Results 111 to 120 of about 4,321 (234)

AComparative Qualitative and Quantitative Study of Anthraquinone Derivatives in the Roots of Rheum ribes and Rheum emodi by HPLC

open access: yesIraqi Journal of Pharmaceutical Sciences, 2017
High performance liquid chromatography was applied for the separation and identification of four antharquinone derivatives, aloe emodin, emodin, chrysophanol and physcion. The separation was carried out using Eurospher 100, C18 column (4.6 mm i.d.
Alaadin M. Naqishbandi   +2 more
doaj   +3 more sources

Identification and Differentiation of Polygonum multiflorum Radix and Polygoni multiflori Radix Preaparata through the Quantitative Analysis of Multicomponents by the Single-Marker Method

open access: yesJournal of Analytical Methods in Chemistry, 2019
The quantitative analysis of multicomponents by the single-marker (QAMS) method was established and the relationship between F value (the ratio of the sum of the contents of emodin-8-O-β-D-glucopyranoside and physcion-8-O-β-D-glucopyranoside to the sum ...
Ding-Qiang Luo   +6 more
doaj   +1 more source

Comparison of raw and processed Radix Polygoni Multiflori (Heshouwu) by high performance liquid chromatography and mass spectrometry

open access: yesChinese Medicine, 2010
Background Radix Polygoni Multiflori is the dried root tuber of Polygonum multiflorum Thunb. (Fam. Polygonaceae). According to Chinese medicine theory, raw (R-RPM) and processed (P-RPM) Radix Polygoni Multiflori possess different properties.
Liang Zhitao   +3 more
doaj   +1 more source

Qi‐Gui‐Sheng‐Jiang‐San Decoction Regulating Hypoxia Response Through Non–Oxygen‐Dependent Pathway Improves Diabetic Kidney Disease: Coupling Network Pharmacology With Experimental Verification

open access: yesJournal of Diabetes Research, Volume 2025, Issue 1, 2025.
Background Diabetic kidney disease (DKD) is a major global cause of end‐stage renal disease. Emerging evidence suggests that hypoxia is a critical factor in the advancement of DKD. Traditional Chinese medicine (TCM) is an effective alternative therapy for DKD.
Yi-fan Liu   +11 more
wiley   +1 more source

The genus Xanthoria (Teloschistaceae, lichenised Ascomycota) in the Maltese Islands [PDF]

open access: yes, 2011
The occurrence of Xanthoria calcicola Oksner, Xanthoria aureola (Ach.) Erichsen and Xanthoria parietina (L.) Th.Fr. are confirmed for the Maltese Islands.
Fiorentino, Jennifer
core  

Antimicrobial Polymeric Nanoparticles in Endodontics: A Systematic Review

open access: yesJournal of Nanotechnology, Volume 2025, Issue 1, 2025.
Background: The efficacy of endodontic treatments, essential for managing infections and injuries in dental pulp, heavily relies on completely eradicating microorganisms from the root canal system. Traditional methods often fail to achieve thorough disinfection, prompting the exploration of polymeric nanoparticles for their potential to enhance ...
Marco Felipe Salas Orozco   +8 more
wiley   +1 more source

An Unusual Piceatannol Dimer from Rheum austral D. Don with Antioxidant Activity

open access: yesMolecules, 2014
A novel dimer of piceatannol glycoside, named rheumaustralin (1) was isolated from the underground parts of the ethnomedicinal plant Rheum austral (Polygonaceae) collected from Tibet together with 17 known compounds, including rheumin (2), 2,5-dimethyl ...
Lin Hu   +5 more
doaj   +1 more source

Environmental Influences on Marker Compound Accumulation in the Roots of Reynoutria multiflora Cultivated in Korea

open access: yesForest Science and Technology
Reynoutria multiflora (Thunb.) Moldenke is a perennial medicinal plant widely used in East Asia for its bioactive root compounds, including 2,3,5,4′-tetrahydroxy stilbene-2-O-β-D-glucoside (THSG), emodin, and physcion.
Yonghwan Son   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy