Polyethylene glycol-based ultrasound-assisted extraction of magnolol and honokiol from Cortex Magnoliae Officinalis

被引：9

作者：

He, Lei ^{[1
]}

Fan, Tao ^{[1
]}

Hu, Jianguo ^{[1
]}

Zhang, Lijin ^{[1
]}

机构：

[1] Univ Jinan, Dept Food Sci & Nutr, Sch Hotel Management, Jinan 250002, Shandong, Peoples R China

来源：

NATURAL PRODUCT RESEARCH | 2015年 / 29卷 / 01期

关键词：

magnolol; Cortex Magnoliae Officinalis; PEG; ultrasound-assisted extraction; honokiol; LIQUID-CHROMATOGRAPHY; PHENOLIC-COMPOUNDS; TOXICITY; IMIDAZOLIUM;

D O I：

10.1080/14786419.2014.955800

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In this study, a kind of green solvent named polyethylene glycol (PEG) was developed for the ultrasound-assisted extraction (UAE) of magnolol and honokiol from Cortex Magnoliae Officinalis. The effects of PEG molecular weight, PEG concentration, sample size, pH, ultrasonic power and extraction time on the extraction of magnolol and honokiol were investigated to optimise the extraction conditions. Under the optimal extraction conditions, the PEG-based UAE supplied higher extraction efficiencies of magnolol and honokiol than the ethanol-based UAE and traditional ethanol-reflux extraction. Furthermore, the correlation coefficient (R-2), repeatability (relative standard deviation, n=6) and recovery confirmed the validation of the proposed extraction method, which were 0.9993-0.9996, 3.1-4.6% and 92.3-106.8%, respectively.

引用

页码：31 / 36

页数：6

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