Starch and water-soluble polysaccharides from sugary endosperm of sorghum

Boyer, C.D. and Liu, K.C. (1983) Starch and water-soluble polysaccharides from sugary endosperm of sorghum. Phytochemistry, 22 (11). pp. 2513-2515.

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Abstract

The starch and water-soluble polysaccharides from sugary (SII) endosperm of sorghum were isolated and characterized. Starch granule structure and composition were similar to sugary maize starch. The water-soluble polysaccharide was compared to rabbit liver glycogen and su maize phytoglycogen. Based on iodine spectra, conversion to maltose by a-amylase, average chain length, size distribution of chains after isoamylase debranching and resistance to pullulanase debranching, su sorghum water-soluble polysaccharide was concluded to be phytoglycogen. Particulate and soluble fractions of su sorghum phytoglycogen were prepared by centrifugation at 14 000 g. These fractions were similar to fractions of su maize phytoglycogen prepared by the same method. These results support the hypothesis that su maize and su sorghum are homologous mutants

Item Type: Article
Subjects: Crop Improvement
Divisions: Sorghum
Depositing User: Ms K Syamalamba
Date Deposited: 01 Mar 2012 08:48
Last Modified: 01 Mar 2012 08:48
Official URL: http://dx.doi.org/10.1016/0031-9422(83)80151-4
URI: http://eprints.icrisat.ac.in/id/eprint/3372

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