Nath Purobi, Yadav Arun K
Department of Zoology, North-Eastern Hill University, Shillong, 793022 India.
J Parasit Dis. 2016 Dec;40(4):1261-1265. doi: 10.1007/s12639-015-0664-2. Epub 2015 Feb 15.
The aim of this study was to investigate the in vitro and in vivo anticestodal effects of methanol extract of - L. (Malvaceae) leaf against (Rudolphi, 1819), a zoonotic tapeworm. Under the in vitro study, worms were exposed to 10, 20 and 40 mg/ml concentrations of methanol leaf extract and the effects were judged on the basis of physical motility/mortality of worms. On the other hand, in the case of in vivo study, infected rats were treated individually with 200, 400 and 800 mg/kg doses of leaf extract for 5 days. The effects were judged on the basis of reduction in eggs per gram (EPG) of faeces and worm counts. In case of in vitro test, the treatment with 40 mg/ml concentration of extract revealed prominent anticestodal effect and caused paralysis of worms in 3.00 ± 0.53 h and mortality in 4.08 ± 0.21 h. However, under in vivo study, the 800 mg/kg dose of extract revealed the highest anticestodal effect and caused 66.55 % reduction in EPG count and 75.00 % reduction in worm count in the treated animals. The results of this study indicated that - leaf extract possesses concentration-dependent anticestodal effect against , indicating that the plant possesses promising active principle for the control of intestinal helminthic infections.
本研究旨在调查锦葵科某植物叶的甲醇提取物对人兽共患绦虫——西里伯瑞列绦虫(Rudolphi,1819)的体内外抗绦虫效果。在体外研究中,将绦虫暴露于浓度为10、20和40毫克/毫升的甲醇叶提取物中,并根据绦虫的身体活动能力/死亡率来判断效果。另一方面,在体内研究中,对感染绦虫的大鼠分别用200、400和800毫克/千克剂量的叶提取物治疗5天。根据粪便中每克虫卵数(EPG)的减少和虫体计数来判断效果。在体外试验中,用40毫克/毫升浓度的提取物处理显示出显著的抗绦虫效果,在3.00±0.53小时内导致绦虫麻痹,在4.08±0.21小时内导致死亡。然而,在体内研究中,800毫克/千克剂量的提取物显示出最高的抗绦虫效果,使治疗动物的EPG计数减少66.55%,虫体计数减少75.00%。本研究结果表明,该植物叶提取物对西里伯瑞列绦虫具有浓度依赖性抗绦虫效果,表明该植物具有控制肠道蠕虫感染的有前景的活性成分。