Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Carotenoids in Bacteria: Biosynthesis, Extraction, Characterization and Applications

Version 1 : Received: 16 August 2021 / Approved: 18 August 2021 / Online: 18 August 2021 (14:09:35 CEST)

How to cite: López, G.; Álvarez-Rivera, G.; Carazzone, C.; Ibañez, E.; Leidy, C.; Cifuentes, A. Carotenoids in Bacteria: Biosynthesis, Extraction, Characterization and Applications. Preprints 2021, 2021080383 (doi: 10.20944/preprints202108.0383.v1). López, G.; Álvarez-Rivera, G.; Carazzone, C.; Ibañez, E.; Leidy, C.; Cifuentes, A. Carotenoids in Bacteria: Biosynthesis, Extraction, Characterization and Applications. Preprints 2021, 2021080383 (doi: 10.20944/preprints202108.0383.v1).

Abstract

Natural carotenoids are secondary metabolites that exhibit antioxidant, anti-inflammatory and anti-cancer properties. These types of compounds are in high demand by pharmaceutical, cosmetic, textile and food industries, leading to the search for new natural sources of carotenoids. In recent years, the production of carotenoids from bacteria has become of great interest for industrial applications. In addition to carotenoids with C40-skeletons, some bacteria have the ability to synthesize characteristic carotenoids with C30-skeletons. In this regard, a great variety of methodologies for the extraction and identification of bacterial carotenoids has been reported and this is the first review that condenses much of this information. To understand the diversity of these carotenoids, we present their biosynthetic origin in order to focus on the methodologies employed in their extraction and characterization. Special emphasis has been made on high-performance liquid chromatography-mass spectrometry (HPLC-MS) for the analysis and identification of bacterial carotenoids. We end up this review showing their potential commercial use of bacterial carotenoids. This review is proposed as a guide for the identification of these metabolites, which are frequently reported in new bacteria strains.

Keywords

Bacterial carotenoids; Cell disruption; HPLC separation; MS analysis; Food and textile applications

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