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dryopteris chrysocoma/antioksüdant
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10 tulemused
Antioxidant activity of two phloroglucinol derivatives from Dryopteris crassirhizoma.
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The rhizome of Dryopteris crassirhizoma NAKAI exhibited significant antioxidant activity, as assessed by the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity in vitro. Two phloroglucinol derivatives, flavaspidic acids PB (1) and AB (2), were isolated from the rhizome of D.
Solvent-free microwave extraction of essential oil from Dryopteris fragrans and evaluation of antioxidant activity.
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Solvent-free microwave extraction (SFME) of the essential oil from Dryopteris fragrans and its antioxidant activity were investigated. A central composite design combined with response surface methodology was applied to study the influences of extraction time, irradiation power and humidity
Effects of different pretreatments on flavonoids and antioxidant activity of Dryopteris erythrosora leave.
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Flavonoids are secondary metabolites of plants that often have medical applications. The influences of different sample drying pretreatments on flavonoids and antioxidant activity of ferns have not studies. Dryopteris erythrosora leaves used to analyze flavonoid alterations resulting from drying
Seasonal dynamics of total flavonoid contents and antioxidant activity of Dryopteris erythrosora.
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The seasonal dynamics of the total flavonoid contents in various parts of Dryopteris erythrosora, a traditional Chinese medicinal fern, and their antioxidant activity were investigated. The total flavonoids content in various parts of D. erythrosora showed an obvious seasonal dynamic change. The
Antioxidant and immunomodulatory activities of polysaccharides from the rhizome of Dryopteris crassirhizoma Nakai.
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Rhizome of the fern Dryopteris crassirhizoma Nakai is used as an antiviral drug in China. The objective was to characterize physicochemical properties, structural features and antioxidant and immunological activities of D. crassirhizoma polysaccharides. An acidic polysaccharide fraction (DCP-3) was
Characterization of flavonoids from Dryopteris erythrosora and evaluation of their antioxidant, anticancer and acetylcholinesterase inhibition activities.
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The profiles and bioactivities of flavonoids extracted from Dryopteris erythrosora were investigated. The total flavonoid content in full plant of D. Erythrosora is about 14.33%. The main flavonoids in D. Erythrosora were identified as gliricidin 7-O-hexoside, apigenin7-O-glucoside, quercetin
Aspidin BB, a phloroglucinol derivative, exerts its antibacterial activity against Staphylococcus aureus by inducing the generation of reactive oxygen species.
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Aspidin BB, a phloroglucinol derivative extracted from Dryopteris fragrans (L.) Schott, has been previously reported to exert high biological activities. In the present study, antibacterial activities and mechanisms of aspidin BB against Staphylococcus aureus were investigated. Aspidin BB exhibited
In vivo and in vitro anti‑allergic and anti‑inflammatory effects of Dryopteris crassirhizoma through the modulation of the NF‑ĸB signaling pathway in an ovalbumin‑induced allergic asthma mouse model
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Dryopteris crassirhizoma (DC) has a wide range of pharmacological effects, including antibacterial, anti‑influenza virus, anti‑tumor, anti‑reverse transcriptase and antioxidant effects. However, the inhibitory effect of DC on allergic inflammatory response remains unclear; therefore, the current
Dryofragin, a phloroglucinol derivative, induces apoptosis in human breast cancer MCF-7 cells through ROS-mediated mitochondrial pathway.
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Dryofragin is a phloroglucinol derivative extracted from Dryopteris fragrans (L.) Schott. In this study, the anticancer activity of dryofragin on human breast cancer MCF-7 cells was investigated. Dryofragin inhibited the growth of MCF-7 cells in a time and concentration-dependent manner. The cell
Ethanol extract of Dryopteris crassirhizoma alleviates allergic inflammation via inhibition of Th2 response and mast cell activation in a murine model of allergic rhinitis.
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