Highly oxygenated flavonoids from Polygonum orientale.
نویسندگان
چکیده
منابع مشابه
Anti-inflammatory and Analgesic Effects of Polygonum orientale L. Extracts
Background and Purpose:Polygonum orientale L. (family: Polygonaceae), named Hongcao in China, is a Traditional Chinese Medicinal and has long been used for rheumatic arthralgia and rheumatoid arthritis. However, no pharmacological and mechanism study to confirm these clinic effects have been published. In this investigation, the anti-inflammatory, analgesic effects and representative active ing...
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Phenol components are major industry contaminants of aquatic environment. Among all practical methods for removing phenol substances from polluted water, activated carbon absorption is the most effective way. Here, we have produced low-cost activated carbon using Polygonum orientale Linn, a wide spreading species with large biomass. The phenol adsorption ability of this activated carbon was eva...
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A simple and selective ultra performance liquid chromatography-electrospray ionization tandem mass spectrometry (UPLC-ESI-MS/MS) assay was developed for the determination of the human plasma protein binding of four bioactive flavonoids (such as orientin and vitexin) in Polygonum orientale. Protein precipitation was used for sample preparation. Equilibrium dialysis technique was applied to deter...
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Two new highly oxygenated lanostane triterpenoids, ganoderic acid AP2 (1) and ganoderic acid AP3 (2), were isolated from the fruiting bodies of the fungus Ganoderma applanatum (Ganodermataceae), along with four known analogues, ganoderenic acids A, B, D and G (3-6). The structures of the new compounds were elucidated on the basis of extensive spectroscopic analysis.
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Hydroxyl radical (OH) oxidation of toluene produces ring-retaining products: cresol and benzaldehyde, and ring-opening products: bicyclic intermediate compounds and epoxides. Here, firstand later-generation OH oxidation products from cresol and benzaldehyde are identified in laboratory chamber experiments. For benzaldehyde, first-generation ring-retaining products are identified, but later-gene...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1982
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.30.1163