期刊
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
卷 30, 期 1, 页码 37-41出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s40242-014-3339-0
关键词
Deep eutectic solvent; Catechin; Extraction; High performance liquid chromatography
资金
- Basic Science Research Program Through the National Research Foundation(NRF) of Korea
- Ministry of Education, Science and Technology [2011-0010673]
- National Research Foundation of Korea [2011-0010673] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
An emerging green solvent called a deep eutectic solvent(DES) was applied to the extraction and determination of catechin(C), (+)epicatechin gallate(ECG) and (-)epigallocatechin gallate(EGCG) from Chinese green tea. After evaluating different combinations of them by extraction methods and DESs, a DES-based extraction method was established and optimized by a systematic investigation of the influencing factors. As a result, a total of 3.629, 35.25 or 114.2 mg/g catechin, (+)epicatechin gallate or ()epigallocatechin gallate were extracted respectively under optimal conditions with extraction efficiencies of 82.7%, 92.3% and 97.0%, respectively. By comparing with other common used solvents for extracting catechin compounds, DESs were proved to be potential extraction solvents for bioactive ingredients.
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