期刊
MARINE DRUGS
卷 17, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/md17030161
关键词
carotenoids; optimization; red yeast; Rhodotorula sp
资金
- Marine and Fishery Science and Technology Innovation Project of Jiangsu Ocean and Fishery Bureau, China [Y2017-40]
- Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions
Carotenoids are natural pigments found in plants and microorganisms. These important nutrients play significant roles in animal health. In contrast to plant production, the advantages of microbial fermentation of carotenoids are the lower media costs, fast growth rate of microorganisms, and the ease of culture condition control. In this study, a colony of red pigment-producing yeast, Rhodotorula sp. RY1801, was isolated from the sediment of marine environment with the potential to produce carotenoids. Optimization of carotenoid production in Rhodotorula sp. RY1801 was also discussed. The optimum conditions found for carotenoid production were as follows: temperature, 28 degrees C; pH 5.0; carbon source, 10 g/L glucose, nitrogen source, 10 g/L yeast extract, maximum concentration of 987 mu g/L of total carotenoids was obtained. The results of this study show that the isolated yeast strain Rhodotorula sp. RY1801 can potentially be used in future as a promising microorganism for the commercial production of carotenoids.
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