Journal
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
Volume 16, Issue 5, Pages 491-493Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1008917612616
Keywords
carotenoids; C/N ratio; lipid; Rhodotorula
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Production of carotenoid by Rhodotorula gracilis was highest at 26 mg/g dry weight with a carbon/nitrogen (C/N) ratio in the medium of 10:1. This was 15 times higher than when the C/N ratio was 160:1. With this high C/N ratio, the yeast produced up to 55% lipid compared only 20% lipid with the low C/N ratio. Both carotenoid and lipid production were non-growth associated.
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