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Capim-elefante pré-tratado por explosão a vapor como matéria-prima para produção de enzimas, hidrólise enzimática e fermentação alcoólica
(2015-06-02)
With the growing demand for sources of renewable energy as alternatives to petroleum, the use of lignocellulosic biomasses, such as Pennisetum purpureum (elephant grass), may provide a viable alternative to second generation ...
Expressão do complexo celulolítico em Penicillium echinulatum
(2015-09-22)
The st:rain of Penicillium echinulatum 9A02Sl is a filamentous fungus that presents a cellulolytic system with potential application in processes of degradation of lignocellulosic materiais for ethanol production. The ...
Produção de poligalacturonases por Aspergillus niger em processo em estado sólido em biorreator com dupla superfície
(2014-05-15)
In this work, the production of enzymes endo and exo-polygalacturonase (endo and exo-PG) by the strain Aspergillus niger t0005/007-2, in solid medium in a double-surface bioreactor, was studied. The following operational ...
Caracterização e avaliação da estabilidade do ácido lactobiônico e de diferentes lactobionatos produzidos por Zymomonas mobilis visando à utilização na área farmacêutica
(2017-03-09)
Lactobionic acid and its salts (lactobionate) are substances that have several applications in pharmaceutical area. These products were obtained by enzymatic complex glucose-fructose-oxidoreductase (GFOR)/gluconolactonase ...
Síntese biocatalítica, recuperação e caracterização físico-química do ácido maltobiônico
(2019-07-17)
Maltobionic acid consists in a polyhydroxy acid derived from maltose. Due to its humectant power and antioxidant activity, has been used to a greater extent in formulations of products with cosmetological and dermatological ...
Produção de celulases e xilanases por Penicillium echinulatum em biorreator com agitação mecânica
(2014-06-11)
Cellulases and xylanases are enzymes that hydrolyze cellulose and xylan respectively, which are
found in lignocellulosic residues. Although the applicability of these enzymes in the ethanol
production has been the subject ...
Uso do sistema enzimático de Zymomonas mobilis para a produção de ácidos maltobiônico e lactobiônico
(2017-09-18)
Maltobionic and lactobionic acid are formed through the oxidation of maltose and lactose, whereas sorbitol is formed in equimolar amount through the reduction of fructose, by means of the catalytic action of the glucose-fructose ...
Avaliação da produção de pectinases por Aspergillus oryzae IPT-301 em processo submerso
(2014-06-16)
The cultivation of Aspergillus oryzae IPT-301 in liquid medium was studied to assess the
influence of pH and oxygen supply on the fungal growth and the formation of pectinases. A growthlimiting
medium was defined with ...
Produção de celulases e xilanases por Penicillium echinulatum em processo submerso utilizando biorreatores com agitação mecânica e airlift de circulação interna
(2014-05-29)
Cellulolytic enzymes have many uses, particularly in the food, textile, and paper industries. However, their major potential use is in the hydrolysis of cellulose a component of lignocellulosic residues for ethanol ...