Abstract
The Larvicidal Activity of Methanol extract and fractions of Myristica fragrans (Myristicaceae) was evaluated on larvae of Anopheles gambiae. The seeds were macerated in 100% redistilled n-hexane for 24 hours to extract the oil, then in 100% redistilled methanol for 72hours, filtered and concentrated to dryness. The methanol crude extract of M. fragrans seeds exhibited % mortalities range of 30.00 + 0.00 -100+0.00 and LC50 of 0.02 mg/mL. N-hexane fraction of M. fragrans seeds was equally as active fraction with % mortalities range of 25+ 1.00-100+0.00 and LC50 of 0.02mg/mL. The reference compound Nicotine had %mortality range of 15.00+ 0.00 – 100.00+0.00 with LC50 of 0.04mg/mL.
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