Shu-ting YANG, Si-ying CHEN, Hui-yuan SUN, et al. Effect of Intestinal Flora in Rats on Metabolism and Transformation of Effective Components in Polygonum orientale Inflorescences[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(14): 142-149.
DOI:
Shu-ting YANG, Si-ying CHEN, Hui-yuan SUN, et al. Effect of Intestinal Flora in Rats on Metabolism and Transformation of Effective Components in Polygonum orientale Inflorescences[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(14): 142-149. DOI: 10.13422/j.cnki.syfjx.20190447.
Effect of Intestinal Flora in Rats on Metabolism and Transformation of Effective Components in Polygonum orientale Inflorescences
To observe the metabolic characteristics of effective components from
Polygonum orientale
inflorescences in intestinal flora of rats.
Method:
2
The incubating samples of effective components from
P
.
orientale
inflorescences in rat intestinal flora
in vitro
were detected by UPLC-ESI-Q-TOF-MS/MS
the mobile phase was consisted of 0.1%formic acid solution-0.1%formic acid acetonitrile solution and eluted in gradient mode at a flow rate of 0.3 mL·min
-1
.The mass spectral analysis was detected with electrospray ionization under positive ion mode and negative ion mode.The metabolites and possible biotransformation pathways of effective components form
P
.
orientale
inflorescences in rat intestinal flora
in vitro
was analyzed by Metabolite Tools™
mass defect filtration(MDF) and other metabolite analysis techniques and combined with the accurate relative molecular weight of the compounds
the fragment ion information and the literature data.
Result:
2
Eighteen metabolites were detected after incubation of effective components from
P
.
orientale
inflorescences in rat intestinal flora.The main biotransformation pathways were reduction
oxidation
hydrolysis in Ⅰ phase reaction and methylation in Ⅱ phase reaction.
Conclusion:
2
The effective components of
P
.
orientale
inflorescences can be transformed into a variety of metabolites under the action of intestinal flora in rats.It is suggested that whether the metabolites are bioactive components should be considered when
CUI Q , PAN Y , XU X , et al . The metabolic profile of acteoside produced by human or rat intestinal bacteria or intestinal enzyme in vitro employed UPLC-Q-TOF-MS [J]. Fitoterapia , 2016 , 109 : 67 - 74 .
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Related Author
Hong-ying CHEN
Yun-fang HUANG
Qi-hua LIU
Wei ZHENG
Zhi-hui LI
Jian-hua CHEN
Jing QI
Ting ZHANG
Related Institution
School of Chinese Materia Medica, Beijing University of Chinese Medicine
Guang'anmen Hospital, China Academy of Chinese Medical Sciences
College of Pharmacy,Anhui University of Chinese Medicine
School of Integrated Chinese and Western Medicine,Anhui University of Chinese Medicine
Geriatric Care and Health Laboratory,Anhui University of Chinese Medicine