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《Journal of ethnopharmacology》1997,56(1):61-66
The roots of Boerhaavia diffusa L., commonly known as ‘Punarnava’, are used by a large number of tribes in India for the treatment of various hepatic disorders. In the present study the effect of seasons, thickness of roots and form of dose (either aqueous or powder) were studied for their hepatoprotective action to prove the claims made by the different tribes of India. The hepatoprotective activity of roots of different diameters collected in three seasons, rainy, summer and winter, was examined in thioacetamide intoxicated rats. The results showed that an aqueous extract (2 ml/kg) of roots of diameter 1–3 cm, collected in the month of May (Summer), exhibited marked protection of a majority of serum parameters, i.e. GOT, GPT, ACP and ALP, but not GLDH and bilirubin, thereby suggesting the proper size and time of collection of B. diffusa L. roots for the most desirable results. Further, the studies also proved that the aqueous form of drug (2 ml/kg) administration has more hepatoprotective activity than the powder form; this is probably due to the better absorbtion of the liquid form through the intestinal tract. 相似文献
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Baelmans R Deharo E Bourdy G Muñoz V Quenevo C Sauvain M Ginsburg H 《Journal of ethnopharmacology》2000,73(1-2):271-275
The search for new antimalarial agents in plant crude extracts using traditional screening tests is time-consuming and expensive. New in vitro alternative techniques, based on specific metabolic or enzymatic process, have recently been developed to circumvent testing of antimalarial activity in parasite culture. The haem polymerisation inhibition test (HPIA) was proposed as a possible routine in vitro assay for the detection of antimalarial activity in natural products. A total of 178 plant extracts from the Pharmacopeia of the Bolivian ethnia Tacana, were screened for their ability to inhibit the polymerisation of haematin. Five extracts from Aloysia virgata (Ruíz & Pavón) A.L. Jussieu (Verbenaceae), Bixa orellana L. (Bixaceae), Caesalpinia pluviosa D.C. (Caesalpiniaceae), Mascagnia stannea (Griseb) Nied. (Malpighiaceae) and Trichilia pleenea (Adr. Jussieu) (Meliaceae) demonstrated more than 70% inhibition of haematin polymerisation at 2.5 mg/ml. The extracts were also tested for antimalarial activity in culture against F32 strain (chloroquine-sensitive) and D2 strain (chloroquine-resistant) of Plasmodium falciparum and in vivo against P. berghei. The extract from Caesalpinia pluviosa was the only one that showed activity in HPIA and in the classical test in culture. The accuracy and pertinence of HPIA, applied to natural products is discussed. 相似文献
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砂仁植株中氮磷钾的含量,以钾所占比例最大,其次为氮,磷最少。因此施肥时不要滥施氮肥,适当增施钾肥,使植物体营养平衡,发育正常,以取得高 相似文献
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<正> T.E.M.即三乙烯代三聚腈胺(Triethylene melamine)和Thio-T.E.P.A.即硫代三乙烯磷胺(Triethylene thiophosphoramide)在抗癌药中被认为是毒性小反应輕的药物,对于卵巢癌、乳癌与腦癌,据报疗效良好,对于霍金氏病与慢性白血球病亦称有效,特别是T.E.M.可以制为片剂使用或針剂使用,临床較便。我厂在1958年四季度与上海化工部合成药物研究所合作,投入生产,采取路线如下: 1.T.E.M.的合成路线: 相似文献
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W.F.A.S.secretariat 《世界针灸杂志》2006,16(1):25-25
Time: November 24th to 26th, 2006 Place: Bali, Indonesia Theme: The Present Situation and Prospects of Acupuncture Sponsor: W. F. A. S. (World Federation of Acupuncture and Moxibustion Societies) Undertaken by: The National Acupuncture Union of Indonesia 相似文献
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在药品的卫生标准中,对于非灭菌药品的细菌总数,均作了限度规定。国家制定的检验细菌总数的方法比较复杂,结果的判断也较麻烦。活菌的氯化三苯四氮唑(T.T.C.)实验,方法简便,结果比较准确,能为药品中所含细菌是否超过规定提供科学依据。本文说明T.T.C.实验的原理、实验方法以及注意要点。为药品细菌总数的快速检验提供参考。 相似文献