Structure Elucidation and Phytotoxicity of Ecdysteroids fromChenopodium album
Open accessAbstract
The leaves of Chenopodium album were infused in H2O/MeOH. The extract treated with cold acetone gave heavy precipitation, which was removed by centrifugation. Solid material was fractionated into acidic and neutral fractions. The acidic material was subjected to different silica-gel column chromatographies, and then it was purified by reversed-phase HPLC to afford four known ecdysteroids and the new 3beta,14alpha-dihydroxy-5beta-pregn-7-ene-2,6,20-trione that were characterized by extensive spectroscopic investigation, especially by 1D- and 2D-NMR. Their effects on germination and growth of Lactuca sativa L. have been studied. The results are reported as percentage differences of germination, root elongation and shoot elongation, from the control at concentrations ranging from 10(-4) to 10(-7) M.
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Compound 14 had little influence on germination and shoot length of Lactuca sativa.
“Evaluated effects on germination and growth of Lactuca sativa L. and have shown little influence on germination as well as on shoot length.”
From The Phytochemical, Biological, and Medicinal Attributes of Phytoecdysteroids: An Updated Review (2021) · cites this paper as [44]
ECs isolated from Chenopodium album did not significantly increase seed germination, root length, or shoot length of Lactuca sativa at aqueous concentrations of 10−4 to 10−7 M.
“ECs isolated from Chenopodium album have been used to evaluate their bioactivity on Lactuca sativa seeds; an aqueous solution of PEs ranging from 10−4 to 10−7 M was taken. However, the application of PEs did not significantly increase seed germination, root length, or shoot length of Lactuca sativa [170].”
From Phytoecdysteroids: Distribution, Structural Diversity, Biosynthesis, Activity, and Crosstalk with Phytohormones (2022) · cites this paper as [170]
Extract from roots of Chenopodium album containing PEs, such as 20-HE, ecdysone, and polypodine B, has a phytotoxic allelopathic effect on Lettuce sativa seeds, inhibiting germination and root and shoot length.
“Extract from roots of Chenopodium album containing PEs, such as 20 HE, ecdysone, and polypodine B, has a phytotoxic allelopathic effect on Lettuce sativa seeds. It inhibits germination and root and shoot length of lettuce [170].”
From Phytoecdysteroids: Distribution, Structural Diversity, Biosynthesis, Activity, and Crosstalk with Phytohormones (2022) · cites this paper as [170]
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- Authors
- DellaGreca, M., D'Abrosca, B., Fiorentino, A., Previtera, L., & Zarrelli, A.
- Affiliations
- University of Naples Federico II (IT)
- University of Campania "Luigi Vanvitelli" (IT)
- Venue
- Chemistry & Biodiversity
- Publisher
- Wiley
- Published
- 2005-04
- Volume
- 2
- Issue
- 4
- Pages
- 457-462
- ISSN
- 1612-1872 (ISSN-L)
- 1612-1880
- OpenAlex
- W2051994098
- Cited by
- 26
- References
- 10
- Citations by year
- 2026: 1 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 2 · 2018: 1 · 2017: 1 · 2016: 1 · 2015: 2 · 2013: 2 · 2012: 4
- FWCI
- 0.25
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Chemistry & Biodiversity (publishedVersion)
- PubMed (publishedVersion)
- Archivio Istituzionale della Ricerca - Università degli Studi della Campania "Luigi Vanvitelli" (submittedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Phytochemical Studies and Bioactivities
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Allelopathy and phytotoxic interactions
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Phytochemistry and Biological Activities
- Keywords
- ecdysteroids, Chenopodium album, phytotoxicity, lettuce, seed germination inhibition, root elongation, shoot elongation, structure elucidation, natural product isolation
- MeSH terms
- Dose-Response Relationship, Drug, Models, Molecular, Seeds, Molecular Structure, Plant Leaves, Plant Roots, Plant Shoots, Germination, Lactuca, Ecdysteroids, Chenopodium album
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