Structural characterization and anti-oxidation activity of pectic ...
网页2023年9月1日 · In this study, we isolated pectic polysaccharide WSMP-A2b from the stems and leaves of S. mileensis, and analyzed its structural features in terms of sugar composition, FT-IR, NMR and enzymatic analyses. The results show that WSMP-A2b is composed of RG-I, RG-II and HG domains, with a mass ratio of 2.1:1.0:2.2.
Bioactive triterpenoids from the traditional Chinese medicine
网页2023年6月1日 · The whole plant of S. mileensis has been documented in the Chinese Pharmacopoeia as a traditional Chinese medicine under the name “Qing-Ye-Dan” to treat liver and gallbladder diseases especially viral hepatitis.
Swertia mileensis T.N. Ho et W.L. Shih | SpringerLink
网页Qingyedan, Herba Swertiae mileensis, is the dry whole herbs of Swertia mileensis T.N. Ho et W.L. Shih (Gentianaceae), which is collected in the fall during its flowering and fruiting season. It is officially listed in the Chinese Pharmacopoeia and is used in traditional Chinese medicine as a choleretic and diuretic agent.
Bioactive triterpenoids from the traditional Chinese medicine …
网页adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A
Three new C-glycosyflavones with acetyl substitutions from …
网页Three new acetylated C-glycosylflavones, 3″,6″-di-O-acetylswertiajaponin (1), 4″,6″-di-O-acetylswertiajaponin (2), and 6″-O-acetylswertiajaponin (3), together with six known compounds were isolated from the whole herb of Swertia mileensis. Their structures were elucidated on extensive NMR experiment ….
Anti-hepatitis B virus active lactones from the traditional Chinese ...
网页2011年3月28日 · Abstract. Swerilactones H-K (1-4), which are four novel lactones with an unprecedented C29 skeleton, were isolated from Swertia mileensis (Qing-Ye-Dan), an endemic Chinese herb used for treating viral hepatitis. Their structures were determined by extensive spectroscopic and X-ray crystallographic diffraction analyses.
Swerilactones A and B, Anti-HBV New Lactones from a Tradtional …
网页Swerilactones A (1) and B (2), two novel lactones with an unprecedented 6/6/6/6/6 pentacyclic ring system, were isolated from the traditional Chinese herb of Swertia mileensis with activity against the hepatitis virus. Their structures and relative stereochemistry were elucidated based on spectroscopic methods …
Swerilactones L-O, secoiridoids with C₁₂ and C₁₃ ... - PubMed
网页2011年8月26日 · Swerilactones L-O (1-4), four unusual secoiridoids with unprecedented C₁₂ and C₁₃ skeletons, were isolated from the traditional Chinese herb Swertia mileensis. Compounds 1 and 2 had moderate inhibitory activities against the secretion of hepatitis B virus surface antigen (IC₅₀ = 1.47 and 1.20 mM, wi ….
Swerilactones L–O, Secoiridoids with C - ACS Publications
网页Swerilactones L–O ( 1 – 4 ), four unusual secoiridoids with unprecedented C 12 and C 13 skeletons, were isolated from the traditional Chinese herb Swertia mileensis. Compounds 1 and 2 had moderate inhibitory activities against the secretion of hepatitis B virus surface antigen (IC 50 = 1.47 and 1.20 mM, with SI < 1 and 1.53, respectively ...
Three new C-glycosyflavones with acetyl substitutions from …
网页2018年7月26日 · As a medicinal plant, S. mileensis is used traditionally for the treatment of hepatitis. In the present study, those active constituents showed potential antioxidant activities in vitro, to reveal its underlying efficacy.
跳至内容