Chemicals for use in industry, including chemicals for use in the industry of pharmaceutical, parapharmaceutical, cosmetic, nutraceutical, nutritional preparations and/or for preparing dietary and dietetic substances; chemicals for use in the preparation of the following goods: pharmaceuticals, parapharmaceutical preparations, cosmetic products, nutraceutical preparations, nutritional products, food preparations and dietetic substances comprising at least one compound chosen from trace elements, mineral salts, metal oxides, metal hydroxides, phosphoric acid salts, vitamins, proteins, calcium, iron, milk proteins, organic acids and salts thereof, inorganic acids and salts thereof, saturated or unsaturated fatty acids; chemicals for use in the preparation of the following goods: pharmaceuticals, parapharmaceutical preparations, cosmetic products, nutraceutical preparations, nutritional products, food preparations and dietetic substances comprising at least one compound chosen from fats and lipids of plant and/or animal origin, amino acids, glucose, starch, rice starch, sucrose esters of fatty acids, lecithin and sunflower lecithin, all the aforesaid goods being adapted for human consumption