Effect of the nutrient solution in the microbial production of citric acid from sugarcane bagasse and vinasse

被引：14

作者：

Campanhol, B. S. ^{[1
]}

Silveira, G. C. ^{[1
]}

Castro, M. C. ^{[1
]}

Ceccato-Antonini, S. R. ^{[1
]}

Bastos, R. G. ^{[1
]}

机构：

[1] Fed Univ Sao Carlos UFSCar, Ctr Agr Sci CCA, Via Anhanguera,Km 174, BR-13600970 Araras, SP, Brazil

来源：

BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY | 2019年 / 19卷

基金：

巴西圣保罗研究基金会;

关键词：

Solid-state cultivation; Sugarcane bagasse; Citric acid; Microbial consortium; SOLID-STATE FERMENTATION; ASPERGILLUS-NIGER; ORGANIC-ACIDS; OPTIMIZATION; CULTIVATION; MOISTURE; CULTURE;

D O I：

10.1016/j.bcab.2019.101147

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：

The process known as "solid-state cultivation" (SSC) refers to microbial growth on solid supports under limited water conditions. Citric acid is a bioproduct with several industrial applications, and its production is traditionally microbial. The present work evaluated the production of citric acid by microbial consortium of Aspergillus niger and Trichoderma reesei in sugarcane bagasse with vinasse and ethanol as inducer of the metabolic production of this organic acid. The results indicate that the highest yields of glucose in citric acid, productivity and specific production rate for the conditions having vinasse and vinasse/ethanol as nutrient solution. In addition, the kinetic parameters for the citric acid and glucose profiles indicate that only vinasse as a nutrient solution, has a maximum citric acid concentration of 734 mg L-1 in 48 h.

引用

页数：5

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