Abstract
Mixtures of sesame cake (0–20%) and corn grits processed in a single-screw extruder to improve the nutritional value of corn-expanded extrudates. Response surface methodology (RSM) was used to analyse the effect of screw speed (X1) and sesame cake level (X2) on the objective (radial expansion ratio (Y1), hardness (Y2), degree of gelatinization (Y3), and water solubility index (Y4)) attributes of a corn-based sesame cake extrudates. The optimum acceptable regions determined from subjective decision and previous studies by referred authors. Therefore, it assumed that radial expansion ratio should be more than 4, hardness should be less than 7.7 kgf, degree of gelatinization should be more than 69%, and water solubility index should be less than 2.9%. Individual contour plots of the different responses were overlaid, and regions meeting the optimum radial expansion ratio of 4.03, hardness of 7.51 (kgf), degree of gelatinization of 69.28(%), and water solubility index of 2.87 (%) were identified at the screw speed of 311 rpm and the sesame cake level of 16%, respectively.
Acknowledgement
Assistances from Mr. Ying-Da Chen for this study are greatly appreciated.
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©2014 by Walter de Gruyter Berlin / Boston
Articles in the same Issue
- Frontmatter
- Review Article
- The Effect of Lactic Acid Bacteria in Food and Feed and Their Impact on Food Safety
- Research Articles
- Milk-Coagulating Extract Produced from Solanum aethiopicum Shum Fruits: Multivariate Techniques of Preparation, Thermal Stability and Effect on Milk Solids Recovery in Curd
- Optimal Removal of Experimental Points to Determine Apparent Thermal Diffusivity of Canned Products
- Mathematical Modelling of Heat Transfer in Mortadella Bologna PGI during Evaporative Pre-Cooling
- Preparation of Oxidized Starch Using Environment Friendly Chlorine Dioxide as Oxidant
- Assessment of Quality Attributes of Banana Slices Dried by Different Drying Methods
- Effects of High Hydrostatic Pressure Treated Mung Bean Starch on Characteristics of Batters and Crusts from Deep-Fried Pork Nuggets
- Exergy and Energy Analysis, Drying Kinetics and Mathematical Modeling of White Mulberry Drying Process
- Convective Drying of Apples: Kinetic Study, Evaluation of Mass Transfer Properties and Data Analysis using Artificial Neural Networks
- Identification of Eggshell Crack using BPNN and GANN in Dynamic Frequency Analysis
- Optimization of Osmotic Dehydration of Seedless Guava (Psidium guajava L.) in Sucrose Solution using Response Surface Methodology
- Effects of Screw Speed and Sesame Cake Level on Optimal Operation Conditions of Expanded Corn Grits Extrudates
- Evaluation and Optimization of Steam and Lye Peeling Processes of Sweet Potato (Ipomea batatas) using Response Surface Methodology (RSM)
- Physical Properties of Naked Oat Seeds (Avena nuda L.)
Articles in the same Issue
- Frontmatter
- Review Article
- The Effect of Lactic Acid Bacteria in Food and Feed and Their Impact on Food Safety
- Research Articles
- Milk-Coagulating Extract Produced from Solanum aethiopicum Shum Fruits: Multivariate Techniques of Preparation, Thermal Stability and Effect on Milk Solids Recovery in Curd
- Optimal Removal of Experimental Points to Determine Apparent Thermal Diffusivity of Canned Products
- Mathematical Modelling of Heat Transfer in Mortadella Bologna PGI during Evaporative Pre-Cooling
- Preparation of Oxidized Starch Using Environment Friendly Chlorine Dioxide as Oxidant
- Assessment of Quality Attributes of Banana Slices Dried by Different Drying Methods
- Effects of High Hydrostatic Pressure Treated Mung Bean Starch on Characteristics of Batters and Crusts from Deep-Fried Pork Nuggets
- Exergy and Energy Analysis, Drying Kinetics and Mathematical Modeling of White Mulberry Drying Process
- Convective Drying of Apples: Kinetic Study, Evaluation of Mass Transfer Properties and Data Analysis using Artificial Neural Networks
- Identification of Eggshell Crack using BPNN and GANN in Dynamic Frequency Analysis
- Optimization of Osmotic Dehydration of Seedless Guava (Psidium guajava L.) in Sucrose Solution using Response Surface Methodology
- Effects of Screw Speed and Sesame Cake Level on Optimal Operation Conditions of Expanded Corn Grits Extrudates
- Evaluation and Optimization of Steam and Lye Peeling Processes of Sweet Potato (Ipomea batatas) using Response Surface Methodology (RSM)
- Physical Properties of Naked Oat Seeds (Avena nuda L.)