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Effect of Extraction Temperature on Functional Properties of Rice Bran Protein Concentrates
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Shweta Gupta
Published/Copyright:
March 31, 2008
Protein concentrates were prepared from defatted rice bran at different extraction temperature (30-75°C) and analyzed for their functional properties. Protein yield increased as the temperature of extraction was increased while the protein content of protein concentrate decreased. Water binding capacity was in the range of 1.1-2.27 g/g while oil absorption capacity ranged between 1.64 and 6.89 (g/g). RBPC extracted at 60°C exhibited maximum foam producing capacity of 120% at 1% salt concentration. Emulsifying capacity of protein concentrates ranged between 33.71-70.85%. Emulsion capacity decreased as the temperature of extraction was increased. Emulsions were fairly stable under different pH, salt and sugar concentrations.
Keywords: rice bran; protein concentrates; water absorption; oil absorption; nitrogen solubility; foaming; emulsions
Published Online: 2008-3-31
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Keywords for this article
rice bran;
protein concentrates;
water absorption;
oil absorption;
nitrogen solubility;
foaming;
emulsions
Articles in the same Issue
- Article
- Optimization of Osmotic Dehydration Process of Carrot Cubes in Sodium Chloride Solution
- Fatty Acid Composition of Turkey Meat Sucuk (Soudjuck), Salami, and Sausages
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- Equilibrium Moisture Content Models for Lafun
- Optimisation of Cassava Pellet Processing Method
- Numerical Simulation of the Water Diffusion in Cylindrical Solids
- Thin Layer Drying Characteristics of Eriste: A Dried Cereal Product of Turkey
- Effect of Extraction Temperature on Functional Properties of Rice Bran Protein Concentrates
- Experimental Studies on Pressure Control Using Intelligent PI Fuzzy Supervisory Approach
- Media Optimization for the Production of ?- Linolenic Acid by Cunninghamella echinulata var.elegans MTCC 552 Using Response Surface Methodology
- Increasing Shelf Life of Strawberries Using an Irradiation-Cooling Process
- Combined Radiant and Conductive Vacuum Drying in a Vibrated Bed
- Enzyme Hydrolysis of Silk Fibroin and the Anti-diabetic Activity of the Hydrolysates
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