Carotenoids from Haloarchaea: Extraction, Fractionation, and Characterization.
Methods in molecular biology (Clifton, NJ)(2022)
Abstract
Carotenoids are bioactive molecules known to promote human health. Many extreme halophilic archaea synthesize carotenoids, mainly represented by C50 bacterioruberin (BR) and its derivatives. BR has a potent antioxidant capacity, even higher than that of β-carotene, thus, there is an increasing interest to advance the study of its biological properties as well as to extend its current applications. Here, we describe a procedure to extract and characterize carotenoids (enriched in BR) from haloarchaea using a "hyperpigmented" genetically modified strain of Haloferax volcanii.
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