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学科主题: 物理化学
题名: Acetic acid supplement on total lipid production of marine microalga Isochrysis zhanjiangensis
作者: Feng DN(冯迪娜) ;  Zheng Y(郑阳) ;  Chen ZA(陈兆安) ;  Yu XJ(虞星炬) ;  Zhang W(张卫)
会议名称: 13th International Biotechnology Symposium and Exhibition
会议日期: 2008-10-12
出版日期: 2008-10-12
会议地点: 中国
通讯作者: 张卫
部门归属: 十八室
主办者: 中国科学院,中国工程院,中国教育部,中国科技部,中国国家发改委
摘要: been reported that Isochrysis galbana have considerable total lipid content 20–40% (w/w) (Fidalgo et al., 1998) and is rich in polyunsaturated fatty acids (Jeffrey et al., 1994). However, the information about I. zhanjiangensis is rare. In order to improve the yield of fatty acid, the mixotrophic growth of I. zhanjiangensis was investigated by supplementing organic carbon source, acetic acid. Using a 1-l flat plat photobioreactor (20cm×20cm×3.5 cm), acetic acid was added to f/2 culturemedium at the beginning of culture. The experiments were performed at 25±1 ◦C, initial pH 5.0, air supply of 0.3vvm and light/dark 14L:10D at light intensity of 100 Em−2 s−1. The cultures were harvested at the late stationary phase and analyzed. A high content of total lipid in dry algal biomass at 45.58% (w/w) was achieved when 0.168 g/l acetic acid was supplemented, in contrast to 35% (w/w) of the control (photo-autotrophic). The total carbohydrate content is, however, 10% lower than that of the control.
语种: 中文
Citation statistics: 
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/113054
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Feng DN,Zheng Y,Chen ZA,et al. Acetic acid supplement on total lipid production of marine microalga Isochrysis zhanjiangensis[C]. 见:13th International Biotechnology Symposium and Exhibition. 中国. 2008-10-12.
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