Aqueous two-phase system based on pH-responsive polymeric deep eutectic solvent for efficient extraction of aromatic amino acids
文献类型: 外文期刊
第一作者: Cai, Changyong
作者: Cai, Changyong;Ma, Shaoping;Tan, Zhijian;Li, Fenfang
作者机构:
关键词: Polymeric deep eutectic solvents; pH -responsive characteristic; Aqueous two-phase systems; Aromatic amino acids
期刊名称:FOOD CHEMISTRY ( 影响因子:8.8; 五年影响因子:8.6 )
ISSN: 0308-8146
年卷期: 2024 年 430 卷
页码:
收录情况: SCI
摘要: Recently, more and more attention has been paid to the construction of stimulus-responsive aqueous two-phase systems (ATPSs) for the extraction and separation of various bioactive compounds. In this work, an ATPS based on a pH-responsive polymeric deep eutectic solvent (PDES) and phosphate salt was constructed for the first time. The pH-response properties of the PDES were studied through a series of experiments. Additionally, the phase formation mechanism was studied through experiments and simulations. This novel PDES-based ATPS was used to extract aromatic amino acids (AAAs). The extraction efficiencies for tyrosine (Tyr), phenylalanine (Phe), and tryptophan (Trp) reached 95.25%, 99.05%, and 99.10%, respectively. By adjusting pH, PDES was recycled and reused. This novel and recyclable PDES-based ATPS could be an efficient method for the extraction of AAAs, which could also be applied used as a versatile and sustainable method for the extraction of other bioactive compounds in the future.
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