Knowledge Agora

Title	Natural Carotenoids: Recent Advances on Separation from Microbial Biomass and Methods of Analysis
ID_Doc	8359
Authors	Papapostolou, H; Kachrimanidou, V; Alexandri, M; Plessas, S; Papadaki, A; Kopsahelis, N
Title	Natural Carotenoids: Recent Advances on Separation from Microbial Biomass and Methods of Analysis
Year	2023
Published	Antioxidants, 12.0, 5
Abstract	Biotechnologically produced carotenoids occupy an important place in the scientific research. Owing to their role as natural pigments and their high antioxidant properties, microbial carotenoids have been proposed as alternatives to their synthetic counterparts. To this end, many studies are focusing on their efficient and sustainable production from renewable substrates. Besides the development of an efficient upstream process, their separation and purification as well as their analysis from the microbial biomass confers another important aspect. Currently, the use of organic solvents constitutes the main extraction process; however, environmental concerns along with potential toxicity towards human health necessitate the employment of "greener" techniques. Hence, many research groups are focusing on applying emerging technologies such as ultrasounds, microwaves, ionic liquids or eutectic solvents for the separation of carotenoids from microbial cells. This review aims to summarize the progress on both the biotechnological production of carotenoids and the methods for their effective extraction. In the framework of circular economy and sustainability, the focus is given on green recovery methods targeting high-value applications such as novel functional foods and pharmaceuticals. Finally, methods for carotenoids identification and quantification are also discussed in order to create a roadmap for successful carotenoids analysis.
PDF	https://www.mdpi.com/2076-3921/12/5/1030/pdf?version=1682753973

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