Herbicide and Cytogenotoxic Activity of Inclusion Complexes of Psidium gaudichaudianum Leaf Essential Oil and β-Caryophyllene on 2-Hydroxypropyl-β-cyclodextrin

Luiza Alves Mendes, Loren Cristina Vasconcelos, Milene Miranda Praça Fontes, Geisiele Silva Martins, Aline dos Santos Bergamin, Matheus Alves Silva, Rafael Resende Assis Silva, Taíla Veloso de Oliveira, Victor Gomes Lauriano Souza, Márcia Flores da Silva Ferreira, Róbson Ricardo Teixeira, Renata Pereira Lopes

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Abstract

The present investigation aimed to develop inclusion complexes (ICs) from Psidium gaudichaudianum (GAU) essential oil (EO) and its major compound β-caryophyllene (β-CAR), and to evaluate their herbicidal (against Lolium multiflorum and Bidens pilosa) and cytogenotoxic (on Lactuca sativa) activities. The ICs were obtained using 2-hydroxypropyl-β-cyclodextrin (HPβCD) and they were prepared to avoid or reduce the volatility and degradation of GAU EO and β-CAR. The ICs obtained showed a complexation efficiency of 91.5 and 83.9% for GAU EO and β-CAR, respectively. The IC of GAU EO at a concentration of 3000 µg mL−1 displayed a significant effect against weed species B. pilosa and L. multiflorum. However, the β-CAR IC at a concentration of 3000 µg mL−1 was effective only on L. multiflorum. In addition, the cytogenotoxic activity evaluation revealed that there was a reduction in the mitotic index and an increase in chromosomal abnormalities. The produced ICs were able to protect the EO and β-CAR from volatility and degradation, with a high thermal stability, and they also enabled the solubilization of the EO and β-CAR in water without the addition of an organic solvent. Therefore, it is possible to indicate the obtained products as potential candidates for commercial exploration since the ICs allow the complexed EO to exhibit a more stable chemical constitution than pure EO under storage conditions.
Original languageEnglish
Article number5909
Number of pages23
JournalMolecules
Volume28
Issue number15
DOIs
Publication statusPublished - 6 Aug 2023

Keywords

  • araçá
  • bioherbicide
  • biological activity
  • inclusion complex
  • natural product

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