作者
Kelly Christine Barbosa Costa, Andersen Escobar Schlogl, Saymon Menezes de Souza, Enio Nazaré de Oliveira Júnior, Jane Sélia dos Reis Coimbra, Igor José Boggione Santos
发表日期
2023/4/5
期刊
ACS Food Science & Technology
卷号
3
期号
4
页码范围
738-752
出版商
American Chemical Society
简介
Guava is a fruit that presents a high degree of perishability. This problem requires new effective technology with low environmental and human health impact for its resolution. A coating of tara gum with ZnO nanostructures is a promising alternative to increase the shelf life of this fruit. Therefore, the objective of this work was to optimize the production of the nanostructure, characterize it, and apply it in a guava coating. The nanostructure had a size of 173.15 nm and a polydispersity index of 0.601. Transmission electronic microscopy (TEM) confirmed a spherical morphology. ZnO nano showed antimicrobial activity against phytopathogenic fungi, being able to inhibit or slow down the growth of phytopathogens Colletotrichum gloeosporioides, Puccinia psidii, Diaporthe spp, and Penicillium spp. Nondestructive (visual and weight loss) and destructive (firmness, titratable acidity, pH, total solid residues, reducing sugars …
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