| Optimization of Ionic Liquid Based Simultaneous Ultrasonic- and Microwave-Assisted Extraction of Rutin and Quercetin from Leaves of Velvetleaf (Abutilon theophrasti) by Response Surface Methodology. | |
MedLine Citation:
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PMID: 25243207 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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An ionic liquids based simultaneous ultrasonic and microwave assisted extraction (ILs-UMAE) method has been proposed for the extraction of rutin (RU), quercetin (QU), from velvetleaf leaves. The influential parameters of the ILs-UMAE were optimized by the single factor and the central composite design (CCD) experiments. A 2.00 M 1-butyl-3-methylimidazolium bromide ([C4mim]Br) was used as the experimental ionic liquid, extraction temperature 60°C, extraction time 12 min, liquid-solid ratio 32 mL/g, microwave power of 534 W, and a fixed ultrasonic power of 50 W. Compared to conventional heating reflux extraction (HRE), the RU and QU extraction yields obtained by ILs-UMAE were, respectively, 5.49 mg/g and 0.27 mg/g, which increased, respectively, 2.01-fold and 2.34-fold with the recoveries that were in the range of 97.62-102.36% for RU and 97.33-102.21% for QU with RSDs lower than 3.2% under the optimized UMAE conditions. In addition, the shorter extraction time was used in ILs-UMAE, compared with HRE. Therefore, ILs-UMAE was a rapid and an efficient method for the extraction of RU and QU from the leaves of velvetleaf. |
Authors:
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Chunjian Zhao; Zhicheng Lu; Chunying Li; Xin He; Zhao Li; Kunming Shi; Lei Yang; Yujie Fu; Yuangang Zu |
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Publication Detail:
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Type: Journal Article Date: 2014-08-27 |
Journal Detail:
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Title: TheScientificWorldJournal Volume: 2014 ISSN: 1537-744X ISO Abbreviation: ScientificWorldJournal Publication Date: 2014 |
Date Detail:
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Created Date: 2014-09-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101131163 Medline TA: ScientificWorldJournal Country: United States |
Other Details:
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Languages: eng Pagination: 283024 Citation Subset: IM |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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