Fermentation Performance and Structure Characteristics of Xanthan Produced by Xanthomonas campestris with a Glucose/Xylose Mixture
文献类型：期刊论文
| 作者 | Zhang, Zhiguo; Chen, Hongzhang
|
| 刊名 | APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
 |
| 出版日期 | 2010-03-01 |
| 卷号 | 160期号:6页码:1653-1663 |
| 关键词 | Xanthan gum Glucose Xylose Xanthomonas campestris Molecular structure Lignocellulose |
| ISSN号 | 0273-2289 |
| 通讯作者 | Chen, HZ |
| 英文摘要 | The ability of Xanthomonas campestris to convert glucose and xylose to xanthan and the structure of xanthan derived from the glucose/xylose mixture media are important when the lignocelluloses hydrolysate was used in xanthan production. In this paper, the features related to xanthan fermentation in the glucose/xylose mixture media and the structures of xanthan derived from the mixture media were studied. Glucose was the preferred carbon source to produce xanthan while xylose was also utilized with a very low consumption rate. When the fraction of glucose decreased from 100% to 25%, the glucose consumption rate and xanthan production rate reduced from 0.44 g L(-1) h(-1) to 0.25 g L(-1) h(-1) and 0.21 g L(-1) h(-1) to 0.04 g L(-1) h(-1) respectively while xylose was consumed at a very stable rate (0.053-0.060 g L(-1) h(-1)). On the other hand, when the xylose fraction increased from 0% to 50%, pyruvate and acetate content of xanthan increased from 2.43% to 3.78% and 2.55% to 7.05%. The existence of xylose also led to higher average molecular weight. Therefore, it could be concluded that xylose was not efficiently utilized by X. campestris to produce xanthan. The concentration of glucose rather than the total sugar was the main factor to determine the xanthan production. But xylose was helpful to improve the quality of xanthan. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 类目[WOS] | Biochemistry & Molecular Biology ; Biotechnology & Applied Microbiology |
| 研究领域[WOS] | Biochemistry & Molecular Biology ; Biotechnology & Applied Microbiology |
| 关键词[WOS] | GUM PRODUCTION ; RHEOLOGICAL PROPERTIES ; ENZYMATIC-HYDROLYSIS ; AGRICULTURAL WASTES ; AQUEOUS-MEDIA ; WHEAT-STRAW ; POLYSACCHARIDE ; BIOREACTOR ; DEPENDENCE ; GLYCEROL |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000274614400007 |
| 公开日期 | 2013-11-19 |
| 版本 | 出版稿 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/6186]  |
| 专题 | 过程工程研究所_生化工程国家重点实验室 |
| 作者单位 | Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Zhiguo,Chen, Hongzhang. Fermentation Performance and Structure Characteristics of Xanthan Produced by Xanthomonas campestris with a Glucose/Xylose Mixture[J]. APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY,2010,160(6):1653-1663. |
| APA | Zhang, Zhiguo,&Chen, Hongzhang.(2010).Fermentation Performance and Structure Characteristics of Xanthan Produced by Xanthomonas campestris with a Glucose/Xylose Mixture.APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY,160(6),1653-1663. |
| MLA | Zhang, Zhiguo,et al."Fermentation Performance and Structure Characteristics of Xanthan Produced by Xanthomonas campestris with a Glucose/Xylose Mixture".APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY 160.6(2010):1653-1663. |
入库方式： OAI收割
来源：过程工程研究所
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