From: Transmission blocking activity of a standardized neem (Azadirachta indica) seed extract on the rodent malaria parasite Plasmodium berghei in its vector Anopheles stephensi
azadirachtin A
34%
other azadirachtins (azadirachtin B to K)
16%
salannins
4%
nimbins
2%
Total limonoids
56%