[Fast identification of constituents of Lagotis brevituba by using UPLC-Q-TOF-MS/MS method]. 2017

Jing Xie, and Li Zhang, and Jin-Xiang Zeng, and Min Li, and Juan Wang, and Xiong-Xiong Xie, and Guo-Yue Zhong, and Guang-Ming Luo, and Jin-Bin Yuan, and Jian Liang
Research Center of Traditional Chinese Medicine Resources and Minority Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China.

The chemical constituents of Lagotis brevituba were rapidly determined and analyzed by using ultra performance liquid chromatography tandem quadrupole time of flight mass spectrometry (UPLC-Q-TOF-MS/MS) method, providing material basis for the clinical application of L. brevituba. The separation was performed on UPLC YMC-Triart C₁₈ (2.1 mm×100 mm, 1.9 μm) column, with acetonitrile-water containing 0.2% formic acid as mobile phase for gradient elution. The flow rate was 0.4 mL•min-1 gradient elution and column temperature was 40 ℃, the injection volume was 2 μL. ESI ion source was used to ensure the data collected in a negative ion mode. The chemical components of L. brevituba were identified through retention time, exact relative molecular mass, cleavage fragments of MS/MS and reported data. The results showed that a total of 22 compounds were identified, including 11 flavones, 6 phenylethanoid glycosides, 1 iridoid glucosides, and 4 organic acid. The UPLC-Q-TOF-MS/MS method could fast identify the chemical components of L. brevituba, providing valuable information about L. brevituba for its clinical application.

UI MeSH Term Description Entries
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D004365 Drugs, Chinese Herbal Chinese herbal or plant extracts which are used as drugs to treat diseases or promote general well-being. The concept does not include synthesized compounds manufactured in China. Chinese Herbal Drugs,Plant Extracts, Chinese,Chinese Drugs, Plant,Chinese Plant Extracts,Extracts, Chinese Plant,Herbal Drugs, Chinese
D006027 Glycosides Any compound that contains a constituent sugar, in which the hydroxyl group attached to the first carbon is substituted by an alcoholic, phenolic, or other group. They are named specifically for the sugar contained, such as glucoside (glucose), pentoside (pentose), fructoside (fructose), etc. Upon hydrolysis, a sugar and nonsugar component (aglycone) are formed. (From Dorland, 28th ed; From Miall's Dictionary of Chemistry, 5th ed) Glycoside
D000068377 Plantaginaceae A plant family of order Lamiales. The Plantago genus is best known. Lesser known members include Hippuris, Littorella and Callitriche. Globularia,Stemodia,Speedwell Family,Families, Speedwell,Family, Speedwell,Speedwell Families
D047309 Flavones A group of 4-keto-FLAVONOIDS. 2-Phenyl-2-Ene-Benzopyran-4-One Compounds
D053719 Tandem Mass Spectrometry A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the precursor ions are mass-selected by a first mass analyzer, and focused into a collision region where they are then fragmented into product ions which are then characterized by a second mass analyzer. A variety of techniques are used to separate the compounds, ionize them, and introduce them to the first mass analyzer. For example, for in GC-MS/MS, GAS CHROMATOGRAPHY-MASS SPECTROMETRY is involved in separating relatively small compounds by GAS CHROMATOGRAPHY prior to injecting them into an ionization chamber for the mass selection. Mass Spectrometry-Mass Spectrometry,Mass Spectrometry Mass Spectrometry,Mass Spectrometry, Tandem
D057888 Iridoid Glucosides A subclass of iridoid compounds that include a glucoside moiety, usually found at the C-1 position. Iridoid Glucoside,Iridoidglucoside,Secoiridoid Glucoside,Iridoidglucosides,Secoiridoid Glucosides,Glucoside, Iridoid,Glucoside, Secoiridoid,Glucosides, Iridoid,Glucosides, Secoiridoid

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