Effects of ion source operating parameters on direct analysis in real time of 18 active components from traditional Chinese medicine

2016 ◽  
Vol 121 ◽  
pp. 30-38 ◽  
Author(s):  
Lu Wang ◽  
Shanshan Zeng ◽  
Haibin Qu
Keyword(s):  
Chinese Medicine ◽  
Traditional Chinese Medicine ◽  
Real Time ◽  
Direct Analysis ◽  
Ion Source ◽  
Operating Parameters ◽  
Active Components

scholarly journals Direct Analysis in Real Time by Mass Spectrometric Technique for Determining the Variation in Metabolite Profiles ofCinnamomum tamalaNees and Eberm Genotypes

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Vineeta Singh ◽  
Atul Kumar Gupta ◽  
S. P. Singh ◽  
Anil Kumar
Keyword(s):  
Real Time ◽  
Principal Component ◽  
Direct Analysis ◽  
Ion Source ◽  
Diabetic Patients ◽  
Phytochemical Analysis ◽  
Active Components ◽  
Cinnamomum Tamala ◽  
Wide Range ◽  
Metabolite Profiles

Cinnamomum tamalaNees & Eberm. is an important traditional medicinal plant, mentioned in various ancient literatures such as Ayurveda. Several of its medicinal properties have recently been proved. To characterize diversity in terms of metabolite profiles ofCinnamomum tamalaNees and Eberm genotypes, a newly emerging mass spectral ionization technique direct time in real time (DART) is very helpful. The DART ion source has been used to analyze an extremely wide range of phytochemicals present in leaves ofCinnamomum tamala. Ten genotypes were assessed for the presence of different phytochemicals. Phytochemical analysis showed the presence of mainly terpenes and phenols. These constituents vary in the different genotypes ofCinnamomum tamala. Principal component analysis has also been employed to analyze the DART data of theseCinnamomumgenotypes. The result shows that the genotype ofCinnamomum tamalacould be differentiated using DART MS data. The active components present inCinnamomum tamalamay be contributing significantly to high amount of antioxidant property of leaves and, in turn, conditional effects for diabetic patients.

Study of Mechanism of Ionization Assisted by Methylation in Direct Analysis in Real Time Ion Source

2012 ◽  
Vol 70 (15) ◽  
pp. 1650 ◽  
Author(s):  
Qing Yu ◽  
Binbin Yu ◽  
Hao Yue ◽  
Lili Jiao ◽  
Shuying Liu
Keyword(s):  
Real Time ◽  
Direct Analysis ◽  
Ion Source
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