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In the present study, the essential oil (EO) of  Annona exsucca  DC. or  Rollinia exsucca  was extracted by hydrodistillation, and the identification and quantification of volatile compounds were performed by GC-MS and GC-FID.  A. exsucca  leaves were collected from the Magalhães Barata, northeast of the State of Pará (Brazil) in March and September of 2019. Moreover, we used computational approaches to evaluate possible biological targets for the major compounds of the EO. In the sample obtained in March, 50 compounds were identified, with hydrocarbon sesquiterpenes being the predominant ones with the content of 80.52%. In the sample collected in September, 58 compounds were identified, and the chemical class of hydrocarbon monoterpenes and sesquiterpenes were the dominant ones with contents of 43.36 and 31.29%, respectively. Computational methods demonstrated that some major compounds have potential biological activity against some strains of pathogenic bacteria, as well as against molecular targets involved in cancer development.

First report on the Annona exsucca DC. Essential oil and in silico identification of potential biological targets of its major compounds