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1.
Article in Chinese | WPRIM | ID: wpr-878814

ABSTRACT

This study was designed to determine the metabolites of Zhali Nusi Prescription(ZLNSP) in rats. The ultra-high performance liquid chromatography-LTQ Orbitrap mass spectrometric(UHPLC-LTQ-Orbitrap-MS) and mass defect filter techniques were applied to analyze the metabolites of ZLNSP in rat plasma, bile, urine and feces. The biological samples were analyzed by ACQUITY UPLC BEH T_3 column(2.1 mm×100 mm,1.7 μm), with 0.1% formic acid water(A)-acetonitrile(B) as mobile phase, and the biological samples were analyzed in negative ion mode by electrospray ionization mass spectrometry(ESI-MS). An analytical method for biological samples of rats was established, and 8 prototype components and 36 metabolites were identified. The results showed that the metabolic pathways of the main components of ZLNSP in rats included methylation, glucuronidation, sulfation and so on. It provi-ded information for the therapeutic effect of ZLNSP in vivo.


Subject(s)
Administration, Oral , Animals , Bile , Chromatography, High Pressure Liquid , Feces , Plasma , Prescriptions , Rats
2.
Article in Chinese | WPRIM | ID: wpr-773716

ABSTRACT

This study aims to compare the differences of Paeonia lactiflora from different habitats by establishing fingerprint. The fingerprint of P. lactiflora was established by UPLC. The samples collected from Sichuan,Hebei,Henan,Shanxi and Anhui were analyzed. The common peaks were identified by UPLC-Q-TOF/MS. The relative peak area of the common peaks was analyzed through similarity evaluation system( 2012 edition) for chromatographic fingerprint of traditional Chinese medicine developed by the National Pharmacopoeia Commission. Twelve common peaks were obtained and ten components were identified by reference substance and literature comparison. The similarity of each sample to the reference fingerprint is greater than 0. 900. However,all samples were clearly divided into 5 groups according to habitats after PLS-DA analysis. The peaks 2,6( ethyl gallate),10( galloypaeoniflorin) and 12( benzoyl paeoniflorin) were found to be the main difference components between the samples from five different habitats through the VIP value map. The study found that the variety of ingredients in the different areas are basically similar. But there are some differences in the content of the four components. The results of this study can provide reference at choosing and utilizing P. lactiflora from different places comprehensively.


Subject(s)
China , Chromatography, High Pressure Liquid , Drugs, Chinese Herbal , Ecosystem , Paeonia , Chemistry , Phytochemicals , Plant Roots , Chemistry
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