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Cited by 8Plant-Derived Bioactive CompoundsPlant biochemistry and biosynthesisBioactive Natural Diterpenoids Research

Argentatin Content in Guayule Leaves (Parthenium argentatum A. Gray)

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García-Martínez, María Mercedes, Gallego, Beatriz, Latorre, Guayente, Carrión, María Engracia, De la Cruz-Morcillo, Miguel Ángel, Zalacain, Amaya, Carmona, Manuel·2023·Plants
DOI 10.3390/plants12102021PMC PMC10221434
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Abstract

Approximately one-third of the waste biomass from the cultivation of guayule (Parthenium argentatum A. Gray) for natural rubber production is leaf tissue; however, whether it can be valorized is not known. Guayulins and argentatins are potential high-value products that can be recovered from guayule resin during rubber/latex processing. Argentatins are highly abundant in guayule stem resin; however, unlike the guayulins, their occurrence in leaves has not been investigated. The present study determined the content of argentatins and isoargentatins A and B in the leaves of a pure guayule accession (R1040) and two hybrids (CAL-1 and AZ-2) under conditions of irrigation and non-irrigation. The resin content in leaves was ~10%, which provides a suitable starting point for economic exploitation. The highest production of argentatins occurred in plants under irrigation, with yields of 4.2 and 3.6 kg ha−1 for R1040 and AZ-2, respectively. The R1040 accession had the highest percentage of resin and the greatest total argentatin content (24.5 g kg−1 dried leaf), principally due to the abundance of argentatin A. Contrastingly, CAL-1 consistently showed the lowest argentatin content based on dried leaf weight and production (0.6 kg ha−1). The substantial abundance of argentatins in guayule leaves suggests the potential for future exploitation.

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  • The isolated argentatins were analysed by HPLC and LC-mass spectrometry and compared against standards.

    “The isolated compounds were analysed by HPLC coupled to a refractive index detector and by LC‐mass spectrometry, as described [23, 24], and were compared against standards”

    From Synergistic Potential of Argentatins A and B to Improve 5‐Fluorouracil Cytotoxicity in Colorectal Cancer Cell Models (2024) · cites this paper as [23]

    Materials and Methods §5.3 (page not available) describes HPLC with a refractive index detector and quantification using argentatin A and B standards. It does not describe LC–mass spectrometry analysis of this paper’s samples; the Introduction instead attributes LC–MS profiling to an earlier study. (LLM, conf=0.88)

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Authors
García-Martínez, M. M., Gallego, B., Latorre, G., Carrión, M. E., De la Cruz-Morcillo, M. Á., Zalacain, A., & Carmona, M.
Affiliations
  • Instituto Tecnico Agronómico Provincial (ES)
  • Hospital Central de la Defensa Gómez Ulla (ES)
  • University of Castilla-La Mancha (ES)
  • Institute for Regional Development (IDR), Food Quality Research Group, Universidad de Castilla-La Mancha Campus Universitario s/n, 02071 Albacete, Spain
  • E.T.S.I. Agronómica, de Montes y Biotecnología (ETSIAMB), Cátedra de Química Agrícola, Universidad de Castilla-La Mancha, Avda. de España s/n, 02071 Albacete, Spain
Corresponding author
Carmona, Manuel
ORCID
Venue
Plants
Publisher
MDPI AG
Published
2023-05-18
Volume
12
Issue
10
Pages
2021
ISSN
2223-7747 (ISSN-L)
DOI
10.3390/plants12102021
PMC
PMC10221434
OpenAlex
W4377020639
Cited by
8
References
4
Citations by year
2026: 2 · 2025: 2 · 2024: 4
FWCI
0.82
Type
journal article
Language
en
Open access
Licence
Locations
  • Plants (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • RUIdeRA - Institutional University Repository (University of Castilla-La Mancha) (submittedVersion, other-oa)
Funders
  • Spanish Ministry of Science and Innovation (RTI2018-098042-B100, SBPLY-19-180501-00074, PREDUCLM-16215, 2022-NACIONA-11053, 2022-UNIVERS-11006)
  • Junta de Comunidades de Castilla–La Mancha (RTI2018-098042-B100, SBPLY-19-180501-00074, PREDUCLM-16215, 2022-NACIONA-11053, 2022-UNIVERS-11006)
  • Universidad de Castilla–La Mancha (RTI2018-098042-B100, SBPLY-19-180501-00074, PREDUCLM-16215, 2022-NACIONA-11053, 2022-UNIVERS-11006)
  • European Union–NextGeneration EU (RTI2018-098042-B100, SBPLY-19-180501-00074, PREDUCLM-16215, 2022-NACIONA-11053, 2022-UNIVERS-11006)
Topics
  • Physical Sciences › Chemistry › Organic Chemistry › Plant-Derived Bioactive Compounds
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant biochemistry and biosynthesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioactive Natural Diterpenoids Research
Keywords
Parthenium argentatum, guayule, irrigation effects

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