[Objectives]To explore the difference of purgative effect of Mongolian medicine Euphorbia pekinensis and Pharbitidis Semen(black)by animal experiment,taking Euphorbia pekinensis and Pharbitidis Semen(black)as the rese...[Objectives]To explore the difference of purgative effect of Mongolian medicine Euphorbia pekinensis and Pharbitidis Semen(black)by animal experiment,taking Euphorbia pekinensis and Pharbitidis Semen(black)as the research object.[Methods]Sixty Kunming mice were randomly divided into blank group(n=20),Euphorbia pekinensis group(n=20)and Pharbitidis Semen(black)group(n=20).After fasted but provided with free acess to drinking water for 3 d,the mice were intragastrically administered with drinking water,Euphorbia pekinensis test solution and Pharbitidis Semen(black)test solution,respectively.The mice were then placed separately in a mouse cage covered with filter paper for purgation test and intestinal propulsion test.[Results]The time of the first purgation in the Euphorbia pekinensis group and the Pharbitidis Semen(black)group was longer than that in the blank group(P<0.05).The total times of purgation and defecation within 5 h in the Euphorbia pekinensis group and the Pharbitidis Semen(black)group were higher than those in the blank group(P<0.05);the purgation index and intestinal propulsion rate in the Euphorbia pekinensis group and the Pharbitidis Semen(black)group were higher than those in the blank group(P<0.05).[Conclusions]The Mongolian medicine Euphorbia pekinensis was similar to Pharbitidis Semen(black)in purgation test and intestinal propulsion test,and could play a substitute role.展开更多
文摘[Objectives]To explore the difference of purgative effect of Mongolian medicine Euphorbia pekinensis and Pharbitidis Semen(black)by animal experiment,taking Euphorbia pekinensis and Pharbitidis Semen(black)as the research object.[Methods]Sixty Kunming mice were randomly divided into blank group(n=20),Euphorbia pekinensis group(n=20)and Pharbitidis Semen(black)group(n=20).After fasted but provided with free acess to drinking water for 3 d,the mice were intragastrically administered with drinking water,Euphorbia pekinensis test solution and Pharbitidis Semen(black)test solution,respectively.The mice were then placed separately in a mouse cage covered with filter paper for purgation test and intestinal propulsion test.[Results]The time of the first purgation in the Euphorbia pekinensis group and the Pharbitidis Semen(black)group was longer than that in the blank group(P<0.05).The total times of purgation and defecation within 5 h in the Euphorbia pekinensis group and the Pharbitidis Semen(black)group were higher than those in the blank group(P<0.05);the purgation index and intestinal propulsion rate in the Euphorbia pekinensis group and the Pharbitidis Semen(black)group were higher than those in the blank group(P<0.05).[Conclusions]The Mongolian medicine Euphorbia pekinensis was similar to Pharbitidis Semen(black)in purgation test and intestinal propulsion test,and could play a substitute role.
文摘对黑龙江省成熟大白菜〔Brassica pekinensis(Lour.)Rupr.〕生产田采集的软腐病菌进行分离、纯化,并根据形态学特征分析了大白菜软腐病菌的种群组成。结果表明,引起黑龙江省秋季大白菜软腐病的主要致病菌是胡萝卜软腐欧文氏菌胡萝卜软腐亚种〔Erwinia carotovora(Jones)Bergey et al.subsp.carotovora〕(Ecc);利用20个Ecc菌株的混合菌对来源于不同生态型及不同地区的大白菜品种进行接种,筛选出5个鉴别寄主,以此将20个Ecc菌株划分为5个致病力类型,其中V型为优势致病菌,其分布广且致病力强。