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Modelling the gelling behaviour of linseed polysaccharide.

Susheelamma, N. S. and Chand, N. and Rajalakshmi, D. (1991) Modelling the gelling behaviour of linseed polysaccharide. Journal of Texture Studies, 22 (4). 413-421, 12 ref..

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Gelling behaviour of linseed polysaccharide was measured in the presence of sucrose as a function of both polysaccharide and sucrose concn. Yield stress, consistency index, and flow behaviour index were determined using the Herschel-Bulkley model. Transition concn. of 0.7% for the polysaccharide and 55% for sucrose were found. Yield stress and consistency index increased with both polysaccharide and sucrose concn. while flow behaviour index decreased. A polynomial model of the third degree on centred data after natural log transformation was found to give a satisfactory fit for the variations in rheological constants. Models for both yield stress and consistency index were a complex power law, and for flow behaviour index a complex semi-log relationship, on sucrose and polysaccharide concn. [It is suggested that the ability of the linseed polysaccharides to form a gel with sucrose could make it useful as a clarifying agent in khandar sugar processing.]

Item Type: Article
Subjects: 500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 28 Polysaccharide Chemistry
600 Technology > 08 Food technology > 19 Lipids-oils/fats > 01 Oilseeds
Divisions: Dept. of Biochemistry
Sensory Science
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 26 May 2016 12:27
Last Modified: 26 May 2016 12:27
URI: http://ir.cftri.res.in/id/eprint/7986

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