Advances in Extracting Natural Astaxanthin by Ionic Liquids
Astaxanthin is an essential class of lutein carotenoids widely used in food,cosmetics,and pharmaceuticals due to its exceptional antioxidant qualities and distinct molecular structure.Natural astaxanthin and synthetic astaxanthin are the two types of astaxanthin,where the antioxidant properties of natural astaxanthin are higher than those of synthetic astaxanthin,and there is an increasing consumer preference and demand for natural astaxanthin.Thus,extracting of natural astaxanthin from bioresources has great market value and application potential.Because of their high solubility,low volatility,recyclability,and structural designability,ionic liquids have achieved remarkable research results in natural astaxanthin extraction compared to organic solvents as extractants.This paper first introduces the structural cosmetics,applications,and sources of natural astaxanthin,then reviews the commonly used extraction methods of astaxanthin,and elaborates on the research advances of natural astaxanthin extraction by ionic liquid systems in recent years to provide a reference value for the in-depth research and development application of natural astaxanthin extraction.
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维普
