Carvacrol and linalool co-loaded in β-cyclodextrin-grafted chitosan nanoparticles as sustainable biopesticide aiming pest control.

Abstract:

:Pesticides are the main tactics for pest control because they reduce the pest population very fast and their efficiency does not depend on abiotic factors. However, the indiscriminate use of these substances can speed up the development of resistant populations and causing environmental contamination. Therefore, alternative methods of pest control are sought, such as the use of botanical compounds. Nanoencapsulation of volatile compounds has been shown to be an important tool that can be used to overcome the lack of stability of these compounds. In this work, we describe the preparation and characterization of chitosan nanoparticles functionalized with β-cyclodextrin containing carvacrol and linalool. The toxicity and biological activity were evaluated. Decreases of toxicity were observed when the compounds were nanoencapsulated. The nanoparticles presented insecticidal activity against the species Helicoverpa armigera (corn earworm) and Tetranychus urticae (spider mite). In addition, repellent activity and reduction in oviposition were observed for the mites.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Campos EVR,Proença PLF,Oliveira JL,Pereira AES,de Morais Ribeiro LN,Fernandes FO,Gonçalves KC,Polanczyk RA,Pasquoto-Stigliani T,Lima R,Melville CC,Della Vechia JF,Andrade DJ,Fraceto LF

doi

10.1038/s41598-018-26043-x

subject

Has Abstract

pub_date

2018-05-16 00:00:00

pages

7623

issue

1

issn

2045-2322

pii

10.1038/s41598-018-26043-x

journal_volume

8

pub_type

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