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Gas phase acylation of guaiacol with acetic acid on acid catalysts
(Elsevier Science, 2020-12)
Gas phase acylation of guaiacol on acid solids was studied using catalysts with different acid site density, nature and strength. The main products formed were acetovanillone, 2-acetoxyanisole and catechol using acetic ...
Produção de vanilina por bactérias cultivadas em hidrolisados de bagaço de cana-de-açúcar pré tratados com ozonólise.
(Universidade Estadual Paulista (Unesp), 2022-07-01)
A cultura de cana-de-açúcar para produção de açúcar e álcool é a maior geradora de resíduos agrícolas do Brasil. A principal dificuldade no uso dos resíduos lignocelulósicos em biotecnologia é a complexidade de suas ...
Metabolism of gallic acid and catechin by Lactobacillus hilgardii from wine
(American Chemical Society, 2004-10-20)
The ability of Lactobacillus hilgardii 5w to metabolize gallic acid and catechin was evaluated. It was grown in a complex medium containing gallic acid or catechin. The metabolites were analyzed by high-performance liquid ...
Biotransformation of ferulic acid by the phytopathogenic fungi Colletotrichum acutatum and Lasiodiplodia theobromae
(Universidad Nacional de Colombia, 2016-01-01)
The microbial transformation of ferulic acid (FA) offers a cleaner, more economical alternative for the natural production of flavorings and fragrances. In the present study, the biotransformation of FA using the filamentous ...
Obtención de productos químicos finos a partir de guayacol mediante reacciones de alquilación y acilación
(2020-03-04)
En esta tesis, se propone la transformación de guayacol en productos valiosos de química fina mediante reacciones de acilación y alquilación empleando diferentes catalizadores con propiedades ácidas y texturales bien ...