Nutritional Quality of Sorghum Seeds: Storage Proteins and Amino Acids
2008
Vendemiatti, Ariane | Ferreira, Renato Rodrigues | Gomes, Luiz Humberto | Medici, Leonardo Oliveira | Azevedo, Ricardo Antunes
One sorghum commercial genotype (MASSA 03) and nine ICRISAT high-lysine genotypes from India were analyzed for storage protein content, distribution profile, and soluble amino acid concentrations. Storage proteins fraction were extracted and separated by SDS-PAGE. Soluble amino acids contents were determined by HPLC. Variations in intensity and appearance and disappearance of protein bands were observed among the sorghum genotypes suggesting genetic variability. Amino acid profile also indicated large variations in the amino acid concentrations. The high lysine and threonine soluble concentrations observed in the seeds of the sorghum genotypes encouraged the use of these genotypes as potential food source due to the better balanced amino acids profile.
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