08 Dec 2010
Erythrina plants (Leguminosae) were used as traditional antifertility agents. In the continuing research for novel plant with antifertility capacity from Indonesian plants, the methanol extract of Erythrina plants showed significant antifertility activity in an in vitro assay of spermatozoa of white rat (R. norvegicus). The methanol extract was separated using bioassay-guide n-hexane, ethylacetate, and n-buthanol fractionation. The ethylacetate fraction was tested in vitro on spermatozoa of white rat (R. norvegicus) at a concentration of 0.25 x 10-3 μg/μL. It showed a decrease of their motilities and viabilities, as well as an increasing abnormality of the spermatozoa.
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