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Isolation and partial characterization of a polysaccharide gum from Cryptocarya wightiana bark.

Tharanathan, R. N. and Susheelamma, N. S. and Changala Reddy, G. and Joseph, C. (1993) Isolation and partial characterization of a polysaccharide gum from Cryptocarya wightiana bark. Starch/Staerke, 45 (10). 358-361, 19 ref..

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Abstract

Isolation and partial characterization of a gummy polysaccharide derived from the bark powder of Cryptocarya wightiana tree are described. The isolated polysaccharide is highly viscous, exhibits 'pituity' characteristics, and is composed of arabinose and xylose in 6:1 ratio, respectively. Preliminary fractionation by precipitation with alcohol gave 4 fractions of varying compositional and viscosity characteristics. The major fraction (58%) was composed of arabinose and xylose in 5:1 ratio, respectively, together with an unidentified peak (approx. 21%) coeluting at the ascending part of the arabinose peak. The gum has potential applications both in food and non-food industries.

Item Type: Article
Uncontrolled Keywords: ADDITIVES-; GUMS-; PLANTS-; STABILIZERS-
Subjects: 600 Technology > 09 Industrial oils, fats, waxes, gases > 06 Vegetable Gums
Divisions: Dept. of Biochemistry
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 08 May 2012 04:58
Last Modified: 08 May 2012 04:58
URI: http://ir.cftri.com/id/eprint/6367

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