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Parasitol Res. 2012 Mar;110(3):1097-102. doi: 10.1007/s00436-011-2594-y. Epub 2011 Aug 19.

Anthelmintic effect of a methanol extract of Bombax malabaricum leaves on Paramphistomum explanatum.

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1
Pharmacy College, Itaura, Chandeshwar, Azamgarh, 276128, Uttar Pradesh, India. hossainemdad@yahoo.com

Abstract

Bombax malabaricum (family Bombacaceae) is used as anthelmintic in traditional system of medicine in Southern Punjab of Pakistan. The objective of this study was to evaluate the anthelmintic activity of the methanol extract of B. malabaricum leaves (MEBM). Live parasites (trematode: Paramphistomum explanatum) were collected from buffalo in 0.9% phosphate-buffered saline. It was incubated in Petri dishes at 37 ± 1°C in media containing either no extract (control) or MEBM, the test drug at 10, 25, 50, and 100 mg/ml dose level or albendazole, the standard drug at 10 mg/ml. The efficacy of the extract or albendazole was measured on the basis of the loss of spontaneous movement and/or death of the trematodes. Paralysis was considered when there is no movement unless shaken vigorously. Death was confirmed when the trematodes completely lost their motility, even when vigorously shaken or dipped in warm water (50°C), followed by fading away of their body color. The trematodes, both drug treated and others, were further processed for SEM study using the standard method. All trematodes died with all the above-mentioned doses of MEBM within a short period of time (less than 45 min) which was statistically highly significant (p < 0.001). MEBM at 100 mg/ml showed maximum efficacy. It paralyzed and killed trematodes in 18.50 ± 0.62 and 22.17 ± 0.48 min, respectively. SEM study showed that MEBM-treated trematodes were stretched. The study established the anthelmintic activity of MEBM.

PMID:
21853226
DOI:
10.1007/s00436-011-2594-y
[Indexed for MEDLINE]
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