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Physicochemical properties of gossypin (11S protein) and congossypin (7S protein) of glanded cottonseed.

Mohan Reddy, I. and Narasinga Rao, M. S. (1988) Physicochemical properties of gossypin (11S protein) and congossypin (7S protein) of glanded cottonseed. Journal of Agricultural and Food Chemistry, 36 (2). pp. 241-245.

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Abstract

Gossypin and congossypin, major storage proteins of cottonseed, are characterized by sedimentation constants (S20,wof )1 1.0 and 7.6, molecular weights of 240000 and 143000, E:: at 280 nm of 7.6 and 6.0, and UV absorption maxima of 279 and 277 nm, respectively. Both proteins have a fluorescence emission maximum at 325 nm. They have a globular shape, an oligomeric structure with subunits, and a secondary structure consisting mostly of @-pleated and aperiodic structures. The proteins are rich in glutamic acid, arginine, and aspartic acid and relatively low in sulfur amino acids.

Item Type: Article
Uncontrolled Keywords: Gossypin, congossypin, storage proteins, cottonseed
Subjects: 600 Technology > 08 Food technology > 16 Nutritive value > 03 Proteins
600 Technology > 08 Food technology > 19 Lipids-oils/fats > 03 Cotton seed
Divisions: Protein Chemistry and Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 06 Mar 2018 08:37
Last Modified: 06 Mar 2018 08:37
URI: http://ir.cftri.com/id/eprint/4849

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