GAO Wenya,MA Xiujing,GAO Chang,et al.Establishment of Specific Chromatogram and TLC Identification for Qingxin Lianziyin[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(11):34-42.
GAO Wenya,MA Xiujing,GAO Chang,et al.Establishment of Specific Chromatogram and TLC Identification for Qingxin Lianziyin[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(11):34-42. DOI: 10.13422/j.cnki.syfjx.20221049.
Establishment of Specific Chromatogram and TLC Identification for Qingxin Lianziyin增强出版
To establish the specific chromatogram and thin layer chromatography(TLC) of Qingxin Lianziyin(QXLZY) benchmark samples, in order to clarify the key quality attributes and provide a reference for the quality evaluation of QXLZY.
Method
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High performance liquid chromatography(HPLC) specific chromatogram of QXLZY benchmark samples was developed by using a YMC Hydrosphere C
18
column(4.6 mm×250 mm, 5 μm) with the mobile phase of acetonitrile(A)-0.2% formic acid aqueous solution(B) for gradient elution(0-10 min, 5%-20%A; 10-20 min, 20%A; 20-25 min, 20%-24%A; 25-40 min, 24%-30%A; 40-55 min, 30%-50%A; 55-65 min, 50%-100%A; 65-75 min, 100%A; 75-75.1 min, 100%-5%A; 75.1-90 min, 5%A), and the detection wavelength was 360 nm. Ultra-high performance liquid chromatography-linear ion trap/orbitrap mass spectrometry(UHPLC-LTQ-Orbitrap MS) with electrospray ionization(ESI) was used to identify the components of QXLZY benchmark samples by accurate relative molecular weight and multilevel MS fragment ion information, the detection conditions were positive and negative ion modes and data dependency scanning mode. TLC identification methods for Ophiopogonis Radix, Lycii Cortex, Nelumbinis Semen, Poria, Astragali Radix and Ginseng Radix et Rhizoma in QXLZY were established.
Result
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A total of 15 characteristic peaks were identified from Glycyrrhizae Radix et Rhizoma, Plantaginis Semen and Scutellariae Radix, and the relative standard deviations of the retention times of 15 characteristic peaks in 15 batches of QXLZY benchmark samples were≤3% with peak 8(baicalin) as the reference peak. A total of 100 compounds, including flavonoids, organic acids, saponins, amino acids and others, were identified in the benchmark samples by UHPLC-LTQ-Orbitrap MS. The established TLC had good separation and was suitable for the identification of Ophiopogonis Radix, Lycii Cortex, Nelumbinis Semen, Poria, Astragali Radix and Ginseng Radix et Rhizoma in QXLZY.
Conclusion
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The material basis of QXLZY benchmark samples is basically determined by MS designation and source attribution. The established specific chromatogram and TLC of QXLZY are simple, stable and reproducible, which can provide a reference for the development and quality control of QXLZY.
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Related Author
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Related Institution
Sunflower Pharmaceutical Group Co. Ltd.
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