This refers to the use of cassava shell to obtain an irremovable cassava, which is condensed into saturated liquid oil and gas and solid oil, accounting for 5% to 50% of the total weight of cassava by weight. It also mentions a method for obtaining an irreversible rod, which is condensed into a saturated diluent and at least a mat of cassava shell.These cassava skins account for between 5% and 50% of the total weight of the sticks used by weight. It also refers to a non removable polyurethane, which is rich in saturated liquid oil and solid oil and can be obtained by this method. Finally, it refers to an irreversible rod, which is rich in saturated cooking oil and steroids, can be used as a drug, and has advantages in the prevention and / or treatment of conjunctivitis tissue disorders such as conjunctivitis.joint pathologies such as rheumatism or periodontal diseases such as gingivitis or periodontitis. Claim 7: A method for obtaining an unsaponifiable avocado enriched in saturated aliphatic hydrocarbons and in sterols of at least avocado peels, wherein said avocado peels represent 5 to 50% by weight in relation to the total weight of the avocado used, including the following successive steps: (i) cutting or crushing the avocados, where said avocados have a shell content of 5 to 50% w / w, (ii) drying at high temperature, advantageously at a temperature between 60 and 150 ° C, in particular between 80 and 120ºC,Until the residual humidity is less than or equal to 5%,(Iii) agregar agua a las paltas secas mediante la adici n del 1 al 5 25 de agua o vapor de agua en relaci n con el peso de las paltas secas (iv) extraer aceite mediante presi n mec nica ventajosamente a una temperatura entre 80 (VII) at least one purification and / or fractionation step may be selected.La presente hace referencia al uso de cáscaras de palta con el fin de obtener un insaponificable de palta enriquecido en hidrocarburos alifáticos saturados y en esteroles, donde dichas cáscaras de palta r
