Kinetics of the solid state fermentation of sugarcane bagasse by Thermoascus aurantiacus for the production of xylanase

被引：23

作者：

dos Santos, E ^{[1
]}

Piovan, T ^{[1
]}

Roberto, IC ^{[1
]}

Milagres, AMF ^{[1
]}

机构：

[1] Fac Chem Engn Lorena, Dept Biotechnol, BR-12600970 Lorena, SP, Brazil

来源：

BIOTECHNOLOGY LETTERS | 2003年 / 25卷 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

bagasse; growth; kinetics; Thermoascus aurantiacus; xylanase;

D O I：

10.1023/A:1021709610251

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Xylanase was produced by solid-state fermentation using Thermoascus aurantiacus. Maximum production (500 U g(-1) bagasse) was achieved on the sixth day of cultivation on solid sugarcane bagasse medium supplemented with 15% (v/w) rice bran extract. The fungal biomass, determined from its glucosamine content, reached 28 mg g(-1) on the 8th day of cultivation. The cell yield against O-2 (Y-x/o = 0.18(gcell/gO2)) and maintenance coefficient (m(0) = 0.013(gO2)/gcell(h)) were determined with the low Y-x/o value for T. aurantiacus agreeing with the calculated value.

引用

页码：13 / 16

页数：4

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