Publicação: Agaricus blazei as a Substrate for the Production of beta-1,3-Glucanase by Trichoderma harzianum Rifai
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Faculty Food Technology Biotechnology
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Resumo
Extracellular beta-1,3-glucanase was produced by Trichoderma harzianum Rifai cultivated in the Agaricus blazei (Agaricus brasiliensis) extract as a substrate in submerged fermentation. A 2(2)-central composite factorial design was developed using the time of culture (x(1)/day) and Agaricus blazei extract concentration (x(2)/(g/L)) as variables, and the results were analyzed using response surface methodology (RSM). The results showed that the Agaricus blazei extract concentration was the most important variable in the production of beta-1,3-glucanase, and the maximum beta-1,3-glucanase activity (0.77 U/mL) was obtained in one day of cultivation. The beta-glucan present in the cell wall of Agaricus blazei mushroom proved to be a good substrate for inducing the production of specific beta-1,3-glucanase by Trichoderma harzianum Rifai.
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beta-1,3-glucanase, medicinal mushrooms, Trichoderma harzianum Rifai, response surface methodology
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Inglês
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Food Technology And Biotechnology. Zagreb: Faculty Food Technology Biotechnology, v. 49, n. 3, p. 341-346, 2011.
