This work developd nanomaterials formulated from annatto seed oily extract (ASE). myristic acid (tetradecanoic acid). and their fatty acid esters. The annatto seed oily extract was obtained using only soybean oil (ASE + SO) and Brazil nut oil (ASE + BNO). https://parisnaturalfoodes.shop/product-category/org-spruce-black-essential-oil/