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Three new iridoids from leaves of Cornus officinalis.
Three new iridoids, cornifins A-C (1-3), together with a known iridoid, were obtained from EtOAc layer of leaves of Cornus officinalis. The structures of new compounds were elucidated on the basis of extensive spectroscopic analyses. Compound 2 showed weak inhibitory activity against lung cancer cell line A-549 with IC50 value of 29.1 μM.
💬 論文と壁打ち β 残り 3 / 3 回 (今日)Abstract の内容だけを根拠に答えます。医療助言はしません。abstract に無い事実は「記載なし」と返します。質問例: 「要点を3つ教えて」「結論の限界は?」「N数と統計手法は?」「反論できる可能性は?」
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A new seco-iridoid glycoside from fruits of Cornus officinalis Sieb. et Zucc and their neuroprotective activities.
A new seco-iridoid glycoside, named neocornuside I (1), together with seven previously reported compounds (2-8) were isolated from fruits of Cornus officinalis Sieb. et Zucc. Their structures were determined by extensive analysis of HRESIMS, IR, UV, 1D and 2D NMR spectral data. The isolated compounds (1-8) were evaluated for their in vitro neuroprotective activities. Based on flow cytometry result…
💬 論文と壁打ち β 残り 3 / 3 回 (今日)Abstract の内容だけを根拠に答えます。医療助言はしません。abstract に無い事実は「記載なし」と返します。質問例: 「要点を3つ教えて」「結論の限界は?」「N数と統計手法は?」「反論できる可能性は?」
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The effects of corni fructus extract and its fractions against α-glucosidase inhibitory activities in vitro and sucrose tolerance in normal rats.
Corni fructus (Cornus officinalis Sieb. et Zucc.) is a traditional medicine exerting multifaceted protective effects against diabetes and its complications. In this study, to further identify the physiological effects of corni fructus against diabetes and its complications, we investigated α-glucosidase inhibitory activities in vitro and employed the sucrose tolerance test as an indicator of the c…
💬 論文と壁打ち β 残り 3 / 3 回 (今日)Abstract の内容だけを根拠に答えます。医療助言はしません。abstract に無い事実は「記載なし」と返します。質問例: 「要点を3つ教えて」「結論の限界は?」「N数と統計手法は?」「反論できる可能性は?」
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Cornuside suppresses cytokine-induced proinflammatory and adhesion molecules in the human umbilical vein endothelial cells.
Cornuside is a bisiridoid glucoside compound isolated from the fruit of Cornus officinalis SIEB. et ZUCC. The present study was designed to examine the effects of cornuside on expression levels of cytokine-induced proinflammatory and adhesion molecules in the human umbilical vein endothelial cells (HUVECs). Cornuside treatment attenuated tumor necrosis factor-alpha (TNF-alpha)-induced nuclear fact…
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Cornusglucosides A and B, Two New Iridoid Glucosides from the Fruit of Cornus officinalis.
Phytochemical study on the fruit of Cornus officinalis Sieb. et Zucc. yielded two new iridoid glucosides, named cornusglucoside A (1) and cornusglucoside B (2). The structures of 1 and 2 were elucidated via comprehensive NMR and HR-ESI-MS data analysis. Additionally, their inhibitory effects on IL-6-induced STAT3 activation were assessed.
💬 論文と壁打ち β 残り 3 / 3 回 (今日)Abstract の内容だけを根拠に答えます。医療助言はしません。abstract に無い事実は「記載なし」と返します。質問例: 「要点を3つ教えて」「結論の限界は?」「N数と統計手法は?」「反論できる可能性は?」
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Secoiridoid glycosides from the fruits of Cornus officinalis.
Five new secoiridoid glycosides, cornusphenosides E-I (1-5), were isolated and characterized from an active fraction of ethanol extract of the fruits of Cornus officinalis. Their structures were determined by extensive spectroscopic data analysis, including 2 D NMR and HRESIMS experiments. In the preliminary assay, compound 5 (when evaluated at 10 μM) showed the neuroprotective effect against H2O2…
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New Iridoid Derivatives from the Fruits of Cornus officinalis and Their Neuroprotective Activities.
Three previously undescribed iridoids, cornusfurals A⁻C, were isolated from the ethanolic extracts of fruits of Cornus officinalis. Their structures were elucidated by spectroscopic methods, including one-dimensional and two-dimensional nuclear magnetic resonance, ultraviolet spectroscopy, infrared spectroscopy, and mass spectrometry. The neuroprotective activity was evaluated by measuring cortico…
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Unusual cadinane-type sesquiterpene glycosides with α-glucosidase inhibitory activities from the fruit of Cornus officinalis Sieb. et Zuuc.
Five novel and rare cadinane-type sesquiterpene glycosides, cornucadinoside A-E (1-5) were isolated from water extract of the fruit of Cornus officinalis Sieb. et Zuuc.. The new chemical structures, together with their absolute configurations, were elucidated on the basis of extensive spectroscopic analysis, including a comparison of their experimental and calculated electronic circular dichroism …
💬 論文と壁打ち β 残り 3 / 3 回 (今日)Abstract の内容だけを根拠に答えます。医療助言はしません。abstract に無い事実は「記載なし」と返します。質問例: 「要点を3つ教えて」「結論の限界は?」「N数と統計手法は?」「反論できる可能性は?」
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[Observations on the biological characteristics of Cornus officinalis].
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[Study on plant tissue culture of Cornus officinalis].
To set up the optimums of tissue culture for Cornus officinalis. A section of stems of the fine varieties of Cornus officinalis were strictly sterilized, cultivated and geminated in medium with addition of different kinds of hormone. The WPM medium with 6-BA 2.0 mg.L-1 + ZT 0.1 mg.L-1 + NAA 0.1 mg.L-1 was the optimum medium for the multiplication of adventitious buds. The WPM medium with 6-BA 1.0 …
💬 論文と壁打ち β 残り 3 / 3 回 (今日)Abstract の内容だけを根拠に答えます。医療助言はしません。abstract に無い事実は「記載なし」と返します。質問例: 「要点を3つ教えて」「結論の限界は?」「N数と統計手法は?」「反論できる可能性は?」