Azadirachta indica, commonly referred to as Neem, nimtree or Indian lilac, is a tree in the mahogany circle of relatives Meliaceae. It is one in every of species in the genus Azadirachta, and is local to the Indian subcontinent. Its culmination and seeds are the source of neem oil

Undiluted neem oil was determined to possess robust spermicidal action (within 30s) towards rhesus monkey and human spermatozoa in vitro. Whereas three mg of neem leaf extract, when handled with human sperma- tozoa, kills 100% of sperm within.....
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