Nutritional Properties and Health Benefits of Millet Grains
Summary
Millet grains, encompassing species such as finger, pearl, foxtail and proso millet, are nutrient-dense cereals renowned for their balanced macronutrient composition and rich micronutrient profile. They supply high levels of complex carbohydrates, resistant starch and dietary fibre—particularly arabinoxylan—that support digestive health and modulate glycaemic response. Proteins in millets provide a favourable array of essential amino acids, while their lipid fraction contains healthful unsaturated fatty acids. Millets are especially noted for elevated concentrations of minerals (calcium in finger millet; iron, zinc and magnesium across various millets) and B-group vitamins. A distinctive feature of these grains is their abundance of phenolic compounds, including phenolic acids, flavonoids and tannins, which confer potent antioxidant and anti-inflammatory activities. Regular consumption of millet products has been associated with improved glycaemic control, reduced risk of type 2 diabetes, favourable lipid profiles and enhanced cardiovascular health. As naturally gluten-free grains, millets also offer dietary alternatives for individuals with coeliac disease or gluten sensitivity. Beyond human nutrition, millet by-products and residues serve as valuable livestock feed, contributing to integrated farming systems. The agronomic resilience of millets under marginal and water-limited conditions underpins their role in sustaining food and nutritional security under a changing climate.
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Nutritional Properties and Health Benefits of Millet Grains publication trend
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Technical terms
Arabinoxylan: A non-starch polysaccharide dietary fibre composed of arabinose and xylose units, abundant in millet cell walls and known to influence gut health and mineral binding.
Phenolic compounds: A class of plant secondary metabolites, including phenolic acids and flavonoids, that exhibit antioxidant and anti-inflammatory properties.
Glycaemic index: A numerical scale that ranks carbohydrate-containing foods by their capacity to raise blood glucose levels post-consumption.
Nutraceutical: A food component or supplement that provides medical or health benefits beyond basic nutritional value, often used to prevent or treat disease.
Bioavailability: The proportion of a nutrient or bioactive compound that is absorbed from the diet and becomes available for physiological functions or storage.
References
- First principles modelling of the ion binding capacity of finger millet. npj Science of Food (2024).
- The genetic diversity and nutritional quality of proso millet (Panicum miliaceum) and its Philippine ecotype, the ancient grain “kabog millet”: A review. Journal of Agriculture and Food Research (2023).
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