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  • Title: Carotenoid pigments of Mycobacterium kansasii.
    Author: David HL.
    Journal: Appl Microbiol; 1974 Oct; 28(4):696-9. PubMed ID: 4424510.
    Abstract:
    Partitioned between aqueous methanol and petroleum ether, the unsaponifiable pigments of Mycobacterium kansasii were all epiphasic. Thin-layer chromatography of these carotenoids showed that M. kansasii formed at least nine pigments. These pigments were identified by their chromatographic properties and spectral characteristics as phytoene, zeta-carotene, neurosporene, lycopene, leprotene, gamma-carotene, delta-carotene, alpha-carotene, and beta-carotene. Three additional pigmented spots on thin-layer chromatography found in trace amounts were possibly degradation products of the major carotenoids.
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