Results 71 to 80 of about 1,801 (155)

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

The desalkylation of physcion [PDF]

open access: yesChemistry of Natural Compounds, 1971
T. K. Chumbalov   +2 more
openaire   +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

RETRACTED: Physcion induces apoptosis through triggering endoplasmic reticulum stress in hepatocellular carcinoma

open access: yesBiomedicine & Pharmacotherapy, 2018
Hepatocellular carcinoma (HCC) is one of the most common and aggressive malignancies. The current study aimed to investigate the effect of physcion, a major active ingredient in several traditional herbal medicinal plants, for the treatment of HCC. Our data showed that physcion markedly induced apoptosis in human HCC cell lines Huh7 and Bel7402.
Xiao-Ping, Pan   +3 more
openaire   +2 more sources

Geographic variation in secondary metabolites contents and their relationship with soil mineral elements in Pleuropterus multiflorum Thunb. from different regions

open access: yesScience of Traditional Chinese Medicine
. Background. Pleuropterus multiflorum Thunb. cv. “Heshouwu” (HSW) has been used as a classical material for both medicine and food in China for millennia.
Yaling Yang   +12 more
doaj   +1 more source

A New Coumaronochromone From

open access: yesNatural Product Communications, 2019
A new coumaronochromone derivative, boeravinone R (5,7-dihydroxy-3´-methoxy-coumaronochromone) ( 1 ), together with 4 known compounds: β - sitosterol ( 2 ), oleic acid ( 3 ), physcion ( 4 ), and glutinol ( 5 ), was isolated from Boerhaavia diffusa L ...
Ta Thi Thuy   +6 more
doaj   +1 more source

Anthraquinone Profile, Antioxidant and Antimicrobial Properties of Bark Extracts of and R.

open access: yesNatural Product Communications, 2011
The anthraquinone profile, antioxidant and antimicrobial activities as well as the total phenol and total flavonoid contents were determined in methanol extracts of the barks of Rhamnus catharticus L. and R. orbiculatus Bornm.
Marcello Locatelli   +6 more
doaj   +1 more source

Toxicity, antioxidant activity and phytochemical characterization of Coccoloba mollis roots and leaves

open access: yesSemina: Ciências Exatas e Tecnológicas, 2010
Coccoloba mollis is a plant that is used in medicine in Londrina, Brazil. The root extract showed stronger activity against A. salina (68.5 μg/mL) than did the leaf extract (1342 μg mL), and demonstrated good activity when compared with the positive ...
Iuri Bezerra de Barros   +8 more
doaj  

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