Lichtheimia blakesleeana as a New Potencial Producer of Phytase and Xylanase
AbstractBrazil is known for its great potential for production of renewable resources such as agro-industrial residues. These residues can be used as alternative sources of new products. Meanwhile, solid-state fermentation, with its advantages of energy conservation and pollution reduction, has been identified as a process of great potential for the production of bioactive compounds, especially enzymes. In the present work, a 23 factorial design was used to evaluate the effects of pH, temperature and moisture on the production of phytase and xylanase by Lichtheimia blakesleeana URM 5604 through the fermentation of citrus pulp. Statistical analyses of the results showed that the only the pH influenced the production of these enzymes, with the best phytase production (264.68 U/g) ocurring at pH 6.0, 34 °C, initial moisture 50%, after 48 hours of culture. The best conditions for xylanase production (397.82 U/g) were fermentation for 120 hours at pH 4.0, 26 °C and initial moisture of 70%. The best parameters for the simultaneous production of phytase (226.92 U/g) and xylanase (215.59 U/g) were determined to be initial moisture of 50%, pH 6.0, 26 °C, and 48 hours of fermentation.
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Neves, M.L.C.; Silva, M.F.; Souza-Motta, C.M.; Spier, M.R.; Soccol, C.R.; Porto, T.S.; Moreira, K.A.; Porto, A.L.F. Lichtheimia blakesleeana as a New Potencial Producer of Phytase and Xylanase. Molecules 2011, 16, 4807-4817.
Neves MLC, Silva MF, Souza-Motta CM, Spier MR, Soccol CR, Porto TS, Moreira KA, Porto ALF. Lichtheimia blakesleeana as a New Potencial Producer of Phytase and Xylanase. Molecules. 2011; 16(6):4807-4817.Chicago/Turabian Style
Neves, Maria Luiza Carvalho; Silva, Milena Fernandes da; Souza-Motta, Cristina Maria; Spier, Michele Rigon; Soccol, Carlos Ricardo; Porto, Tatiana Souza; Moreira, Keila Aparecida; Porto, Ana Lúcia Figueiredo. 2011. "Lichtheimia blakesleeana as a New Potencial Producer of Phytase and Xylanase." Molecules 16, no. 6: 4807-4817.