| Texto completo | |
| Autor(es): |
da Silva, Natalia Cristina
[1, 2]
;
de Barros-Alexandrino, Tais Teo
[3, 4]
;
Garrido Assis, Odilio Benedito
[3]
;
Martelli-Tosi, Milena
[1, 2, 5]
Número total de Autores: 4
|
| Afiliação do(s) autor(es): | [1] Univ Sao Paulo, Dept Engn Alimentos, Fac Zootecnia & Engn Alimentos, Rua Duque de Caxias Norte 225, BR-13635900 Pirassununga, SP - Brazil
[2] Univ Sao Paulo, USP FZEA, Postgrad Programme Mat Sci & Engn, Av Duque de Caxias Norte 225, BR-13635900 Pirassununga - Brazil
[3] Embrapa Instrumentacao, Natl Nanotechnol Lab Agr, Rua 15 Novembro 1452, BR-13561206 Sao Carlos, SP - Brazil
[4] Univ Fed Sao Carlos, UFSCar, Postgrad Program Biotechnol, Rodovia Washington Luis Km 235, Sao Carlos, SP - Brazil
[5] Univ Sao Paulo, Fac Filosofia Ciencias & Letras, Dept Quim, Av Bandeirantes 3900, BR-14040901 Ribeirao Preto, SP - Brazil
Número total de Afiliações: 5
|
| Tipo de documento: | Artigo Científico |
| Fonte: | Food Chemistry; v. 354, AUG 30 2021. |
| Citações Web of Science: | 0 |
| Resumo | |
Aiming the simplification of the production of chitosan nanoparticles as an encapsulating material, the primary approach of this study was to investigate the extraction of active compounds from acerola-pulp by-products directly in chitosan solution by using tip sonication. The results have shown that chitosan solution can be used as a good solvent, mainly for total phenolic compounds (TPC) extraction (1792.7 mg/100 g of dry by-product). The extract was submitted to ionic gelation process using, as counter-ion, the sodium tripolyphosphate to form loaded nanoparticles with TPC. The suspension was applied as protective coatings on the guavas. The nanoengineered coatings provided an effective barrier that delayed the maturation and maintained the green pigmentation for longer periods along with good firmness. To the best of our knowledge, this was the first study that uses chitosan solution as extraction solvent of TPC from food byproducts in order to facilitate the encapsulation process. (AU) | |
| Processo FAPESP: | 16/18788-1 - Aplicação da microespectroscopia Raman e quimiometria na caracterização de microcarreadores poliméricos de compostos ativos e fotoativos |
| Beneficiário: | Milena Martelli Tosi |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |
| Processo FAPESP: | 19/23171-1 - Aproveitamento de subprodutos obtidos após processamento de alimentos: extração de compostos fitoquímicos, encapsulação e aplicação em filmes / coberturas biodegradáveis |
| Beneficiário: | Milena Martelli Tosi |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |