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Medium optimization for lipid production through co-fermentation of glucose and xylose by the oleaginous yeast Lipomyces starkeyi
Zhao, Xin1,3; Kong, Xiangli2; Hua, Yanyan1; Feng, Bin2; Zhao, Zongbao (Kent)1; Zhao ZB(赵宗保)
关键词Co-fermentation Lipomyces Starkeyi Microbial Oil Oleaginous Yeast Response Surface Methodology
刊名EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY
2008-05-01
DOI10.1002/ejlt.200700224
110期:5页:405-412
收录类别SCI
文章类型Article
部门归属18
项目归属1816
产权排名1;1
WOS标题词Science & Technology ; Life Sciences & Biomedicine
类目[WOS]Food Science & Technology ; Nutrition & Dietetics
研究领域[WOS]Food Science & Technology ; Nutrition & Dietetics
关键词[WOS]RESPONSE-SURFACE METHODOLOGY ; STAGE CONTINUOUS-CULTURE ; FED-BATCH CULTURE ; YARROWIA-LIPOLYTICA ; CRYPTOCOCCUS CURVATUS ; APIOTRICHUM-CURVATUM ; BIODIESEL PRODUCTION ; DENSITY CULTIVATION ; MICROORGANISMS ; ACCUMULATION
英文摘要Co-fermentation of lignocellulose-based carbohydrates is a potential solution to improve the economics of microbial lipid production. In the present paper, experiments were performed to optimize the media composition for lipid production by the oleaginous yeast Lipomyces starkeyi AS 2.1560 through co-fermentation of glucose and xylose (2 : 1 wt/wt). Statistical screening of nine media variables was performed by a Plackett-Burman design. Three factors, namely mixed sugar, yeast extract and FeSO4, were found as significant components influencing cellular lipid accumulation. Further optimization was carried out using a Box-Behnken factorial design to study the effects of these three variables on lipid production. A mathematical model with the R-2 value at 96.66% was developed to show the effect of each medium composition and their interactions on the lipid production. The model estimated that a maximal lipid content of 61.0 wt-% could be obtained when the concentrations of mixed sugar, yeast extract and FeSO4 were at 73.3 g/L (glucose 48.9 g/L, xylose 24.4 g/L), 7.9 g/L and 4.0 mg/L, respectively. The predicted value was in good accordance with the experimental data of 61.5%. Compared with the initial media, the optimized media gave 1.59-fold and 2.03-fold increases for lipid content and lipid productivity, respectively.
语种英语
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WOS记录号WOS:000256537000005
引用统计
被引频次:134[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/101145
专题中国科学院大连化学物理研究所
通讯作者Zhao ZB(赵宗保)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Div Biotechnol, Dalian 116023, Peoples R China
2.Liaoning Normal Univ, Coll Life Sci, Dalian, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
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GB/T 7714
Zhao, Xin,Kong, Xiangli,Hua, Yanyan,et al. Medium optimization for lipid production through co-fermentation of glucose and xylose by the oleaginous yeast Lipomyces starkeyi[J]. EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY,2008,110(5):405-412.
APA Zhao, Xin,Kong, Xiangli,Hua, Yanyan,Feng, Bin,Zhao, Zongbao ,&赵宗保.(2008).Medium optimization for lipid production through co-fermentation of glucose and xylose by the oleaginous yeast Lipomyces starkeyi.EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY,110(5),405-412.
MLA Zhao, Xin,et al."Medium optimization for lipid production through co-fermentation of glucose and xylose by the oleaginous yeast Lipomyces starkeyi".EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY 110.5(2008):405-412.
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