Abstract
The composition of carotenoids produced byR. glutinis was observed to be dependent upon the addition of phenol into medium. A stimulatory effect of phenol on Β-carotene ofRhodotorula glutins K-501 grown on glucose was investigated. Carotenoids produced byRhodotorula glutinis K-501 were identified to torularhodin, torulene and Β-carotene, whose composition was 79.5%, 6.4% and 14.1%, respectively. The Β-carotene content increased up to 35% when phenol was added to culture media at 500 ppm. The ratio of torularhodin decreased with increasing phenol concentration, while torulene content was almost constant.
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