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首页> 外文期刊>Journal of mass spectrometry: JMS >Characterization of mustard seeds and paste by DART ionization with time-of-flight mass spectrometry
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Characterization of mustard seeds and paste by DART ionization with time-of-flight mass spectrometry

机译：飞行时间质谱仪通过DART电离表征芥菜籽和糊状物

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摘要

Direct analysis in real time (DART) is a novel technique with great potential for rapid screening analysis. The DART ionization method coupled with high-resolution time-of-flight mass spectrometry (TOF-MS) has been used for characterization of mustard seeds and table mustard. The possibility to use DART to analyse glucosinolates was confirmed on determination of sinalbin (4-hydroxybenzyl glucosinolate). The DART-TOF-MS method was optimized and validated. A set of samples of mustard seeds and mustard products was analyzed. High-performance liquid chromatography and DART-TOF-MS were used to determine glucosinolates in mustard seeds and compared. The correlation equation between these methods was DART = 0.797*HPLC + 6.987, R~2 = 0.972. The DART technique seems to be a suitablemethod for evaluation of the quality of mustard seeds andmustard products.
机译：实时直接分析（DART）是一种新颖的技术，具有快速筛选分析的巨大潜力。 DART电离方法与高分辨率飞行时间质谱（TOF-MS）结合已用于表征芥菜籽和芥菜。测定Sinalbin（4-羟基苄基芥子油苷）后，证实了使用DART分析芥子油苷的可能性。对DART-TOF-MS方法进行了优化和验证。分析了一组芥菜籽和芥菜产品样品。高效液相色谱和DART-TOF-MS用于测定芥菜籽中的芥子油苷并进行比较。这些方法之间的相关方程为DART = 0.797 * HPLC + 6.987，R〜2 = 0.972。 DART技术似乎是评估芥菜种子和芥菜产品质量的合适方法。

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