Quality Protein Maize

Quality Protein Maize

Quality Protein Maize (QPM) is a variety of maize that has been biofortified to increase the levels of essential amino acids, particularly lysine and tryptophan. This type of maize was developed to address the issue of protein malnutrition, especially in regions where maize is a staple food.

History

The development of Quality Protein Maize began in the 1960s by the International Maize and Wheat Improvement Center (CIMMYT). The initial varieties of QPM were not widely accepted due to their poor agronomic traits. However, in the 1990s, CIMMYT developed new varieties of QPM that had improved agronomic traits and higher levels of lysine and tryptophan.

Nutritional Value

Quality Protein Maize has higher levels of lysine and tryptophan compared to regular maize. These two amino acids are essential for human health but are deficient in regular maize. The increased levels of these amino acids in QPM make it a more nutritionally complete food source.

Cultivation

Quality Protein Maize can be cultivated in the same way as regular maize. It is a versatile crop that can be grown in a variety of climates and soil types. The cultivation practices for QPM are the same as for regular maize, including planting, fertilization, pest management, and harvesting.

Impact

The introduction of Quality Protein Maize has had a significant impact on food security and nutrition in regions where maize is a staple food. It has been particularly beneficial in improving the nutritional status of children and pregnant women. QPM has also been shown to improve the growth and development of livestock when used as animal feed.

Future Prospects

The future prospects for Quality Protein Maize are promising. With ongoing research and development, it is expected that new varieties of QPM will be developed that have even higher levels of essential amino acids. There is also potential for the development of QPM varieties that are resistant to pests and diseases, and that are adapted to different climatic conditions.

See Also

• Biofortification
• Food Security
• Amino Acids
• Maize
• CIMMYT

References

• CIMMYT
• FAO
• World Health Organization