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Modeling and Characterization of Blended Guava Pomace and Pulse Powder Based Rice Extrudates
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Srikanth Tangirala
Veröffentlicht/Copyright:
19. Januar 2012
The purpose of the present work was to study the effect of guava pomace and pulse powder incorporation in to rice based extrudates on physical characteristics. Guava pomace collected after juice extraction was dried and milled. It was then added with pulse powder-rice flour blend at different combinations based on Central Composite Rotatable Design (CCRD). The independent variables were moisture content (17 – 21%), temperature (115 – 135°C), screw speed (230 – 270rpm), and varying proportion of rice, pulse and guava pomace. Higher feed moisture content resulted in extrudates with a higher density, lower expansion, higher water absorption index, lower water soluble index, and higher hardness. Higher barrel temperature resulted in reduced density, increased expansion, and water solubility index. Addition of guava pomace resulted in increase in water absorption index, hardness and decreased bulk density, expansion and water solubility index. The study suggested the guava pomace may be utilized up to the level of 10% to in Ready to Eat Snacks.
Keywords: guava pomace; bulk density; lateral expansion; water solubility index; water absorption index
Published Online: 2012-1-19
©2012 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Schlagwörter für diesen Artikel
guava pomace;
bulk density;
lateral expansion;
water solubility index;
water absorption index
Artikel in diesem Heft
- Article
- An Investigation on Physical Ageing of ?-Lactoglobulin and Implications for Its Storage
- Modeling and Predicting the High Pressure Carbon Dioxide Inactivation of Microorganisms in Foods
- The Effect of Microwave Pasteurization on Some Physical and Chemical Characteristics of Milk
- Optimization of Enzymatic Hydrolysis Conditions for Preparation of Gingko Peptides from Ginkgo Nuts
- Effects of Fermentation on Nutritional and Functional Properties of Soybean, Maize, and Germinated Sorghum Composite Flour
- Effect of Gluten Powder on the Quality of Fresh Spaghetti Made with Farina
- Effect of process conditions and carrier concentration for improving drying yield and other quality attributes of spray dried black mulberry (Morus nigra) juice
- Modelling Thermodynamic Properties of Banana Waste by Analytical Derivation of Desorption Isotherms
- Drying Behaviour and Change in Colour and Textural Properties of Mushroom During Drying
- Density and Dynamic Viscosity of Bovine Milk Affect by Temperature and Composition
- Assessment of Physical and Chemical Aspects of New Persian Walnut Cultivars to Optimize Process Conditions
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