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<p>The growing demand for functional foods with health-promoting properties has highlighted microgreens as potential nutrient-dense alternatives to conventional vegetables. This study employed comprehensive analytical approaches to evaluate the nutritional superiority and bioactive compound profiles of <i>Amaranthus tricolor</i> microgreens compared to mature greens. Advanced analytical techniques including GC-MS metabolomics and ICP-MS mineral analysis were utilized to characterize the functional food potential of microgreens. Nutritional analysis revealed microgreens as superior functional foods, with higher β-carotene content and enriched mineral profiles particularly magnesium and phosphorus, which showed 61% and 57% increase, respectively. Among the microminerals, copper and manganese also increased by 29% and 24% compared to mature greens. GC-MS metabolomic analysis identified 76 compounds in microgreens compared to 56 in mature greens. Chemometric analysis revealed the presence of key bioactive metabolites including D-ribose, glyceric acid, lactic acid, and myo-inositol in microgreens. Pathway analysis confirmed unique metabolic signatures associated with enhanced galactose metabolism and amino acid biosynthesis pathways. The predominance of organooxygen compounds and carboxylic acid derivatives in microgreens suggests potential health benefits including antioxidant, anti-inflammatory, and metabolic regulatory properties. These findings establish seed-primed <i>A. tricolor</i> microgreens as functional food with superior distinctive bioactive profiles over the mature counterparts, offering significant potential for nutritional security and dietary health interventions in food technology sectors.</p>

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From seed to superfood: profiling yield, nutrients, bioactive compounds and secondary metabolites in Amaranthus tricolor microgreens

  • 期刊论文

  • 发表日期：

    2025年12月20日

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  • A. Parvin Banu,
  • C. Vanitha,
  • R. Umarani,
  • S. Thamaraikannan,
  • M. Kathiravan,
  • M. Kavitha,
  • S.P. Thamaraiselvi

摘要

The growing demand for functional foods with health-promoting properties has highlighted microgreens as potential nutrient-dense alternatives to conventional vegetables. This study employed comprehensive analytical approaches to evaluate the nutritional superiority and bioactive compound profiles of Amaranthus tricolor microgreens compared to mature greens. Advanced analytical techniques including GC-MS metabolomics and ICP-MS mineral analysis were utilized to characterize the functional food potential of microgreens. Nutritional analysis revealed microgreens as superior functional foods, with higher β-carotene content and enriched mineral profiles particularly magnesium and phosphorus, which showed 61% and 57% increase, respectively. Among the microminerals, copper and manganese also increased by 29% and 24% compared to mature greens. GC-MS metabolomic analysis identified 76 compounds in microgreens compared to 56 in mature greens. Chemometric analysis revealed the presence of key bioactive metabolites including D-ribose, glyceric acid, lactic acid, and myo-inositol in microgreens. Pathway analysis confirmed unique metabolic signatures associated with enhanced galactose metabolism and amino acid biosynthesis pathways. The predominance of organooxygen compounds and carboxylic acid derivatives in microgreens suggests potential health benefits including antioxidant, anti-inflammatory, and metabolic regulatory properties. These findings establish seed-primed A. tricolor microgreens as functional food with superior distinctive bioactive profiles over the mature counterparts, offering significant potential for nutritional security and dietary health interventions in food technology sectors.