Summary
This qualitative phytochemical profiling study characterises the bioactive constituents present in leaves of Amaranthus dubius (red amaranth), a leafy vegetable with traditional medicinal uses across tropical and subtropical regions. The analysis documents the presence of multiple classes of secondary metabolites and essential micronutrients, with supporting evidence from literature on the pharmacological activities associated with these compounds. The findings position A. dubius as a candidate for development of functional foods and plant-derived therapeutics.
UK applicability
Red amaranth is not a conventional vegetable crop in UK agricultural systems and would require controlled cultivation or importation. However, the phytochemical data may be relevant to UK food composition databases, plant breeding programmes seeking to enhance nutrient density in leafy crops, or functional food product development using imported or domestically cultivated amaranth.
Key measures
Qualitative identification of alkaloids, flavonoids, phenolic compounds, tannins, saponins, glycosides, terpenoids, steroids; vitamins, proteins, amino acids; minerals including iron, calcium, potassium, and magnesium
Outcomes reported
The study qualitatively profiled the phytochemical constituents present in Amaranthus dubius leaves, identifying alkaloids, flavonoids, phenolic compounds, tannins, saponins, glycosides, terpenoids, and steroids alongside essential micronutrients. Leaf extracts were reported to exhibit diverse pharmacological actions including antioxidant, antibacterial, anti-inflammatory, antidiabetic, hypolipidemic, cardioprotective, and anticancer effects.
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