Growth and phycocyanin formation of Spirulina platensis in photoheterotrophic culture

被引:147
作者
Chen, F [1 ]
Zhang, YM [1 ]
Guo, SY [1 ]
机构
[1] S CHINA UNIV TECHNOL, LIGHT IND & CHEM ENGN RES INST, GUANGZHOU, PEOPLES R CHINA
关键词
D O I
10.1007/BF00140211
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Glucose and acetate enhanced cell growth and phycocyanin production of S. platensis. The highest specific growth rate, cell concentration and phycocyanin production were respectively 0.62 d(-1), 2.66 g/l and 322 mg/l on glucose and 0.52 d(-1), 1.81 g/l and 246 mg/l on acetate. The specific growth rate of the alga on 2.5 g glucose/l was markedly increased with increasing light intensity up to 2 klux. Further increasing light intensity to 4 klux only resulted in a very slight increase in specific growth rate. At a light intensity above 4 klux, photoinhibition occurred. Light favoured phycocyanin formation. The highest phycocyanin content was obtained at a light intensity of 4 klux. When the light intensity decreased to 2 klux or less, the optimal glucose concentration for biomass production shifted from 2.5 g/l to 5.0 g/l.
引用
收藏
页码:603 / 608
页数:6
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