ArticleFoods (Basel, Switzerland)2022
Identifying Quality Protein Maize Inbred Lines for Improved Nutritional Value of Maize in Southern Africa.
Article in Foods (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 12 citations in OpenAlex.
- Commercial planting of genetically modified maize lowers pest damage, yield loss and pesticide usage in Northeast China.Pest management science · 2026Article
- Maize Biofortification Approaches for Fighting Malnutrition in Sub-Saharan Africa.Plant-environment interactions (Hoboken, N.J.) · 2026Review
- Article
- Early Sowing Approach for Developing Climate Resilient Maize: Cold Stress Impact on Germination of Adapted Inbred Lines with High Nutritive Value.Plants (Basel, Switzerland) · 2025Article
- Developing an Acceptable Nixtamalised Maize Product for South African Consumers: Sensory, Survey and Nutrient Analysis.Foods (Basel, Switzerland) · 2024Article
- Rapid Tryptophan Assay as a Screening Procedure for Quality Protein Maize.Molecules (Basel, Switzerland) · 2024Article
- Comparative transcriptome profiling reveals the mechanism of increasing lysine and tryptophan content through pyramidingBreeding science · 2024Article
- In vitro determination of the protein quality of maize varieties cultivated in Malawi using the INFOGEST digestion method.Heliyon · 2023Article
- Article
- Multiple Approaches to Improve the Quality of Cereal-Based Foods.Foods (Basel, Switzerland) · 2022Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Malnutrition, as a result of deficiency in essential nutrients in cereal food products and consumption of a poorly balanced diet, is a major challenge facing millions of people in developing countries. However, developing maize inbred lines that are high yielding with enhanced nutritional traits for hybrid development remains a challenge. This study evaluated 40 inbred lines: 26 quality protein maize (QPM) lines, nine non-QPM lines, and five checks (three QPM lines and two non-QPM lines) in four optimum environments in Zimbabwe and South Africa. The objective of the study was to identify good-quality QPM inbred lines for future hybrid breeding efforts in order to increase the nutritional value of maize. The QPM lines had a lower protein content (7% lower) than that of the non-QPM lines but had 1.9 times more tryptophan and double the quality index. The lysine- and tryptophan-poor α-zein protein fraction was 41% lower in QPM than in non-QPM, with a subsequent increase in γ-zein. There was significant variation within the QPM inbred lines for all measured quality characteristics, indicating that the best lines can be selected from this material without a yield penalty. QPM lines that had both high protein and tryptophan levels, which can be used as parents for highly nutritious hybrids, were identified.
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