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  • Title: Molluscicidal activity of Punica granatum bark and Canna indica root.
    Author: Tripathi SM, Singh DK.
    Journal: Braz J Med Biol Res; 2000 Nov; 33(11):1351-5. PubMed ID: 11050667.
    Abstract:
    The molluscicidal activity of Punica granatum Linn. (Punicaceae) and Canna indica Linn. (Cannaceae) against the snail Lymnaea acuminata was studied. The molluscicidal activity of P. granatum bark and C. indica root was found to be both time and dose dependent. The toxicity of P. granatum bark was more pronounced than that of C. indica. The 24 h LC(50) of the column-purified root of C. indica was 6.54 mg/l whereas that of the column-purified bark of P. granatum was 4.39 mg/l. The ethanol extract of P. granatum (24 h LC(50): 22.42 mg/l) was more effective than the ethanol extract of C. indica (24 h LC(50): 55.65 mg/l) in killing the test animals. P. granatum and C. indica may be used as potent molluscicides since the concentrations used to kill the snails were not toxic for the fish Colisa fasciatus, which shares the same habitat with the snail L. acuminata.
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