双相深共熔溶剂提取的银杏果外种皮生物活性成分的分离回收
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南京林业大学

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O629

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中国博士后科学基金


Separation and recovery of bioactive ingredients from the deep eutectic solvent extract of Ginkgo biloba exocarp
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Nanjing Forestry University

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China Postdoctoral Science Foundation

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    摘要:

    用双相深共熔溶剂(TP-DES)体系同时提取分离银杏果外种皮中亲水性成分萜内酯、黄酮、原花青素和疏水性成分银杏酚酸,分别利用EOPO(环氧乙烷-环氧丙烷共聚物)和大孔树脂对TP-DES中的亲水性和疏水性活性成分进行回收。萜内酯、黄酮和原花青素用分光光度法测定,银杏酚酸用HPLC测定,并根据回收过程中每一步的活性成分含量计算回收率。相对分子质量(简称分子量)为2650,质量分数为90%的EOPO进行回收萜内酯、黄酮和原花青素的回收率分别可达89.44%、53.27%和29.77%; HYA502B树脂静态吸附-解吸回收银杏酚酸回收率可达93.33%。

    Abstract:

    A DES (deep eutectic solvent)-based two-phase system (TP-DES) was designed for simultaneous extraction and separation of flavonoids, terpene trilactones (TTLS), procyanidine (PAC), and ginkgolic acids (GAs) from Ginkgo biloba exocarp in our previous work. EOPO and microporous resin were used to recover hydrophilic and hydrophobic ingredients from TP-DES, respectively. Terpene lactones, flavonoids glycosides, and procyanidins were determined by spectrophotometry, and GAs was determined by HPLC. The contents of active components in each step of recovery process were determined for the calculation of the recovery effect respectively. EOPO solution (the molecular weight was 2650) of 90% (w/w) was used to recover flavonoids, TTLS, PAC, and the recovery rates were 89.44%, 53.27%, and 29.77%, respectively. HYA502B resin was used to recover GAs, and the recovery rate was 93.33%. operation, and have good application prospects.

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董其惠,吴蓉,王慧敏,张文,曹福亮,苏二正.双相深共熔溶剂提取的银杏果外种皮生物活性成分的分离回收[J].精细化工,2022,39(7):

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  • 收稿日期:2022-01-18
  • 最后修改日期:2022-03-11
  • 录用日期:2022-03-11
  • 在线发布日期: 2022-06-10
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