郝庆秀;康利平;朱寿东;金艳;郭兰萍;
HAO Qing-xiu;KANG Li-ping;ZHU Shou-dong;JIN Yan;GUO Lan-ping;State Key Laboratory Breeding Base of Dao-di Herbs,National Resource Center for Chinese Materia Medica,China Academy of Chinese Medical Sciences;

• 1:中国中医科学院中药资源中心道地药材国家重点实验室培育基地

摘要(Abstract)：

利用超高效液相色谱串联四极杆飞行时间质谱技术(UPLC-Q-TOF/MSE),对彝药满山香的化学成分进行在线快速分析鉴定。以水-乙腈为流动相,梯度洗脱,ESI正、负离子模式下采集数据,通过UNIFI数据库检索并人工复核相对分子质量、特征离子、中性丢失、色谱保留时间等信息,并结合对照品信息和文献报道等对其进行验证;对于未知成分,根据其精确相对分子质量、质谱裂解碎片、色谱保留行为以及已知同类化合物的特征碎片,对其进行结构推测,确定化学成分的结构。该研究共鉴定出包括原花青素B2、南五味子酸、五味子酯甲、异形南五味子丁素和戈米辛及其衍生物等68个化合物的结构,其中有37个首次在满山香中发现的化合物,1个待确定化合物。
This study was to identify the chemical constituents of Schisandra propinqua,one herbal medicine of Yi nationality in China by using ultra performance liquid chromatography-quadrupole-time of flight-mass spectrometry( UPLC-Q-TOF/MSE). Acetonitrile-water containing 0. 1% formic acid was used as the mobile phase for gradient elution. Data were collected under ESI negative mode and ESI positive mode,and then screened and verified by the software of UNIFI and Masslynx4. 1. Based on the accurate mass,fragment ions,neutral losses,mass error,retention time,reference substance,isotope information,the intensity of fragments,as well as the previous reports,the known compounds were validated and identified. The chemical structures of the unknown components were identified according to exact molecular weight,MS fragment,chromatographic retention behavior,and characteristic fragments of known congener compounds. A total of 68 chemical components were identified from S. propinqua,including 3 flavonoids,10 flavanols,34 lignans compounds( including 20 dibenzocyclooctene lignans),4 triterpenoids,17 organic acid and other compounds. 37 compounds of them were found in S. propinqua for the first time,and one potential compound needed to be identified.

关键词(KeyWords)： 满山香;化学成分;鉴别;UPLC-Q-TOF/MSE;UNIFI数据库
Schisandra propinqua;Chemical constituents;identification;UPLC-Q-TOF/MSE;UNIFI database

Abstract:

Keywords:

基金项目(Foundation): 国家科技支撑计划项目(2012BAI29B02);; 中国中医科学院基本科研业务费自主选题;; 北京中医药薪火传承3+3工程项目

作者(Author): 郝庆秀;康利平;朱寿东;金艳;郭兰萍;
HAO Qing-xiu;KANG Li-ping;ZHU Shou-dong;JIN Yan;GUO Lan-ping;State Key Laboratory Breeding Base of Dao-di Herbs,National Resource Center for Chinese Materia Medica,China Academy of Chinese Medical Sciences;

Email:

DOI: 10.19540/j.cnki.cjcmm.20171016.003

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