Food preserving chemicals; Chemicals for use in industry and science; Chemicals for use in the manufacture of a wide variety of goods; Chemical additives for use in the manufacture of a wide variety of goods; Chemical preparations for use in industry; Chemicals for use in biotechnological product development; Amino acids for laboratory or research use; Chemicals for use in biotechnological manufacturing processes; Chemicals for use in the biochemical and chemical industry; Chemical preparations for cleaning purposes in the food and food processing industries; Chemical additives for use in the manufacture of food; Chemical additives for use in the manufacture of pharmaceuticals