Nilotin [1], a new limonoid, has been isolated from the rootbark of Turraea nilotica and its structure established by spectroscopic methods. It displayed significant activity as an antifeedant against larvae of the Colorado potato beetle, Leptinotarsa decemlineata.
From the rootbark of Turraea mombasana, two new limonoids, 1 and 2, of the prieurianin class have been isolated and their structures established by spectroscopic means.
