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目的分析经口给予槲皮素后大鼠门静脉血槲皮素及其代谢产物。方法健康雄性Wistar大鼠按40mg/kg剂量经口给予槲皮素1.0小时后采集门静脉血液制备血浆,采用高效液相-质谱联用的方法进行分析。结果槲皮素处理大鼠门静脉血中可以检测到一定浓度的槲皮素以及异鼠李素、怪柳黄素、槲皮素硫酸酯、槲皮素-3-葡萄糖醛酸、槲皮素葡萄糖醛酸化硫酸酯。结论经口给予槲皮素经肠吸收代谢后以多种形式进入体内。
Objective To analyze the quercetin and its metabolites in rat portal vein after oral administration of quercetin. Methods Healthy male Wistar rats were dosed orally with Quercetin 40mg / kg for 1.0 hour to collect plasma of portal vein and analyzed by high performance liquid chromatography-mass spectrometry. Results Quercetin treatment of rat portal vein blood can be detected in a certain concentration of quercetin and isorhamnetin, nomazan, quercetin sulfate, quercetin -3-- glucuronic acid, quercetin glucose Aldehyde acid sulfate. Conclusion Oral administration of quercetin after intestinal absorption and metabolism in various forms into the body.