Energy, Ecology and Environment

, Volume 3, Issue 2, pp 81–86 | Cite as

Cyclodextrins as effective tools to reduce the toxicity of atrazine

  • Adneia de Fátima Abreu Venceslau
  • Fabio Eduardo dos Santos
  • Aline de Fátima Silva
  • Denise Alvarenga Rocha
  • Ademir José de Abreu
  • Carlos Jaime
  • Larissa Fonseca Andrade-Vieira
  • Luciana de Matos Alves Pinto
Original Article


Atrazine (ATZ) is an agrochemical that is still widely used in the Americas to control intrusive weeds in large monocultures. However, its intrinsic toxicity can cause diseases of the endocrine and nervous systems. Cyclodextrins (CDs) are molecular carriers that can be employed to reduce the toxicity of ATZ. In this work, CDs (α, β, and γ) were anchored on silica, forming a hybrid material (CDSI). Lettuce (Lactuca sativa) was used as a model organism to evaluate the toxicity of the following treatments: ATZ; ATZ/α-CD; ATZ/β-CD; ATZ/γ-CD; ATZ/α-CDSI; ATZ/β-CDSI; and ATZ/γ-CDSI. The greatest chromosomal aberrations (CA) and nuclear abnormalities (NA) in the lettuce were observed with non-complexed ATZ. Reductions of CA ranged from 21% for ATZ/α-CD to 59% for ATZ/γ-CDSI, compared to non-complexed ATZ. In the case of NA, the decreases ranged from 29% for ATZ/β-CDSI to 68% for ATZ/α-CD, compared to non-complexed ATZ. The new synthesized CDSI material was found to be a viable option for reducing the toxicity of atrazine herbicide.

Graphical Abstract


Herbicide Hybrid material Cyclodextrins Inclusion complex Cytotoxicity 



The authors thank the Cytogenetics Laboratory of DBI/UFLA for providing access to the analytical equipment. Financial support was provided by FAPEMIG (#APQ-00687-13) and CAPES (Science without Frontiers Program, #A107/2013). A.F.A.V. received a grant from CAPES to undertake this work.


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Copyright information

© Joint Center on Global Change and Earth System Science of the University of Maryland and Beijing Normal University and Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  • Adneia de Fátima Abreu Venceslau
    • 1
  • Fabio Eduardo dos Santos
    • 2
  • Aline de Fátima Silva
    • 1
  • Denise Alvarenga Rocha
    • 1
  • Ademir José de Abreu
    • 3
  • Carlos Jaime
    • 1
    • 4
  • Larissa Fonseca Andrade-Vieira
    • 2
  • Luciana de Matos Alves Pinto
    • 1
  1. 1.Department of ChemistryFederal University of Lavras (UFLA)LavrasBrazil
  2. 2.Department of BiologyFederal University of Lavras (UFLA)LavrasBrazil
  3. 3.Department of AdministrationFaculty of Sciences and Technology of Campos Gerais (FACICA)Campos GeraisBrazil
  4. 4.Department of ChemistryUniversitat Autònoma de Barcelona (UAB)BarcelonaSpain

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