Related Experiment Video
Updated: Mar 19, 2026

In Vitro Reconstitution of Light-harvesting Complexes of Plants and Green Algae
Published on: October 10, 2014
New Trihydroxy-keto-carotenoids Isolated from an Astaxanthin-producing Marine Bacterium
A Yokoyama1, W Miki1, H Izumida1
1a Marine Biotechnology Institute, Shimizu Laboratories , 1900 Sodeshi, Shimizu, Shizuoka , 424 , Japan.
Abstract:
Polar orange pigments were extracted from the cultured cells of marine bacterium strain SD-212 and purified by chromatographic methods. The structures of two new trihydroxy-keto-carotenoids, (2R,3S,3'S)-2-hydroxyastaxanthin (1) and (2R,3S,3'R)-2-hydroxyadonixanthin (2) were determined by means of spectral methods. Known carotenoids (3S,2'R,3'R)-erythroxanthin (3), (2R,3S',2' R,3'S)-2,3,2',3'-tetrahydroxy-β,β-carotene-4,4'-dione (4), (2R,3S,2'R,3'R)-2,3,2',3'-tetrahydroxy-β,β-caroten-4-one (5), (3S,3'S)-astaxanthin (6), and (3S,3'R)-adonixanthin (7) were also isolated.
More Related Videos
05:03Author Spotlight: Investigating Physiological Functions of Vitamin A Transporters Using HPLC-Based Vitamin A Profiling
Published on: December 27, 2024
11:28Isolating and Incorporating Light-Harvesting Antennas from Diatom Cyclotella Meneghiniana in Liposomes with Thylakoid Lipids
Published on: August 28, 2018
Related Concept Videos
Red Algae
Anoxygenic Phototrophic Bacteria
Channel Rhodopsins
Rhodopsins belong to the family of cell surface proteins called G-protein coupled receptors,...
The Antenna Complex
Other Algae
Bacterial Phylum Bacteroidota