小球藻培养与 CO 和戊糖：对动力学和营养参数的影响。

Chlorella minutissima cultivation with CO and pentoses: Effects on kinetic and nutritional parameters.

机构信息

College of Chemistry and Food Engineering, Federal University of Rio Grande, Laboratory of Biochemical Engineering, Rio Grande, RS, Brazil.

College of Chemistry and Food Engineering, Federal University of Rio Grande, Laboratory of Microbiology and Biochemistry, Rio Grande, RS, Brazil.

出版信息

Bioresour Technol. 2017 Nov;244(Pt 1):338-344. doi: 10.1016/j.biortech.2017.07.125. Epub 2017 Jul 25.

DOI:10.1016/j.biortech.2017.07.125

PMID:28780268

Abstract

CO emissions and the large quantity of lignocellulosic waste generated by industrialized nations constitute problems that may affect human health as well as the global economy. The objective of this work was to evaluate the effects of using CO and pentoses on the growth, protein profile, carbohydrate content and potential ethanol production by fermentation of Chlorella minutissima biomass. CO and pentose supplementation can induce changes in the microalgal protein profile. A biomass production of 1.84g.L and a CO biofixation rate of 274.63mg.L.d were obtained with the use of 20% (v.v) CO. For cultures with 20% (v.v) CO and reduced nitrogen, the carbohydrate content was 52.3% (w.w), and theoretically, 33.9mL.100g of ethanol can be produced. These results demonstrate that C. minutissima cultured with the combined use of CO and pentoses generates a biomass with high bioenergetic potential.

摘要

CO 排放和工业化国家产生的大量木质纤维素废物构成了可能影响人类健康和全球经济的问题。本工作的目的是评估使用 CO 和戊糖对小球藻生物质生长、蛋白质谱、碳水化合物含量和潜在乙醇发酵生产的影响。CO 和戊糖的补充可以诱导微藻蛋白质谱的变化。使用 20%（v/v）CO 可获得 1.84g.L 的生物质产量和 274.63mg.L.d 的 CO 固定率。对于含有 20%（v/v）CO 和还原氮的培养物，碳水化合物含量为 52.3%（w/w），理论上可产生 33.9mL.100g 的乙醇。这些结果表明，小球藻与 CO 和戊糖联合培养可产生具有高生物能潜力的生物质。