour obtained at low temperature

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Pages 263-270 | Received 18 Jun 2013, Accepted 31 Aug 2013, Published online: 05 Dec 2013

Figures & data

Tabla 1. Diseño de experimentos para obtención de harinas de maíz extrudidas.

Table 1. Experimental design for obtaining extruded corn flour.

Tabla 2. Humedad y CAAS de harinas de maíz extrudidas.

Table 2. Moisture content of corn flours and water absorption capacity from extrusion corn flours.

Figura 1. Fuerza de adhesión en la masa (N).

Figure 1. Adhesiveness (N).

Figura 1. Fuerza de adhesión en la masa (N).Figure 1. Adhesiveness (N).

Figura 2. Fuerza de dureza en la masa (N).

Figure 2. Hardness of the corn masa (N).

Figura 2. Fuerza de dureza en la masa (N).Figure 2. Hardness of the corn masa (N).

Figura 3. Índice de solubilidad en agua (%).

Figure 3. Water solubility index (%).

Figura 3. Índice de solubilidad en agua (%).Figure 3. Water solubility index (%).

Figura 4. Índice de absorción de agua (kg gel/kg harina).

Figure 4. Water absorption index (kg gel/kg corn flour).

Figura 4. Índice de absorción de agua (kg gel/kg harina).Figure 4. Water absorption index (kg gel/kg corn flour).

Figura 5. Perfiles de viscosidad de harinas extrudidas comparadas con nixtamal.

Figure 5. Viscosity profiles of extruded corn flour compared with nixtamal.

Figura 5. Perfiles de viscosidad de harinas extrudidas comparadas con nixtamal.Figure 5. Viscosity profiles of extruded corn flour compared with nixtamal.

Tabla 3. Vectores principales de acuerdo al análisis de componentes principales, para tres componentes.

Table 3. Eigen vectors by principal components analysis for three components.

Figura 6. Análisis de componentes principales (ACP); 1PC = primer componente principal; 2PC = segundo componente principal.

Figure 6. Principal components analysis (PCA); 1PC = first principal component; 2PC = second principal component.

Figura 6. Análisis de componentes principales (ACP); 1PC = primer componente principal; 2PC = segundo componente principal.Figure 6. Principal components analysis (PCA); 1PC = first principal component; 2PC = second principal component.

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