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Aspergillus kawachii produces an inulinase in cultures with yacon (Smallanthus sonchifolius) as substrate Electron. J. Biotechnol.
Chesini,Mariana; Neila,Lorena Paola; de la Parra,Dante Fratebianchi; Rojas,Natalia Lorena; Contreras Esquivel,Juan Carlos; Cavalitto,Sebastian Fernando; Ghiringhelli,Pablo Daniel; Hours,Roque Alberto.
Background: Inulinases have been extracted and characterized from inulin-storing tissues; however, production of microbial inulinases have recently draw much attention as they offer several industrial advantages. Many microorganisms, including filamentous fungi, yeast and bacteria have been claimed as inulinase producers. These hydrolases are usually inducible and their exo-acting forms may hydrolyze fructose polymers (inulin) and oligosaccharides such as sucrose and raffinose. Fungal inulinase extracts are often produced as stable mixture of highly active fructanhydrolases. From a practical prospective, the best known inulinases to date are those produced by species of Penicillium, Aspergillus and Kluyveromyces. Results: The production of extracellular...
Tipo: Journal article Palavras-chave: Acidophilic enzymes; Batch cultures; Inulin degradation; Submerged cultures.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000300008
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Production of tannase by Aspergillus tamarii in submerged cultures BABT
Costa,Andréa M.; Ribeiro,Wanessa X.; Kato,Elaine; Monteiro,Antonio Roberto G.; Peralta,Rosane Marina.
The production of tannase by Aspergillus tamarii was studied in submerged cultures. The fungus produced an extracellular tannase after two days of growth in mineral medium containing tannic acid, gallic acid and methyl gallate as carbon source. The best result was obtained using gallic acid as inducer (20.6 U/ml). The production of enzyme was strongly repressed by the presence of glucose. Crude enzyme was optimally active at pH 5.0 and 30º C. The enzyme was stable in a large range of pH and up to the temperature of 45º C.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aspergillus tamarii; Enzyme; Fungal biomass; Submerged cultures; Tannase; Tannins.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000200021
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