Applications of choline amino acid ionic liquid in extraction and separation of flavonoids and pectin from ponkan peels
Applications of choline amino acid ionic liquid in extraction and separation of flavonoids and pectin from ponkan peels
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胆碱氨基酸离子液体在椪皮黄酮和果胶提取分离中的应用
DOI：
10.1080/01496395.2016.1143006
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发表时间：
2016-02
影响因子：
2.8
通讯作者：
Fenfang Li
中科院分区：
文献类型：
--
作者：
Runping Wang;Yuena Chang;Zhijian Tan;Fenfang Li
ABSTRACT Choline leucine ionic liquid solution was chosen to simultaneously extract flavonoids and pectin from ponkan peels, which were subsequently isolated by the corresponding K3PO4-based aqueous biphasic systems (ABS). Under optimized conditions of 54% solution for 100 min extraction at liquid–solid ratio 17, the predicted yields of flavonoids and pectin achieved 1.33% and 13.42%, respectively, the flavonoids determined directly after extraction and the pectin after ABS purification, with the two corresponding measured yields of 1.26% ± 0.04% and 12.85% ± 0.51%. Under optimal extraction, crude flavonoids contained maximal total flavonoid content of about 20% ± 1% after purification of the ABS involving 25% K3PO4 and dilution precipitation. What was directly isolated from K3PO4-rich phase was presumed to be a modified pectin.
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DOI：
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