neolignan/inflamație

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Antioxidant and anti-inflammatory neolignans from the seeds of hawthorn.

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Seven new neolignans (1-2, 7-11) and five known compounds (3-6, 12) were isolated from the 70% EtOH extract of hawthorn seeds. Their structures were determined by spectroscopic analyses. The antioxidant and anti-inflammatory activities of all the isolates were investigated. Most of the isolates

Anti-inflammatory neolignans from the roots of Magnolia officinalis.

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Nine neolignan derivatives (1-9) were characterized from the roots of Magnolia officinalis, and their structures were elucidated based on spectroscopic and physicochemical analyses. Among them, houpulins E (1) and M (9) possess novel homo- and trinor-neolignan skeletons. In addition, 15 known

Biphenyl-type neolignans from Magnolia officinalis and their anti-inflammatory activities.

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Reactive oxygen species (ROS) and granule proteases produced by human neutrophils contribute to the pathogenesis of inflammatory diseases. The MeOH extract of the stem bark of Magnolia officinalis showed potent inhibitory effects on superoxide anion generation and elastase release by human

Anti-Inflammatory Effect of Neolignans Newly Isolated from the Crude Drug "Shin-i" (Flos Magnoliae).

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The anti-inflammatory effects of the major components of the dried flower buds of MAGNOLIA SALICIFOLIA were determined using the pouch granuloma method in mice. Though alkaloids, fatty acids, essential oils, and lignans had no anti-inflammatory effects, neolignans (magnoshinin and magnosalin)

A new neolignan and lignans from the stems of Lindera obtusiloba Blume and their anti-allergic inflammatory effects.

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A new neolignan, linderin A (1), together with six known lignans, (+)-xanthoxyol (2), pluviatilol (3), actiforin (4), (+)-syringaresinol (5), (+)-(7S,8R,8'R)-acuminatolide (6), and (+)-9'-O-trans-feruloyl-5,5'-dimethoxylariciresinol (7) were isolated from the stems of Lindera obtusiloba Blume

Anti-inflammatory neolignans from Epimedium pseudowushanese.

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One new 8-O-4' neolignan has been isolated from Epimedium pseudowushanese B. L. Guo, together with nine other known neolignans. The structures of these neolignans were elucidated using spectroscopic and chemical techniques, and their anti-inflammatory activities were also evaluated. The results of

Antioxidant and anti-inflammatory active dihydrobenzofuran neolignans from the seeds of Prunus tomentosa.

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Prunus tomentosa seeds were researched for antioxidant and anti-inflammatory constituents. By activity-guided fractionation of P. tomentosa seed extract, six new dihydrobenzofuran neolignans, prunustosanans AI-IV (1-4) and prunustosanansides AI and AII (5 and 6), together with 10 known compounds

New sesquiterpene lactone and neolignan glycosides with antioxidant and anti-inflammatory activities from the fruits of Illicium oligandrum.

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Phytochemical investigations of the fruits of Illicium oligandrum resulted in a new sesquiterpene lactone, 3 beta-benzoyloxy-10-deoxyfloridanolide (1), and three new neolignan glycosides, including two dihydrobenzofuran neolignan glycosides, (7 R,8 S)-9-O-beta-D-xylopyranosyl-9'-O-alpha-

Neolignan glycosides from Spiraea salicifolia and their inhibitory activity on pro-inflammatory cytokine interleukin-6 production in lipopolysaccharide-stimulated RAW 264.7 cells.

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Phytochemical investigation of the ethanol extract from the roots of Spiraea salicifolia L. (Rosaceae) led to the isolation of one new neolignan glycoside, (7S,8R)-3,5-dimethoxy-4',7-epoxy-8,5'-neolignan-3',4,9,9'-tetraol 9-O-α-L-rhamnopyranoside (1), along with two known neolignan glycosides,

Anti-inflammatory neolignans from Piper kadsura.

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Two new neolignans, piperkadsin A (1) and piperkadsin B (2), as well as 11 known neolignans, three known alkaloids, the highly oxygenated compound (+)-crotepoxide, and stigmasterol were isolated from the stems of Piper kadsura. The anti-inflammatory activities of these compounds were evaluated.

Comparative analysis of stilbene and benzofuran neolignan derivatives as acetylcholinesterase inhibitors with neuroprotective and anti-inflammatory activities.

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Stilbenes and benzofuran neolignans are important groups of plant phenolics therefore they play a significant role in plants and human health. The objective of this study was to investigate the structure-activity relationships of naturally occurring stilbene and benzofuran neolignan derivatives as

Neolignans, a coumarinolignan, lignan derivatives, and a chromene: anti-inflammatory constituents from Zanthoxylum avicennae.

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Eight new compounds, including four new neolignans, (7' S,8' S)-bilagrewin ( 1), (7' S,8' S)-5-demethoxybilagrewin ( 2), (7' S,8' S)-5- O-demethyl-4'- O-methylbilagrewin ( 3), and (7' S,8' S)-nocomtal ( 4), a new coumarinolignan, (7' S,8' S)-4'- O-methylcleomiscosin D ( 5), two new lignan

Sassarandainol: a new neolignan and anti-inflammatory constituents from the stem of Sassafras randaiense.

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A new neolignan, (R)-( - )-sassarandainol (1), together with 10 known compounds (2-11), was isolated from the stem of Sassafras randaiense. The structures were determined by spectroscopic techniques. Among these isolates, γ-tocopherol (5), subamolide B (7) and β-sitosterone (9) exhibited moderate

Biphenyl-Type Neolignan Derivatives from the Twigs of Magnolia denudata and Their Anti-Inflammatory Activity.

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Two new biphenyl-type neolignan derivatives, 2-[2-(hydroxymethyl)-1-benzofuran-5-yl]-4-(prop-2-en-1-yl)phenol (1) and 2'-ethoxy-5,5'-di(prop-2-en-1-yl)biphenyl-2-ol (2), were isolated from the twigs of Magnolia denudata, together with six known compounds (3-8). The structures of 1 and 2 were

Lignans and neolignans from the stems of Vibrunum erosum and their neuroprotective and anti-inflammatory activity.

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A new lignan, (7'S,8S,8'S)-3,5'-dimethoxy-3',4,9'-trihydroxy-7',9-epoxy-8,8'-lignan, named vibruresinol (1), was isolated from the stems of Viburnum erosum by silica gel, ODS, and Sephadex LH-20 column chromatography. In addition, four other known lignans,

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