AI Article Synopsis
- The study analyzes polysaccharides from different batches of AR (a medicinal herb) to identify those responsible for immunomodulatory activity using TFA hydrolysis, PAGE, and HPTLC techniques.
- Researchers extracted AR polysaccharides and created saccharide fingerprints to differentiate AR from various germplasm sources, revealing specific oligosaccharides that indicate differences based on cultivation methods and species.
- The findings suggest that specific oligosaccharides can enhance the secretion of important immune markers, thus providing a basis for assessing the quality of AR medicinal herbs.
Article Abstract
Objective: Based on trifluoroacetic acid (TFA) hydrolysis, polyacrylamide gel electrophoresis (PAGE) and high performance thin layer chromatography (HPTLC) analysis, the carbohydrate responsible for immunomodulatory activity are used as quality indicators for (AR).
Methods: In this study, 24 batches of AR from different germplasm resources were selected as the research object, and AR polysaccharides were extracted. PAGE and HPTLC methods were used to analyze the partial acid hydrolyzate of AR polysaccharides and obtain a series of saccharide fingerprints. The data were analyzed by principal component analysis to obtain the difference between AR from different germplasm resources.
Results: The results showed that trisaccharide and tetrasaccharide could be used as differential fragments to distinguish AR of different cultivation methods; Disaccharides and trisaccharides can be used as differential fragments to distinguish different species of AR. The immunological activity analysis of the specific oligosaccharide fragment of AR showed that the specific oligosaccharide fragment of AR could promote the secretion of TNF-α, IL-1β, IL-6, and NO in THP-1 cells in a concentration-dependent manner.
Conclusion: Both PAGE and HPTLC methods can be used to evaluate AR from different germplasm resources. This study laid the foundation for the quality evaluation of AR medicinal herbs.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9476770 | PMC |
| http://dx.doi.org/10.1016/j.chmed.2020.07.004 | DOI Listing |
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