1.广西中医药大学 药学院,广西 南宁 530200
2.北京中医药大学 北京中医药研究院,北京 100029
3.广西高校中药提取纯化与质量分析重点实验室,广西 南宁 530200
4.北京中医药大学 中药分析与转化研究中心,北京 100029
陈奎奎,博士,讲师,研究方向:中药分析及体内过程研究,E-mail:1358632635@qq.com
肖红斌,博士,教授,研究方向:药物分析、中药新药研发,E-mail:hbxiao69@163.com
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郭忠会,覃春萍,梁洁等.基于UHPLC-Q-TOF MS结合分子网络技术快速分析荷叶中生物碱类成分[J].分析测试学报,2023,42(08):893-906.
GUO Zhong-hui,QIN Chun-ping,LIANG Jie,et al.Rapid Identification of Alkaloid Components in Nelumbinis Folium Based on UHPLC-Q-TOF MS Combined with Molecular Network Technology[J].Journal of Instrumental Analysis,2023,42(08):893-906.
郭忠会,覃春萍,梁洁等.基于UHPLC-Q-TOF MS结合分子网络技术快速分析荷叶中生物碱类成分[J].分析测试学报,2023,42(08):893-906. DOI: 10.19969/j.fxcsxb.23040607.
GUO Zhong-hui,QIN Chun-ping,LIANG Jie,et al.Rapid Identification of Alkaloid Components in Nelumbinis Folium Based on UHPLC-Q-TOF MS Combined with Molecular Network Technology[J].Journal of Instrumental Analysis,2023,42(08):893-906. DOI: 10.19969/j.fxcsxb.23040607.
该研究采用超高效液相色谱-四极杆-飞行时间串联质谱(UHPLC-Q-TOF MS)和分子网络整合技术,快速分析和鉴定了荷叶中的生物碱类化学成分。采用Acquity UPLC HSS T3色谱柱(100 mm × 2.1 mm,1.8 μm),以0.1%甲酸水和0.1%甲酸乙腈溶液为流动相进行梯度洗脱,流速为0.3 mL/min,在正离子模式下采集质谱数据信息。将经格式转换后的荷叶提取物二级质谱数据上传至全球天然产物社会分子网络(GNPS)平台计算分析,借助Cytoscape 3.6.1软件构建可视化分子网络,获得了单苄基异喹啉类、双苄基异喹啉类和阿朴啡类生物碱类型的粒子簇。根据对照品、色谱保留时间、特征碎片离子、MS/MS裂解规律和文献报道等信息,从荷叶中共鉴定和推测57种生物碱类成分,包括27个单苄基异喹啉类、2个双苄基异喹啉类、25个阿朴啡类和3个其他类生物碱,其中19个成分为潜在新化合物,30个成分在荷叶中首次报道。该方法快速、准确,可为荷叶的药效物质基础研究提供参考,为中药化学成分的快速定性分析提供借鉴。
A rapid analytical method of ultrahigh performance liquid chromatography-quadrupole-time-of-flight tandem mass spectrometry(UHPLC-Q-TOF MS) and molecular network integration was established for the identification of alkaloids in ,Nelumbinis Folium, in this paper.The Acquity UPLC HSS T3 column(100 mm × 2.1 mm,1.8 μm) was selected for gradient elution,with water-0.1% formic acid and acetonitrile-0.1% formic acid as the mobile phases at a flow rate of 0.3 mL/min,and mass spectrometry data informations were collected in positive ion mode.MS/MS data of ,Nelumbinis Folium, extract after format conversion were uploaded to the Global Natural Products Social Molecular Network(GNPS) platform for calculation and analysis,and a visual molecular network was built with the help of Cytoscape 3.6.1 software,and three particle clusters of monobenzyl isoquinolines,aporphines and dibenzyl isoquinolines were obtained.According to the similarity of reference substances,chromatographic retention time,characteristic fragment ions,MS/MS cracking rules,literatures and other information,a total of 57 compounds were identified and speculated in ,Nelumbinis Folium,,including 27 monobenzylisoquinolines,2 bisbenzylisoquinolines,25 aporphines and 3 other classes,of which 19 potential new compounds were reported in ,Nelumbinis Folium,,and 30 compounds were found in ,Nelumbinis Folium, for the first time.The method is rapid and accurate,and it could provide a reference for the basic research on medicinal substances of ,Nelumbinis Folium,,as well as the rapid qualitative analysis of chemical components in traditional Chinese medicines.
荷叶UHPLC-Q-TOF MS分子网络生物碱
Nelumbins FoliumUHPLC-Q-TOF MSmolecular networkingalkaloids
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