Thin stillage supplementation greatly enhances bacterial cellulose production by Gluconacetobacter xylinus

被引:81
作者
Wu, Jyh-Ming [1 ]
Liu, Ren-Han [1 ]
机构
[1] Chinese Culture Univ, Dept Chem & Mat Engn, Taipei 11114, Taiwan
关键词
Bacterial cellulose; Thin stillage; Gluconacetobacter xylinus; Wastewater; ACETOBACTER-XYLINUM; RICE-SPIRIT; CULTURE; ETHANOL; WASTE;
D O I
10.1016/j.carbpol.2012.05.003
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Thin stillage (TS), a wastewater from rice wine distillery can well sustain the growth of Gluconacetobacter xylinus for production of bacterial cellulose (BC). When used as a supplement to the traditional BC production medium (Hestrin and Schramm medium), the enhancement of BC production increased with the amount of TS supplemented in a static culture of G. xylinus. When IS was employed to replace distilled water for preparing HS medium (100%TS-HS medium). the BC production in this 100%TS-HS medium was enhanced 2.5-fold to a concentration of 10.38 g/l with sugar to BC conversion yield of 57% after 7 days cultivation. The cost-free TS as a supplement in BC production medium not only can greatly enhance the BC production, but also can effectively dispose the nuisance wastewater of rice wine distillery. (C) 2012 Elsevier Ltd. All rights reserved.
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页码:116 / 121
页数:6
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