2.5基于UHPLC-Q-Orbitrap HRMS的化学成分分析 2.5.1混合对照品溶液的制备精密称取对照品DL-精氨酸、缬氨酸、DL-正亮氨酸、吲哚苷、靛红、松脂素-β- D-吡喃葡萄糖苷、毛蕊花糖苷、吲哚、靛蓝、靛玉红于25 mL量瓶中,加入适量DMSO,超声(150 W、40 kHz)溶解后用DMSO溶剂定容。取1 mL溶液于5 mL量瓶中,用色...
学术范收录的Journal Comparative HPLC-DAD and UHPLC-ESI(-)-HRMS & MS/MS profiling of Hypericum species and correlation with necrotic cell-death activity in human leukemic cells,目前已有全文资源,进入学术范阅读全文,查看参考文献与引证文献,参与文献内容讨
All the three bioactive extracts were subjected to HPLC-DAD and UHPLC-ESI()-HRMS & MS/MS dereplication procedures for correlation purposes. Interesting comparative results related to known constituents such as naphodianthrones, phloroglucinol derivatives and flavonoids were elucidated. To our knowledge,...
(UHPLC-Q-Orbitrap HRMS)技术, 质量分数为 99.92%),Z-蒿本内酯(MUST-16060801, 为系统分析精制冠心软胶囊化学成分建立了一种高 质量分数为 99.70%),丁烯基苯酞(MUST-16050711, 通量,高准确性和高灵敏度的定性研究方法.对 质量分数为 98.86%),隐丹参酮(MUST-16022403, 获取的化合物保留时间,精确相对分子质量...
UHPLC-HRMS (Orbitrap) polyphenolic profiling was applied to the characterization, classification and authentication of cranberry-based natural and pharmaceutical products. 53 polyphenolic standards were characterized to build a user accurate mass database which was then proposed to obtain UHPLC-HRMS polyphe...
基于 HPLC-Q-TOF-MS/MS 和 HPLC-DAD 的青钱柳叶化学成分的鉴定分析 [J]. 中国药师 , 2022,25(6):966−971. [LAN Y, WANG H Y, ZHANG X Q, et al. Analysis of main active components from the leaves of Cyclocarya paliurus by HPLC-Q-TOF-MS/MS and HPLC-DAD[J]. Chinese Pharmacist,...
analysis. In addition, the utilization of Q orbitrap HRMS could realize simultaneously qualitative and quantitative determination in one analysis, which shortened analysis time. To the best of our knowledge, this is the first time to report the application of Q-Orbitrap HRMS in simultaneously ...
The objective of this study is the development of a new structure-oriented approach based on fast UHPLC-high-resolution (HR)MS and HRMS/MS methodologies for the identification of isoflavonoids in crude extracts. In addition, aims to assist dereplication procedures, to decrease the laborious ...
CHARACTERIZATION AND CLASSIFICATION OF SPANISH PAPRIKA WITH PROTECTED DESIGNATION OF ORIGIN BY UHPLC-HRMS POLYPHENOLIC FINGERPRINTING AND CHEMOMETRICS 来自 掌桥科研 喜欢 0 阅读量: 9 作者:S Barbosa,G Campmajo,O Nunez,J Saurina,L Puignou 摘要: Paprika is a red powder seasoning with a characteristic...
2.5基于UHPLC-Q-Orbitrap HRMS的化学成分分析 2.5.1混合对照品溶液的制备精密称取对照品DL-精氨酸、缬氨酸、DL-正亮氨酸、吲哚苷、靛红、松脂素-β- D-吡喃葡萄糖苷、毛蕊花糖苷、吲哚、靛蓝、靛玉红于25 mL量瓶中,加入适量DMSO,超声(150 W、40 kHz)溶解后用DMSO溶剂定容。取1 mL溶液于5 mL量瓶中,用色...