chemical preparations for industrial use, namely, mixtures of fatty acid and sterol esters used as nutritional supplements for fermentation; chemical preparations for industrial use, namely basic products, namely, fatty acid and sterol ester mixtures used to formulate cell cultures; raw materials for nutritional and pharmaceutical industry in the form of silicone fluids; semi-finished products, namely, chemicals for use in the manufacture of nutritional supplements for ready to use cell cultures; chemical media, namely, chemicals for use in the manufacture of nutritional supplements for growth media for mammalian cells; and agars containing fatty acids; fatty acid derivatives for use in mammalian cell fermentation; phytosterols for use in the manufacture of nutritional supplements for mammalian cells for industrial or scientific purposes; proteins for use in the manufacture of nutritional supplements for mammalian cells for industrial or scientific purposes; amino acids for laboratory or research use, namely, peptide substrates used in fermentation processes; amino acids for laboratory or research use, all aforementioned goods free from blood and animal ingredients; enzyme stabilizers for chemical use; cultures of microorganisms used in the production of biological drugs by fermentation, except for medical or veterinary purposes