Effects of pH and Aeration on the Production of Docosahexaenoic Acid by Thraustochytrium aureum in Controlled Batch Fermentor Cultures

Ge Yang; Liu Yan; Ming Gao

doi:10.4028/www.scientific.net/AMR.183-185.50

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 183-185Effects of pH and Aeration on the Production of...

Effects of pH and Aeration on the Production of Docosahexaenoic Acid by Thraustochytrium aureum in Controlled Batch Fermentor Cultures

Abstract:

Docosahexaenoic acid (DHA. C22:6 ω-3) is an important structural component of neural and retinal tissues .The DHA yield was highest at pH5.5. Glucose and maltose utilization were similar as a function of pH, linseed oil consumption increased at pH 5.5, indicating that the formation of DHA from linseed oil at pH5.5 was of increased importance. Increased aeration resulted in doubling of T. aureum cell dry weights, increasing DHA yields and increasing in the maximum DHA -specific production rate .

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Periodical:

Advanced Materials Research (Volumes 183-185)

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50-54

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https://doi.org/10.4028/www.scientific.net/AMR.183-185.50

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Online since:

January 2011

Authors:

Ge Yang, Liu Yan, Ming Gao

Keywords:

Aeration, Batch Fermentor Cultures, Docosahexaenoic Acid (DHA), pH, Thraustochytrium aureum

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