Discovery and molecular elucidation of the anti-influenza material basis of Banlangen granules based on biological activities and ultra-high performance liquid chromatography coupled with quadrupole-orbitrap mass spectrometry.

Ethnopharmacological Relevance: Traditional Chinese medicine (TCM) has a wide range of applications, including human healthcare-associated treatments and bioactive compound discovery. However, complex chemical systems present a significant challenge for chemical-material-based research and quality control. For instance, Banlangen (BLG) granules is a well-acknowledged TCM preparation widely used in clinical treatment of virus infection.

[Study on quality standard of gypenosides extract and Gypenosides Tablets].

In response to no national standard for Gynostemma pentaphyllum, a market survey was carried out, and 17 batches of gypenosides extract and 29 batches of Gypenosides Tablets on the market were collected. With gypenoside A as an index, the TLC qualitative identification and HPLC quantitative evaluation method of gypenosides extract and tablets was established. Based on the determination results of 17 batches of gypenosides extract and 29 batches of Gypenosides Tablets, the quality standards of gypenosides extract and tablets were formulated respectively, so as to give suggestions for improving the quality standards of gypenosides extract and tablets.

[Recommendations on quality standards of Andrographis Herba and its processed slices in Chinese Pharmacopoeia (2020 edition)].

To improve and perfect the quality standards and propose recommendations for the revision of quality standards for Andrographis Herba and its processed slices in Chinese Pharmacopoeia(ChP)(2020 edition) based on the problems and limitations in ChP(2015 edition). TLC identification method with andrographolide and control herbs as references was established using silica gel G thin layer plate, with chloroform-methylbenzene-methanol(8∶1∶1) as developing solvent, and 10% sulfuric acid ethanol solution as colour-developing agent. This method has good reproducibility, strong specificity and high sensitivity.

[Establishment of "quantitative analysis of multi-components by single marker" method for phenolic acids in compound Danshen Tablets and its application in mass transfer law].

To construct a quality management model for the whole industry chain of compound Danshen Tablets,and quality control system for all key links in the production of compound Danshen Tablets. In this paper,with salvianolic acid B as internal reference substance,three batches of mix standards were prepared,and three sets of relative correlation factors between salvianolic acid B and other phenolic acids were calculated in parallel. Finally,the correlation factors are obtained on average.

[Determination of salvianolic acid B and borneol in compound Danshen tablet by near-infrared spectroscopy and establishment of dependency model].

To determine the contents of salvianolic acid B and borneol in compound Danshen tablet (composed of Salviae Miltiorrhizae Radix et Rhizome, Notoginseng Radix et Rhizome and Borneolum Syntheticum) by near-infrared spectroscopy (NIR) and to establish a dependency model for rapid quantitative analysis. NIR data of 74 batches of compound Danshen tablet from different companies were collected; the contents of salvianolic acid B and borneol were determined by using high performanceliquid chromatography (HPLC) and gas chromatography (GC) respectively to establish the dependency model for salvianolic acid B and borneol. The results showed that the best waveband for salvianolic acid B was 10 846.

[Comparison of saponins from Gynostemma pentaphyllum leaves prepared by different processing methods].

To investigate the differences of chemical compositions in Gynostemma pentaphyllum leaves prepared by different processing methods. Ultra performance liquid chromatography-quadrupole time-of-flight mass spectrometry(UPLC-Q-TOF-MS) was used to compare the chemical compositions between shade-dried processing and drum-dried processing. Forty six gypenosides were identified by control comparison， liquid chromatography-mass spectrometry(LC-MSn) fragmentation information， and literature data.

[Purifying process of gynostemma pentaphyllum saponins based on "adjoint marker" online control technology and identification of their compositions by UPLC-QTOF-MS].

To optimize the purification process of gynostemma pentaphyllum saponins (GPS) based on "adjoint marker" online control technology with GPS as the testing index. UPLC-QTOF-MS technology was used for qualitative analysis. "Adjoint marker" online control results showed that the end point of load sample was that the UV absorbance of effluent liquid was equal to half of that of load sample solution, and the absorbance was basically stable when the end point was stable.

[A quantitative method using one marker for simultaneous assay of ginsenosides in Panax ginseng and P. notoginseng].

Current quality control patterns are limited to industrial application, for most of the natural chemical reference substances are expensive and unavailable. Herein, a method, quantitative analysis of multi-components with single marker (QAMS), was established and validated to simultaneously determine nine ginsenosides (ginsenoside Rg1, Re, Rf, Rh1, Rb1, Rc, Rb2, Rb3, Rd) in P. ginseng and four ginsenosides (ginsenoside Rg1, Rh1, Rb1, Rd) in P.