Carbon dioxide fixation and polyunsaturated fatty acid production by the red alga Porphyridium cruentum

被引：15

作者：

Akimoto, M ^{[1
]}

Shirai, A ^{[1
]}

Ohtaguchi, K ^{[1
]}

Koide, K ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Chem Engn, Meguro Ku, Tokyo 152, Japan

来源：

APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY | 1998年 / 73卷 / 2-3期

关键词：

carbon dioxide; Porphyridium cruentum; environment; eicosapentaenoic acid; arachidonic acid; red alga; fatty acid;

D O I：

10.1007/BF02785661

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Focusing on CO2 fixation, photoautotrophic cultivation of the red alga Porphyridium cruentum was investigated by means of a batch culture under a 5% CO2-enriched atmosphere. The alg-al growth kinetics was successfully described with a logistic model, and simulation of a continuous culture under the optimum growth conditions (30 degrees C, 12 klux and 1.18 g-cells/L) showed that the algal CO2-fixation activity could reach 0.66 g-CO2/(L X d). Under the same growth conditions, eicosapentaenoic acid (20:5 n-3, EPA) and arachidonic acid (20:4 n-6, ARA) yields were similarly calculated to be 3.6 mg-EPA/(L X d) and 6.5 mg-ARA/(L X d), respectively.

引用

页码：269 / 278

页数：10

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