Fuente: WIPO "tomato" The instant invention refers to nanosystems comprising nanocomposites for adsorption or support of natural extracts; a process for the preparation thereof; formulations containing thereof, as well as a nanomaterial that adsorbs one or more essential oils in its surface. Specially, one object of the invention is the encapsulation of natural extracts, i.e., essential oils and/or natural pure bioactive compounds and optionally terpenoid, sesquiterpenoid, diterpenoid, sesterterpenoid, triterpenoid, carotenoid, and ricinoid compounds; complementary acids, 10 and polysaccharides; vitamins, and other organic compounds, in mesoporous materials for application in different industries such as food, agricultural, veterinary, aquacultural, pharmaceutical, cosmetic, cleaning, sanitizing, and disinfection industries, as well as in medicine.