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Hypoglycaemic activity of Gentiana olivieri and isolation of the active constituent through bioassay-directed fractionation techniques.

机译:龙胆龙胆的降血糖活性和通过生物测定指导的分离技术分离活性成分。

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摘要

Hypoglycemic effect of Gentiana olivieri Griseb. (Gentianaceae) flowering herbs on oral administration were studied using in vivo models in normal, glucose-hyperglycemic and streptozotocin-induced diabetic rats. Through in vivo bioassay-guided fractionation processes isoorientin, a known C-glycosylflavone, was isolated from the ethylacetate fraction by silica gel column chromatography as the main active ingredient from the plant. Isoorientin exhibited significant hypoglycemic and antihyperlipidemic effects at 15 mg/kg b.w.dose. Isoorientin concentration of the extracts and fractions were determined by HPLC in order to establish a correlation between the hypoglycaemic activity.
机译:龙胆龙胆的降血糖作用。在正常,葡萄糖-高血糖和链脲佐菌素诱导的糖尿病大鼠中,使用体内模型研究了(龙胆科)开花草药口服。通过体内生物测定指导的分级分离过程,通过硅胶柱色谱法从乙酸乙酯级分中分离出一种已知的C-糖基黄酮异东ient素,作为植物的主要活性成分。异Orientin在15 mg / kg体重的剂量下显示出明显的降血糖和降血脂作用。为了确定降血糖活性之间的相关性,通过HPLC确定提取物和级分中异东方素的浓度。

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