Journal
PHYTOCHEMISTRY REVIEWS
Volume 22, Issue 4, Pages 1067-1088Publisher
SPRINGER
DOI: 10.1007/s11101-022-09831-2
Keywords
Microwave-assisted extraction; Ultrasound-assisted extraction; Enzyme-assisted extraction; Supercritical fluid extraction; Pressurized liquid extraction
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This review focuses on the application of five advanced non-conventional green techniques in the extraction of saccharides. It introduces the principles, advantages, limitations, and operating parameters of these techniques, and discusses the recent progress and trends in the field. The review also comments on the modifications and integration aspects of extraction techniques, and highlights the challenges and future research prospects for lignocellulosic biomass extraction.
Saccharides play a vital role in the human diet due to their beneficial biological and functional properties. The adverse limitations of conventional extraction methods for plant saccharides have led to the search for advanced, ecofriendly, and cost-effective extraction techniques. This review focuses on the five major emerging advanced non-conventional green techniques: ultrasound-assisted, microwave-assisted, enzyme-assisted, supercritical fluid, and pressurized liquid extractions. The review briefly describes the extraction principle and mechanism, advantages and limitations, and the influential operating parameters for each technique. In addition, recent trends and progress in these advanced extraction methods are discussed with a critical comparison of these techniques. Furthermore, the various process modifications and integration aspects of extraction techniques are scientifically commented upon. Challenges and future research prospects for these emerging green technologies for lignocellulosic biomass extraction are also pointed out, emphasizing the industrial realization of these techniques.
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