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    Proximal chemical analysis and secondary metabolites in Washingtonia robusta fruit (Arecaceae): relevance for the feeding of wildlife and human

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    Name:
    2057-14586-1-PB.pdf
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    1.082Mb
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    Description:
    Final Published Version
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    Author
    Armenta-Méndez, Lucila
    Ortega-Nieblas, María Magdalena
    Gallo-Reynoso, Juan Pablo
    Gardea, Alfonso A.
    Wilder, Benjamin
    González-Aguilar, Gustavo
    Preciado-Saldaña, Alejandra M.
    Affiliation
    Univ Arizona, Desert Lab Tumamoc Hill
    Issue Date
    2019
    Keywords
    antioxidants
    desert oasis
    edible fruits
    plant defenses
    trophic chain
    
    Metadata
    Show full item record
    Publisher
    SOC BOTANICA MEXICO
    Citation
    Armenta-Méndez, L., Ortega-Nieblas, M. M., Gallo-Reynoso, J. P., Gardea, A. A., Wilder, B., González-Aguilar, G., & Preciado-Saldaña, A. M. (2019). Proximal chemical analysis and secondary metabolites in Washingtonia robusta fruit (Arecaceae): relevance for the feeding of wildlife and human. Botanical Sciences, 97(2), 155-166.
    Journal
    BOTANICAL SCIENCES
    Rights
    This is an open access article distributed under the terms of the Creative Commons Attribution License CCBY-NC (4.0) international. https://creativecommons.org/licences/by-nc/4.0/
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Background: Washingtonia robusta fruits are a staple for birds, small and medium-size mammals, and humans. However, quantitative data of their nutritional contribution has remained unknown. This is the first report on the phytochemical components found in fruit pulp and seeds. Questions: Does pulp compounds favor its consumption and contribute with nutrients for wildlife and humans? Do seed contents favor ecological interactions for germination and plantlet development? Species study: Washingtonia robusta H. Wendl. Study site and dates: Sierra El Aguaje, Sonora, Mexico, February - April 2016 Methods: Chemical and secondary metabolite analyses were carried out from extracts via phytochemical coloring tests and ultra-resolution liquid chromatography. Antioxidant activity was analyzed by DPPH. Results: Washingtonia robusta seeds contain 73 % sugars, 7.4 % protein, 8.4 % humidity, 4.3 % ashes, 8.7 % fat and 0.2 % calcium, while cyanogenic glycosides content was 0.8 mu g/g. Pulp has 71 % sugars, 10.8 % protein, 1.6 % humidity, 5.5 % ashes, 9.4 % fat and 1.5 % calcium, and cyanogenic glycosides reached 0.2 mu g/g. Alkaloids, tannins, saponins, phenols, and flavonoids were more abundant in seeds than in pulp. The DPPH assay expressed in Trolox equivalents indicated antioxidant capacity. Conclusions: Washingtonia robusta pulp is an important source of sugars and natural antioxidants for wildlife and human consumption. Occurrence of secondary metabolites prevents pathogens in seeds, also they could be beneficial for germination and initial plantlet development.
    Note
    Open access journal
    ISSN
    2007-4298
    EISSN
    2007-4476
    DOI
    10.17129/botsci.2057
    Version
    Final published version
    ae974a485f413a2113503eed53cd6c53
    10.17129/botsci.2057
    Scopus Count
    Collections
    UA Faculty Publications

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