| 摘要 |
Bacterium belonging to a new genus, and a process for production of carotenoid pigment selected from the group consisting of astaxanthin, adonixanthin, .beta.--carotene, echinenone, canthaxanthin and zeaxanthin, comprising the steps of culturing a bacterium capable of producing at least one of the carotenoid pigments, and recovering an individual carotenoid pigments. The producer bacterium belongs to new genus. According to the present process various carotenoids can be produced in an industrial scale. By the present process (3S, 3'S)-astaxanthin can be produced in an almost 100% purity.
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