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[Effect of rat intestinal flora on in vitro metabolic transformation of pumiloside]

Hui Fang1, Meng-Xuan Li1, Hai-Bo Li1

  • 1Jiangsu Kanion pharmaceutical Co., Ltd., Lianyungang 222001, China.

Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica
|September 13, 2017
PubMed

Insights

Pumiloside undergoes significant metabolic transformation by rat intestinal flora in vitro. Researchers identified several metabolites, indicating extensive biotransformation of this compound.

Area of Science:

  • Pharmacology
  • Microbiology
  • Analytical Chemistry

Background:

  • Intestinal flora plays a crucial role in the metabolism of xenobiotics.
  • Understanding the biotransformation of natural compounds like pumiloside is essential for pharmacology.

Purpose of the Study:

  • To investigate the in vitro metabolic transformation of pumiloside by rat intestinal flora.
  • To identify the specific metabolites produced during this biotransformation process.

Main Methods:

  • Incubation of pumiloside with rat intestinal flora under in vitro conditions.
  • High-Performance Liquid Chromatography (HPLC) for monitoring metabolic progression.
  • High-Performance Liquid Chromatography-Quadrupole Time-of-Flight Mass Spectrometry (HPLC-Q-TOF-MS) for metabolite structure elucidation.

Main Results:

  • Pumiloside was readily metabolized by the rat intestinal flora.
  • Prolonged incubation led to the formation of multiple pumiloside metabolites.
  • Three distinct metabolites were initially identified from the biotransformation products.

Conclusions:

  • Rat intestinal flora extensively metabolizes pumiloside in vitro.
  • The identified metabolites provide insight into the biotransformation pathways of pumiloside.
Keywords:
LC-MSintestinal florametabolitespumiloside

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