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New triacetic acid lactone glycosides from the fruits of Forsythia suspensa and their nitric oxide production inhibitory activity

机译:来自连翘植物果实的新型三乙酸内酯糖苷及其一氧化氮生产抑制活性

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摘要

Three new triacetic acid lactone (TAL) glycosides, forsyphensides A-C (1-3) were isolated from the fruits of Forsythia suspensa. Their structures were elucidated by comprehensive spectroscopic techniques. The absolute configurations of their monosaccharides were determined by GC analysis. Notably, forsyphensides A-C were relatively rare TAL glycosides identified from plants. Compound 1 exhibited inhibitory activity against the lipopolysaccharide (LPS)-induced nitric oxide (NO) production in microglia BV2 cells with the inhibition rate of 69.40%.
机译:三种新的三转基因酸内酯(TAL)糖苷,从连翘悬浮症的果实中分离出A-C(1-3)。 通过全面的光谱技术阐明了它们的结构。 通过GC分析确定它们的单糖的绝对构型。 值得注意的是,从植物中鉴定出血液蛋白酶A-C是相对罕见的糖苷。 化合物1表现出抗脂多糖(LPS)的抑制活性 - 诱导的氧化氮(NO)在微胶质细胞BV2细胞中产生,抑制率为69.40%。

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