Extraction and identification of matrine-type alkaloids from Sophora moorcroftiana using double-templated molecularly imprinted polymers with HPLC-MS/MS
文献类型： 外文期刊
作者：
Ma, Xingbin
1
;
Lin, Hongling;
Zhang, Jiyu
1
;
She, Yongxin
3
;
Zhou, Xuzheng
2
;
Li, Xiaozhong;
Cui, Yan
1
;
Wang,
1
;
作者机构： 1.Gansu Agr Univ, Coll Vet Med, Lanzhou, Gansu, Peoples R China
2.Chinese Acad Agr Sci, Lanzhou Inst Husb Sci & Vet Pharmaceut Sci, Key Lab Vet Pharmaceut Dev, Minist Agr,Key Lab New Anim Drug Project, Lanzhou 730050, Gansu, Peoples R China
3.Chinese Acad Agr Sci, Inst Qual Stand & Testing Technol Agriprod, Beijing, Peoples R China
4.Tibet Acad Agr & Anim Husb Sci,
关键词： molecularly imprinted polymers; matrine; oxymatrine; solid-phase extraction; Sophora moorcroftiana
期刊名称：JOURNAL OF SEPARATION SCIENCE （ 影响因子：3.645； 五年影响因子：2.943 ）
ISSN： 1615-9306
年卷期： 2018 年 41 卷 7 期
页码：
收录情况： SCI
摘要： Double-templated molecularly imprinted polymers with specific recognition of three matrine-type alkaloids were prepared using matrine and oxymatrine as the template molecules. An approach based on double-templated molecularly imprinted solid-phase extraction coupled with high-performance liquid chromatography and tandem mass spectrometry was then developed to extract and purify matrine, oxymatrine, and sophocarpine from Sophora moorcroftiana in the Tibetan plateau herbs. The polymers were characterized by Fourier-transform infrared spectroscopy and scanning electron microscopy. Their adsorption characteristics were evaluated using adsorption kinetics, isotherms, selectivity, and recycling experiments. This polymer exhibited excellent molecular recognition ability and good selectivity. The obtained polymers as adsorbent was further used for the determination of three matrine-type alkaloids coupled to high-performance liquid chromatography with tandem mass spectrometry, the recoveries of three matrines spiked at three concentration levels in samples were 73.25-98.42% (n = 5) with a relative standard deviation less than 6.82%. The limits of detection for themethod were 9.23-15.42 mu g/kg (S/N = 3). This proposed method was assessed to be an effective method for simultaneous extraction, isolation, and identification of matrine, oxymatrine, and sophocarpine from Sophora moorcroftiana.
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