ArticleFood chemistry2022
Amaranthus hypochondriacus seeds as a rich source of cysteine rich bioactive peptides.
Article in Food chemistry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- Amaranth, the ancient pseudocereal: a promising crop for climate-resilient agriculture and healthy diets.Frontiers in plant science · 2026Review
- Current Challenges and Future Directions in Peptidomics.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Nutritional and Pharmaceutical Applications of Under-Explored Knottin Peptide-Rich Phytomedicines.Plants (Basel, Switzerland) · 2022Review
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Amaranthus hypochondriacus is a nutritious alternative grain native to Central and South America. Increased interest in the impact of A. hypochondriacus on the human body has driven characterization of bioactive secondary metabolites. The seeds are known to contain bioactive small molecules but little is known regarding endogenous peptides. Cysteine-rich peptides (CRPs) in foodstuffs are particularly relevant because they are stabilized by disulfide bonds enhancing resistance to digestion. Here, in silico predictions, proteomics, and simulated gastrointestinal digestions are leveraged to identify digestion resistant CRPs within A. hypochondriacus seeds. Thirteen in silico predicted CRPs were detected in a seed extract providing evidence for the translation of five CRP families. Mature forms of six CRPs were characterized via top-down proteomics revealing multiple post-translational modifications. All six peptides demonstrated resistance to simulated gastrointestinal digestion, suggesting that A. hypochondriacus CRPs may exhibit bioactivity after consumption and should be prioritized for further characterization.
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Registered trials
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