【摘 要】
：
The leaves of Jerusalem artichoke (Helianthus tuberosus L.) have been reported to possess anticancer activities.Sesquiterpene lactones (SLs) are the dominan
【机 构】
：
Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics,
【出 处】
：
第2届大连国际色谱学术报告会、第37届国际高效液相色谱及相关技术会议、第18届全国色谱学术报告会
论文部分内容阅读
The leaves of Jerusalem artichoke (Helianthus tuberosus L.) have been reported to possess anticancer activities.Sesquiterpene lactones (SLs) are the dominant active constituents of Jerusalem artichoke leaves.Consequently, simultaneous determination of SLs could be a better strategy for the comprehensive quality evaluation of Jerusalem artichoke.An ultra performance liquid chromatography (UPLC) coupled to photodiode-array detection and quadrupole time-of-flight mass spectrometry (Q-TOF) method was developed for the rapid qualitative and quantitative analyses of eleven SLs in Jerusalem artichoke leaves in 15 min.The optimal chromatographic conditions were achieved on a ZORBAX Eclispse Plus C18 column (3.0× 150mm, 1.8 micron) with linear gradient elution of methanol and water.Quantitative analysis was carried out under selective ion monitoring (SIM) mode.
其他文献
相关数据显示,社会发展进程中化学行业产生的废水、废气和固体废弃物呈逐年增加趋势,废弃物未经处理,直接或间接排放到自然环境中,造成的经济损失不可估量.因此,相关企业要积
To determine trace amount of compounds of interest in a very complex sample matrix requires an efficient sample clean up procedure.Currently, liquid-liquid
In Asian countries, several species of seaweed are used as human food, to provide nutrition and a characteristic taste.Fresh dried seaweed is extensively co
随着社会的不断发展进步,人类科技水平也在不断的提升,企业对于信息化的运用水平能力也在逐步完善.信息系统的使用在企业发展中的频率也在日益增加,因此,为了能够契合企业发
Two-dimensional chromatography had become an important analytical tool for the separation of complex samples.The development of two-dimensional high-perform
电缆线路在电力系统中的应用十分广泛,随着城市建设的发展,电缆线路在电力线路中的占比逐步提高.在电缆线路施工及检修过程中,有必要对电缆管道采取封堵措施,以保证电缆质量
Traditional Chinese medicine (TCM) has been widely used in China for thousands of years.Drugs from marine sources are an important part of TCM, and are gain
随着科学技术的发展,现代大数据在消防工作中的探索与应用也应提上日程,通过对大数据的理解和掌握,在现有技术水平下,将大数据与消防工作相结合,提升消防工作能力和水平,促进
随着我国社会建设的不断发展,信息技术也得到了迅猛发展,信息技术给各行业带来了新的发展契机.在医院通过对医院信息化的建设促使医院提供基础系统的服务,随着社会居民对信息
设备配件管理对于企业而言是一项和生产紧密相关的工作.配件全流程的高效管理,可提升企业生产设备的可用率和利用效率,切实促进企业降本增效.本文从完整性角度对设备配件管理