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Supercritical fluid extraction (SCFE) as green extraction technology for high-value metabolites of algae, its potential trends in food and human health

[Display omitted] •SCFE has been discussed as a principal green extraction technology.•Instrumentation, properties, and solvents used have also been concentrated.•Macro & microalgal HVAMs contain carbohydrates, proteins, lipids & phenolic compounds.•The biological activities of HVAMs have po...

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Published in:Food research international 2021-12, Vol.150, p.110746-110746, Article 110746
Main Authors: Singh, Smita, Verma, Deepak Kumar, Thakur, Mamta, Tripathy, Soubhagya, Patel, Ami R., Shah, Nihir, Utama, Gemilang Lara, Srivastav, Prem Prakash, Benavente-Valdés, Juan Roberto, Chávez-González, Mónica L., Aguilar, Cristobal Noe
Format: Article
Language:English
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Summary:[Display omitted] •SCFE has been discussed as a principal green extraction technology.•Instrumentation, properties, and solvents used have also been concentrated.•Macro & microalgal HVAMs contain carbohydrates, proteins, lipids & phenolic compounds.•The biological activities of HVAMs have possible health benefits.•These HVAMs are creating new interests in the food and nutraceutical industries. Application of high-value algal metabolites (HVAMs) in cosmetics, additives, pigments, foods and medicines are very important. These HVAMs can be obtained from the cultivation of micro- and macro-algae. These metabolites can benefit human and animal health in a physiological and nutritional manner. However, because of conventional extraction methods and their energy and the use of pollutant solvents, the availability of HVAMs from algae remains insufficient. Receiving their sustainability and environmental benefits have recently made green extraction technologies for HVAM extractions more desirable. But very little information is available about the technology of green extraction of algae from these HVAM. This review, therefore, highlights the supercritical fluid extraction (SCFE) as principal green extraction technologyand theirideal parameters for extracting HVAMs. In first, general information is provided concerning the HVAMs and their components of macro and micro origin. The review also includes a description of SCFE technology's properties, instrumentation operation, solvents used, and the merits and demerits. Moreover, there are several HVAMs associated with their numerous high-level biological activities which include high-level antioxidant, anti-inflammatory, anticancer and antimicrobial activity and have potential health-beneficial effects in humans since they are all HVAMs, such as foods and nutraceuticals. Finally, it provides future insights, obstacles, and suggestions for selecting the right technologies for extraction.
ISSN:0963-9969
1873-7145
DOI:10.1016/j.foodres.2021.110746