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Comparative Analysis of Perennial and Annual Phaseolus Seed Nutrient Concentrations

1
Department of Nutrition and Dietetics, Saint Louis University, 3437 Caroline Street, St. Louis, MO 63104, USA
2
Department of Biology, Saint Louis University, 3507 Laclede Avenue, St. Louis, MO 63103, USA
3
Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada
4
Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO 63132, USA
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(10), 2787; https://doi.org/10.3390/su11102787
Received: 15 April 2019 / Revised: 3 May 2019 / Accepted: 10 May 2019 / Published: 15 May 2019
(This article belongs to the Special Issue Sustainable Agroforestry Systems)
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Abstract

Long-term agricultural sustainability is dependent in part on our capacity to provide productive, nutritious crops that minimize the negative impacts of agriculture on the landscape. Perennial grains within an agroforestry context offers one solution: These plants produce large root systems that reduce soil erosion and simultaneously have the potential to produce nutrients to combat malnutrition. However, nutrient compositions of wild, perennial, herbaceous species, such as those related to the common bean (Phaseolus vulgaris) are not well known. In this study, seed ion and amino acid concentrations of perennial and annual Phaseolus species were quantified using ionomics and mass spectrometry. No statistical difference was observed for Zn, toxic ions (e.g., As) or essential amino acid concentrations (except threonine) between perennial and annual Phaseolus species. However, differences were observed for some nutritionally important ions. For example, Ca, Cu, Fe, Mg, Mn, and P concentrations were higher in annual species; further, ion and amino acid concentrations appear to be largely independent of each other. These results suggest variability in ion and amino acid concentrations exist in Phaseolus. As new crop candidates are considered for ecological services, nutritional quality should be optimized to maximize nutrient output of sustainable food crops. View Full-Text
Keywords: Perennial crops; legumes; nutrient analysis; ionomics; proteomics; agroforestry; regenerative agriculture; sustainable food system Perennial crops; legumes; nutrient analysis; ionomics; proteomics; agroforestry; regenerative agriculture; sustainable food system
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Schier, H.E.; Eliot, K.A.; Herron, S.A.; Landfried, L.K.; Migicovsky, Z.; Rubin, M.J.; Miller, A.J. Comparative Analysis of Perennial and Annual Phaseolus Seed Nutrient Concentrations. Sustainability 2019, 11, 2787.

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