Systematic investigation on the chemical basis of anti‐NAFLD Qushi Huayu Fang. Part 1: A study of metabolic profiles in vivo and in vitro by high‐performance liquid chromatography–quadrupole time‐of‐flight mass spectrometry

2020 ◽  
Vol 34 (5) ◽  
Author(s):  
Huan Liu ◽  
Zhaolin Sun ◽  
Xiaoting Tian ◽  
Qin Feng ◽  
Ziqiong Guo ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
High Performance ◽  
Time Of Flight ◽  
Systematic Investigation ◽  
Metabolic Profiles ◽  
Flight Mass Spectrometry

scholarly journals Characterization of the In Vivo and In Vitro Metabolites of Linarin in Rat Biosamples and Intestinal Flora Using Ultra-High Performance Liquid Chromatography Coupled with Quadrupole Time-of-Flight Tandem Mass Spectrometry

Molecules ◽  
2018 ◽  
Vol 23 (9) ◽  
pp. 2140 ◽  
Author(s):  
Xinchi Feng ◽  
Yang Li ◽  
Chenxi Guang ◽  
Miao Qiao ◽  
Tong Wang ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
High Performance ◽  
Time Of Flight ◽  
Intestinal Flora ◽  
Ring Cleavage ◽  
Drug Candidate

Linarin, a flavone glycoside, is considered to be a promising natural product due to its diverse pharmacological activities, including analgesic, antipyretic, anti-inflammatory and hepatoprotective activities. In this research, the metabolites of linarin in rat intestinal flora and biosamples were characterized using ultra-high-performance liquid chromatography/quadrupole time-of-flight mass spectrometry (UPLC/Q-TOF-MS/MS). Three ring cleavage metabolites (4-hydroxybenzoic acid, 4-hydroxy benzaldehyde and phloroglucinol) were detected after linarin was incubated with rat intestinal flora. A total of 17 metabolites, including one ring cleavage metabolite (phloroglucinol), were identified in rat biosamples after oral administration of linarin. These results indicate that linarin was able to undergo ring fission metabolism in intestinal flora and that hydrolysis, demethylation, glucuronidation, sulfation, glycosylation, methylation and ring cleavage were the major metabolic pathways. This study provides scientific support for the understanding of the metabolism of linarin and contributes to the further development of linarin as a drug candidate.

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