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目的研究芸香苷(Rutoside,Ru)对大鼠急性胰腺炎(Acute Pancreatitis,AP)胰腺毛细血管通透性的影响。方法wistar大鼠48只,随机分为6组,每组8只,分别建立大鼠假手术(SO)、急性胰腺炎(AP)、芸香苷(Ru)高、中、低剂量及丹参(DS)组,在制模后3、6h经下腔静脉取血,测定血清淀粉酶含量和磷脂酶A2活性。切取胰腺标本组织,对胰腺组织进行病理检查和胰腺微血管通透性测定。结果术后6h,各组大鼠胰腺毛细血管通透性分别为:SO组(89.10±26.02)、AP组(405.25±234.48)、Ru高剂量组(132.79±56.72)、Ru中剂量组(203.83±89.06)、Ru低剂量组(263.84±113.02)、DS组(191.22±77.05)。各组间比较,6hRu高剂量和中剂量组胰腺毛细血管通透性低于AP组(P〈0.01)。结论Ru能明显降低AP大鼠胰腺毛细血管通透性,减轻胰腺组织病理性损害。 相似文献
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目的 :观察芸香苷 (Ru)与银杏叶提取物 (GBE)对大鼠胃溃疡的治疗作用。方法 :制备乙酸烧灼型溃疡模型 ,测量大鼠胃溃疡体积及组织病理学检查 ,并观察 Ru和 GBE对胃液量 ,胃酸 ,胃蛋白酶活性的影响。结果 :Ru(5 ,10 m g.kg- 1 )和 GBE(2 5 ,5 0 mg.kg- 1 )造模后给药 ,可明显减小溃疡体积 ,组织病理学变化较轻 ,且对大鼠胃液量 ,胃液酸度和胃蛋白酶活性无明显影响。结论 :Ru和 GBE对大鼠胃溃疡有明显的治疗作用 相似文献
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Anthony Akinloye Bamigboye George Justus Hofmeyr 《European journal of obstetrics, gynecology, and reproductive biology》2006
Leg oedema from venous insufficiency is not dangerous but it can cause women symptoms such as pain, feelings of heaviness, night cramps and paraesthesiae. Leg oedema can be a sign of pre-eclampsia when associated with raised blood pressure or proteinuria. The objective of this review was to assess the effects of treatment to relieve the symptoms associated with varicosity in pregnancy and to reduce leg oedema. We searched the Cochrane Pregnancy and Childbirth Group trials register in October 2004 for randomised trials of any form of treatment for varicosity and or leg oedema in pregnancy. Trial quality was assessed and data were extracted. Four trials of three different treatments were included. In one trial, women given rutoside capsules in the last 3 months of pregnancy noted an improvement in symptoms compared with placebo (relative risk 0.54 95% CI 0.32, 0.89). They had a decrease in ankle circumference at 36 weeks’ gestation after 8 weeks of treatment, while women given placebo had a small increase. In one trial, women with ankle oedema had a small non-significant reduction in lower leg volume when treated with external pneumatic intermittent compression for 30 min. In another trial compression stockings prophylactically reduced the emergence of leg symptoms but not venous varicosities (relative risk 0.74 95% CI 0.59, 0.93). Lymphatic reflexology was studied in too few women to draw conclusions. In conclusions, rutosides appear to relieve symptoms of venous insufficiency in late pregnancy. However, it is not known if the drug is safe in pregnancy. External pneumatic compression appears to reduce ankle swelling and compression stockings reduce leg symptoms but not varicose veins. 相似文献
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反相高效液相色谱法测定不同地区不同采集期桑叶中芸香苷的含量 总被引:2,自引:0,他引:2
目的采用反相高效液相色谱(RP-HPLC)法测定不同地区、不同采集期桑叶中芸香苷的含量。方法色谱柱为YMC-pack ODS-A(4.6 mm×250 mm,5μm),2.5%醋酸-甲醇-乙腈(35∶5∶10)为流动相,流速为0.8 m.lm in-1,柱温为35℃,紫外检测波长为355 nm。结果芸香苷在(0.15~1.59μg)具有良好的线性关系,r=0.999 9,平均回收率为98.62%,RSD1.75%(n=5)。结论该方法简便快捷、精密度高、结果准确。 相似文献
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枸杞子芦丁微波提取-高效液相含量测定法研究 总被引:1,自引:0,他引:1
目的建立一种微波提取一反相高效液相测定枸杞子芦丁含量的方法。方法色谱条件:Dikma Kromasil C18色谱柱(4.6mm×200mm,5μm),以甲醇-0.3%磷酸(37:63)为流动相,采用等度洗脱的方式,流速为1ml·min^-1,检测波长为257mm,柱温为25℃,进样量为5脚;用回流提取、超声提取、微波提取三种方法前处理样品,考察它们对枸杞芦丁含量测定的影响:对枸杞芦丁微波提取-反相高效液相色谱含量测定方法进行了方法学考察。结果芦丁的线性范围为0.004—0.11mg/ml(相关系数为0.9998)。平均回收率(n=5)为101.48%,不同产地枸杞子样品中的芦丁含量存在着较大的差异,真伪枸杞子样品中的芦丁含量存在着极大的差异。结论该方法准确可靠,重现性好,适用于测定枸杞子中芦丁的含量,为枸杞子的质量标准研究提供了实验数据。 相似文献
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目的:测定排石冲剂中总黄酮的含量.方法:用70%乙醇提取并制成供试品,采用分光光度法测定.结果:平均回收率为98.28%,RSD=2.13%.3批排石冲剂样品中总黄酮的含量分别为1.448,1.403,1.427(mg·g-1).结论:本方法简便、准确、灵敏度高,可作为该制剂的质量控制方法. 相似文献
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目的:研究芸香苷(Ru)对大鼠急性胰腺炎模型(AP)血浆血栓素B(2TXB2)与6-酮基-前列腺素F1α(6-keto-PGF1α)及胰腺组织一氧化氮(NO)的影响。方法:SD大鼠48只,随机分为假手术、模型、丹参及Ru高、中、低剂量组。以牛磺胆酸钠溶液复制大鼠急性胰腺炎模型,测定各组大鼠血浆TXB2/6-keto-PGF1α值、酶学及胰腺组织NO,并做病理检查。结果:Ru能够有效降低AP模型大鼠血浆TXB2/6-keto-PGF1α值,降低胰腺组织的NO含量,减轻胰腺组织水肿、坏死炎症及空泡形成,明显改善胰腺的病理组织学变化。结论:Ru对胰腺组织有一定的保护作用。 相似文献
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目的建立一种微波提取-反相高效液相测定枸杞子芦丁含量的方法。方法色谱条件:Dikma Kromasil C18色谱柱(4.6mm×200mm,5μm),以甲醇-0.3%磷酸(37∶63)为流动相,采用等度洗脱的方式,流速为1ml.min-1,检测波长为257nm,柱温为25℃,进样量为5μl;用回流提取、超声提取、微波提取三种方法前处理样品,考察它们对枸杞芦丁含量测定的影响;对枸杞芦丁微波提取-反相高效液相色谱含量测定方法进行了方法学考察。结果芦丁的线性范围为0.004~0.11mg/ml(相关系数为0.9998),平均回收率(n=5)为101.48%,不同产地枸杞子样品中的芦丁含量存在着较大的差异,真伪枸杞子样品中的芦丁含量存在着极大的差异。结论该方法准确可靠,重现性好,适用于测定枸杞子中芦丁的含量,为枸杞子的质量标准研究提供了实验数据。 相似文献
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