From the bark of Guarea carinata was isolated as main constituent a diacetilated triterpen (I) of protolimonoids type, derived from apo-tirucalol, that showed antifeedant activity in biological control of Urbanus acawoios (Lepidoptera,Hesperiidae).
Meliaceae; Guarea carinata; limonoids; triterpen; Uranus acawoios; Clitoria racemosa