A procura por alimentos funcionais, como leites fermentados com culturas microbianas probióticas, aumentou o interesse em pesquisas para manter estes micro-organismos viáveis no produto. Neste sentido, o objetivo ...

A beta-galactosidase é uma enzima utilizada industrialmente na hidrólise da lactose do leite gerando derivados lácteos destinados a pessoas intolerantes a este açúcar. Sua importância é salientada por sua atividade de ...

Amyloglucosidase enzyme was produced by Aspergillus niger NRRL 3122 from solid-state fermentation, using deffated rice bran as substrate. The effects of process parameters (pH, temperature) in the equilibrium partition ...

A alta quantia de coprodutos residuais queratinosos depositados no meio ambiente desencadeou o desenvolvimento de processos biotecnológicos com enzimas queratinolíticas. O emprego de líquidos iônicos (LI) é apontado como ...

The main goal of this work was to study the biodegradation of phenol in batch mode by a filamentous fungus isolated from a contaminated site in Southern Brazil. A better performance was obtained by previous adaptation of ...

The aim of this study was to compare the biodegradation performance of phenol by using free and encapsulated cells of a new Aspergillus sp. strain isolated from a crude oil contaminated soil in southern Brazil. In batch ...

C-Phycocyanin is a natural blue dye used in food and pharmaceutical industry. In the present study, a simple and efficient method to extract C-phycocyanin from Spirulina platensis wet biomass is reported. The extractions ...

A β-galactosidase é uma enzima importante que atua na hidrólise da lactose, podendo ser empregada na obtenção de alimentos destinados a consumidores intolerantes a esse dissacarídeo. A levedura Kluyveromyces marxianus ...

Recently lipases have been increasing in prominence due to its wide industrial application. The lipase production can be influenced by different variables such as the producing microorganism, carbon sources, aeration and ...

The operational conditions for an aqueous two-phase system (ATPS) for b-galactosidase purification were optimized and applied to the design of a purification strategy as an alternative to the primary purification steps. ...

Astaxanthin (3,3'-dihydroxy-b,b'-carotene-4,4'-dione) is carotenoid of high market value whose demand has increased in such fields as aquaculture, pharmaceutical supplements and natural coloring. Cell disruption is the ...

Astaxanthin (3,3'-dihydroxy-b,b'-carotene-4,4'-dione) is carotenoid of high market value whose demand has increased in such fields as aquaculture, pharmaceutical supplements and natural coloring. Cell disruption is the ...

Lipozyme TL IM foi usada para catalisar a esterificação de álcool isoamílico e ácido butírico. Um planejamento fatorial fracionário foi utilizado para avaliar os efeitos da temperatura (30, 40, 50 ºC), razão molar álcool:ácido ...

Lipozyme TL IM was used to catalyse the esterification of isoamyl alcohol and butyric acid. A fractional factorial design was employed to evaluate the effects of temperature (30, 40, 50 °C), alcohol:acid molar ratio (1:1, ...

The work herewith investigated the production of yeast biomass as a source of protein, using Yarrowia lipolytica NRRL YB-423 and raw glycerol from biodiesel synthesis as the main carbon source. A significant influence of ...

The work herewith investigated the production of yeast biomass as a source of protein, using Yarrowia lipolytica NRRL YB-423 and raw glycerol from biodiesel synthesis as the main carbon source. A significant influence of ...

The work herewith investigated the production of yeast biomass as a source of protein, using Yarrowia lipolytica NRRL YB-423 and raw glycerol from biodiesel synthesis as the main carbon source. A significant influence of ...

C-phycocyanin is a natural blue dye that has been used as an additive in food and can be used to produce medications. The major goal of the present study was to obtain C-phycocyanin under the best operational conditions ...

Extrato aquoso de C-ficocianina de Spirulina platensis, com e sem resíduos celulares, foi purificado em sistema aquoso bifásico (SAB) polietilenoglicol (PEG)/fosfato de potássio variando-se a massa molar do PEG, a pH 6, ...

Spirulina é uma cianobactéria de cor verde azulada, da classe das cianofíceas que cresce espontaneamente em águas fortemente alcalinas. Possui propriedades nutracêuticas, podendo ser utilizada na formulação de alimentos, ...