Process for the selective production of polyunsaturated fatty ac

Details Process for the selective production of polyunsaturated fatty ac Process for the selective production of polyunsaturated fatty ac

1993-01-25

1994-08-16

Robinson, Douglas W.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing oxygen-containing organic compound

4352571, 435946, 47 14, C12P 764, A01H 1300

Patent

active

053386736

ABSTRACT:
The invention relates to a process for the selective production of polyunsaturated fatty acids from a culture of microalgae of Porphyrium cruentum. The process comprises growing a biomass by culturing the microalgae in a photobioreactor under optimum culturing conditions, removing a portion of the resulting biomass, and subjecting the removed portion to a temperature decrease. The result is the selective increase in the quantity of a given polyunsaturated fatty acid within the microalgae biomass.

REFERENCES:
patent: 3986297 (1976-10-01), Ichimura et al.
patent: 4417415 (1983-11-01), Cysewski et al.
patent: 4721584 (1988-01-01), Arai et al.
Journal of Phycology, vol. 24, No. 3, Sep. 1988, pp. 328-332, Zvi Cohen, et al., "Effect of Environmental Conditions on Fatty Acid Composition of the Red Alga Porphyridium Cruentum: Correlation to Growth Rate".
Mircen Journal of Applied Microbiology and Biotechnology, vol. 4, No. 2, 1988, pp. 231-237, Y. K. Lee, et al., "Effect of Temperature, Light Intensity and Dilution Rate on the Cellular Composition of Red Alga Porphyridium Cruentum in Light Limited Chemostat Cultures".

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