Geraniol Encapsulated in Chitosan/Gum Arabic Nanoparticles: A Promising System for Pest Management in Sustainable Agriculture

Autor(es)

de Oliveira, Jhones Luiz ^[1] ; Ramos Campos, Estefania Vangelie ^[2] ; Pereira, Anderson E. S. ^[2] ; Nunes, Lucas E. S. ^[1] ; da Silva, Camila C. L. ^[1] ; Pasquoto, Tatiane ^[3] ; Lima, Renata ^[3] ; Smaniotto, Giovani ^[4] ; Polanczyk, Ricardo Antonio ^[4] ; Fraceto, Leonardo F. ^[1]

Afiliação do(s) autor(es)

^[1] Sao Paulo State Univ UNESP, Inst Sci & Technol, Ave Tres de Marco 511, BR-18087180 Sorocaba, SP - Brazil

^[2] State Univ Campinas UNICAMP, Inst Biol, Dept Biochem & Tissue Biol, BR-13083862 Campinas, SP - Brazil

^[3] Univ Sorocaba, LABiToN Lab Evaluat Bioact & Toxicol Nanomat, Rodovia Raposo Tavares, Km 92-5, BR-18023000 Sorocaba, SP - Brazil

^[4] Sao Paulo State Univ UNESP, Dept Plant Protect, Fac Agron & Vet Sci, BR-14884900 Jaboticabal, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Journal of Agricultural and Food Chemistry; v. 66, n. 21, p. 5325-5334, MAY 30 2018.
• Citações Web of Science: 10

Resumo

The nanoencapsulation of botanical compounds (such as geraniol) is an important strategy that can be used to increase the stability and efficiency of these substances in integrated pest management. In this study, chitosan/gum arabic nanoparticles containing geraniol were prepared and characterized. In addition, evaluation was made of the biological activity of geraniol encapsulated in chitosan/gum arabic nanoparticles toward whitefly (Bemisia tabaci). The optimized formulation showed a high encapsulation efficiency (>90%) and remained stable for about 120 days. The formulation protected the geraniol against degradation by UV radiation, and the in vitro release was according to a diffusion mechanism that was influenced by temperature. An attraction effect was observed for Bemisia tabaci, indicating the potential of this type of system for use in pest management, especially in trap devices. (AU)

• Processo FAPESP: 15/15617-9 - Repelentes botânicos e nanotecnologia: desenvolvimento de sistemas para controle de pragas em agricultura
• Beneficiário: Leonardo Fernandes Fraceto
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 14/20286-9 - Desenvolvimento de sistemas de liberação modificada à base de zeína e quitosana para repelentes botânicos visando o controle de mosca-branca (Bemisia tabaci) em diferentes culturas
• Beneficiário: Jhones Luiz de Oliveira
• Modalidade de apoio: Bolsas no Brasil - Doutorado