| Texto completo | |
| Autor(es): |
Aguiar, Maria Clara S.
[1]
;
Denadae, Barbara E.
[1]
;
Silva, Maria Fatima G. F.
[1]
;
Fernandes, Joao B.
[1]
;
Bittencourt, Paulo R. S.
[2]
;
Scremin, Fernando R.
[2]
;
Forim, Moacir R.
[1]
Número total de Autores: 7
|
| Afiliação do(s) autor(es): | [1] Univ Fed Sao Carlos, Dept Quim, Rod Washington Luiz Km 235, BR-13565905 Sao Carlos, SP - Brazil
[2] Univ Tecnol Fed Parana, Av Brasil 4232, BR-85884000 Medianeira, PR - Brazil
Número total de Afiliações: 2
|
| Tipo de documento: | Artigo Científico |
| Fonte: | Journal of the Brazilian Chemical Society; v. 33, n. 1, p. 85+, AUG 2021. |
| Citações Web of Science: | 0 |
| Resumo | |
Sustainable natural product-based microstructured systems and biopolymers are strong candidates for use in crop protection. Lignin and gelatin microcapsules loaded with orange essential oil were developed with spray-drying in order to enhance its potential. We evaluated the microparticle controlled release mechanisms, biological effects, structural and thermal properties. A quantitative method using headspace-gas chromatography was developed and evaluated for the controlled release of the essential oils. Controlled release studies showed a linear relationship between the biopolymer and essential oil concentrations when retaining volatile compounds. Thermal analyses demonstrated increases in essential oil stability when microencapsulated, especially for lignin as a biopolymer. These results showed that biopolymer type was the main factor influencing quality analysis parameters. Finally, microcapsules loaded with orange essential oil were applied in a bioassay, and showed gains in toxicity against Spodoptera frugiperda compared to non-encapsulated oil. (AU) | |
| Processo FAPESP: | 14/50918-7 - INCT 2014: para o Controle Biorracional de Insetos Pragas e Fitopatógenos |
| Beneficiário: | Maria Fátima das Graças Fernandes da Silva |
| Modalidade de apoio: | Auxílio à Pesquisa - Temático |
| Processo FAPESP: | 18/21201-8 - Preparação de novos fitoquímicos para proteção sustentável de plantas cultivadas |
| Beneficiário: | Maria Fátima das Graças Fernandes da Silva |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |