Molluscicidal activity of the Saharian Medicinal Plants Limoniastrum feei and Launaea nudicaulis against the fresh water snail Lymnaea stagnalis
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2015, Vol 7, Issue 6
Abstract
In South Algeria, some of the plant species investigated in the present study is used in popular medicine to treat different diseases. In this paper, we present the screening of two species medicinal plants against Lymnaea stagnalis snails to finding molluscicidal plant extracts. A preliminary screen to detect extracts with molluscicidal activity was run using a simple bioassay according to WHO recommended the methodology. The molluscicidal activity of aqueous extract of Launaea nudicaulis and Limoniastrum feei against the snail Lymnaea stagnalis was studied. The molluscicidal activity of all the plant products was found to be both time and concentration dependent. The 72 h LC50 of Limoniastrum feei stem against L. stagnalis was 26,8 µg/ml, extraction by maceration were more toxic than Launaea nudicaulis by reflux extraction, that was 37,27 µg/ml. The 48 h LC50 of Limoniastrum feei stem and Launaea nudicaulis was 34,39 and 75,51 µg/ml, respectively. Thus, the highest molluscicidal activity, followed by Limoniastrum feei stem, whole Launaea nudicaulis (aerial part) and Limoniastrum feei leaves against Lymnaea stagnalis. This preliminary study on the screening and biological evaluation of Saharan medicinal plants could offer possible alternative for sustainable and affordable use.
Authors and Affiliations
Lineda Dahane Rouissat, Abdelkrim Cheriti, Abbderazak Marouf, H. Reddy Kandappa, Govender Patrick
Keywords
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