Processing of Reynoutria multiflora: transformation of catechin and gallic acid derivatives and their identification
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View abstract on PubMed
Summary
This summary is machine-generated.Processing <i>Reynoutria multiflora</i> (RM) alters its chemical composition, significantly impacting gallic acid and catechin metabolites. This research clarifies metabolite changes during processing for improved herbal medicine safety and efficacy.
Area Of Science
- Phytochemistry
- Traditional Chinese Medicine
- Metabolomics
Background
- <i>Reynoutria multiflora</i> (RM) root is a key ingredient in traditional Chinese herbal medicine.
- Processing of raw RM is crucial for reducing toxicity and enhancing efficacy.
- Current processing lacks detailed endpoint regulation, leading to variable outcomes.
Purpose Of The Study
- To elucidate the mechanism of RM processing for toxicity reduction and efficacy enhancement.
- To investigate changes in gallic acid and catechin-based metabolites during RM processing.
Main Methods
- Utilized tandem mass spectrometry to analyze gallic acid and catechin-based metabolites.
- Quantified changes in metabolite peak areas across different processing times.
Main Results
- Identified 259 gallic acid-based and 112 catechin-based metabolites.
- Observed varied trends in metabolite levels: gradual decrease, increase-then-decrease, and gradual increase.
- Hypothesized hydrolysis of gallic acid metabolites and degradation of catechin polymers contributing to observed changes.
Conclusions
- RM processing significantly alters its secondary metabolite profile.
- Understanding these chemical group changes provides a foundation for studying RM's pharmacological and toxicological mechanisms.
- Identified metabolite shifts can aid in screening for relevant biomarkers.
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