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Effect of acetic acid on astaxanthin production byPhaffia rhodozyma

✍ Scribed by P. S. Meyer; J. C. Preez

Publisher
Springer Netherlands
Year
1993
Tongue
English
Weight
409 KB
Volume
15
Category
Article
ISSN
0141-5492

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✦ Synopsis

Low concentrations of acetic acid decreased the growth rate of and astaxanthin production by Phufla rhodozyma on glucose, with growth completely inhibited by 2 g acetic acid/l. Using H i SO4 for pH control after sugar depletion caused a decline in the biomass concentration, w ereas using acetic acid as titrant resulted in an increase in the biomass with a high astaxanthin content of 1430 pg/g cells. An extended culture with a continuous glucose feed failed to maintain a high astaxanthin content.

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