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Natural Product Research
Formerly Natural Product Letters
Volume 34, 2020 - Issue 6
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Short Communications

Chemical constituents and allelopathic activity of Machaerium eriocarpum Benth.

Charlyana Carvalho BentoEscola de Artes, Ciências e Humanidades, USP - Universidade de São Paulo, São Paulo-SP, Brazil;
,
Marcelo Marucci P. TangerinaDepartamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo-SP, Brazil;
,
Ana C. ZanattaCampus of São Paulo Coast, UNESP - Universidade Estadual Paulista “Júlio de Mesquita Filho”, São Vicente-SP, Brazil; ORCID Iconhttp://orcid.org/0000-0003-0199-4521
ORCID Icon,
Ângela Lúcia Bagnatori SartoriCenter of Biological and Health Sciences (CCBS), UFMS – Universidade Federal do Mato Grosso do Sul, Campo Grande, MS, Brazil;
,
Danilo Miralha FrancoBioscience Institute, Botany Department, UNESP - Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu-SP, Brazil;
,
Clélia Akiko Hiruma-LimaDepartamento de Fisiologia, Instituto de Biociências, UNESP - Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, SP, Brazil
,
Wagner VilegasCampus of São Paulo Coast, UNESP - Universidade Estadual Paulista “Júlio de Mesquita Filho”, São Vicente-SP, Brazil;
,
Luiz Fernando Rolim de AlmeidaBioscience Institute, Botany Department, UNESP - Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu-SP, Brazil;
&
Miriam SannomiyaEscola de Artes, Ciências e Humanidades, USP - Universidade de São Paulo, São Paulo-SP, Brazil; Correspondence[email protected]
ORCID Iconhttp://orcid.org/0000-0003-3306-9170
ORCID Icon show all
Pages 884-888 | Received 29 Mar 2018, Accepted 27 Jul 2018, Published online: 20 Nov 2018
 
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Abstract

The analysis by HPLC-PDA of the hydroalcoholic extract of the leaves of M. eriocarpum together with the injection of the fractions containing the already identified metabolites allowed the detection of at least 5 flavonoids, of which two are derived from apigenin and three from luteolin. After isolating larger amounts of isovitexin (I), assays were performed to evaluate the allelopathic activity together with the crude extract. The results show that the initial inhibition indexes were very similar to those observed in the treatments with F17 (Fraction enriched in isovitexin) and F18 (isovitexin), mainly in the concentrations of 500 and 1000 mg L−1. The index of the number of lateral roots, an increase of the inhibitory effect is observed with the increase of the concentration of M. eriocarpum extract.

Graphical Abstract

Disclosure statement

No potential conflict of interest was reported by the author(s).

Funding

This work was supported by FAPESP. (Proc. N°2016/05369-0).

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