Quantification of Mineral Composition and Total Protein Content in Sorghum [Sorghum Bicolor (L.) Moench] Genotypes

被引：16
|
作者：
Gerrano, A. S. [1 ,2 ]
Labuschagne, M. T. [1 ]
van Biljon, A. [1 ]
Shargie, N. G. [3 ]
机构：
[1] Univ Free State, Dept Plant Sci, POB 339, ZA-9300 Bloemfontein, South Africa
[2] Agr Res Council, Vegetable & Ornamental Plants Inst, Private Bag X293, ZA-0001 Pretoria, South Africa
[3] Agr Res Council, Grain Crops Inst, Private Bag X1251, ZA-2520 Potchefstroom, South Africa
来源：
CEREAL RESEARCH COMMUNICATIONS | 2016年 / 44卷 / 02期
关键词：
mineral content; principal component analysis; protein; sorghum; CHEMICAL-COMPOSITION; HUMAN FOOD; GRAIN; QUALITY; IRON;
D O I：
10.1556/0806.43.2015.046
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Sorghum is a drought tolerant cereal and staple food which is a dietary source of protein and more than 20 minerals. The concentration of the mineral elements and protein content in sorghum varies due to genotypic and environmental influences and genotype by environment interactions. The objective of this study was to determine the contents of eight mineral elements (Ca, Fe, K, Mn, Na, P, Zn and Mg) and protein in sorghum genotypes. The analysis of variance showed significant differences in mineral and protein contents. There was a significant relationship between Zn and Fe and between protein and P and Zn. The principal component (PC) analysis showed that Fe, Mn, P, Zn and protein contributed largely to clustering of the genotypes in PC1; Ca, P and Mg to PC2 and Ca, K and Na to PC3. The presence of a considerable amount of compositional variability of mineral and protein contents among tested genotypes suggests that they can be a valuable source of genes for nutritional quality improvement of sorghum.
引用
收藏
页码：272 / 285
页数：14
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