Synechoxanthin, an Aromatic C40 Xanthophyll that Is a Major Carotenoid in the Cyanobacterium Synechococcus sp. PCC 7002
- 21 August 2008
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of Natural Products
- Vol. 71 (9), 1647-1650
- https://doi.org/10.1021/np800310b
Abstract
A major aromatic, dicarboxylate carotenoid (>15% of total) was isolated from the euryhaline cyanobacterium Synechococcus sp. PCC 7002. This compound, which was given the common name synechoxanthin (1), has been assigned the structure (all-E) χ,χ-caroten-18,18′-dioic acid by a combination of spectroscopic (UV−vis, FT-IR, 1H and 13C NMR, LC-MS) and chemical methods. This discovery conclusively establishes that some cyanobacteria are capable of synthesizing aromatic carotenoids.Keywords
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