Amino Acid Balance of Proteins of Maize and Sorghum

Ahuja , V.P. and Singh, J. and Naik, M.S. (1970) Amino Acid Balance of Proteins of Maize and Sorghum. Indian Journal of Genetics and Plant Breeding, 30 (3). pp. 727-731.

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Abstract

In maize, as in sorghum, prolamin is a major protein fraction and is responsible for the poor biological value of the protein. Prolamin contains excessive quantities of glutamic acid, proline and leucine and is deficient in cysteine, methionine, lysine and tryptophan. The leucine to isoleucine ratio in this fraction is greater than four. Albumin and globulin fractions of sorghum have a blanaced amino acid pattern. The quality of proteins in these grains is thus inversely proportional to the prolamin content. New varieties of maize containing opaque and fluory genes showed balanced amino acid composition with high lysine concentration and a low leucine to isoleucine ratio. It is suggested that breeding for low prolamin content in the case of sorghum would yield valuable results

Item Type: Article
Author Affiliation: Idian Agricultural Research Institute, New Delhi
Subjects: Plant Protection
Postharvest Management > Food Technology
Plant Physiology and Biochemistry > Biochemistry
Divisions: Maize
Sorghum
Depositing User: Mr. SanatKumar Behera
Date Deposited: 24 May 2012 06:25
Last Modified: 24 May 2012 06:25
Official URL: http://www.indianjournals.com/ijor.aspx?target=ijo...
URI: http://eprints.icrisat.ac.in/id/eprint/5705

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