Chemical preparations used in industry, science, photography, agriculture, horticulture and forestry; gelatine for industrial purposes; protein, in particular for industrial purposes and for use in the manufacture of foodstuffs and beverages, pharmaceutical, cosmetic and veterinary products, dietetic products and food supplements; gelatine, in particular for industrial purposes and for use in the manufacture of foodstuffs and beverages, pharmaceutical, cosmetic and veterinary products, dietetic products and food supplements; gelatine hydrolyzate, in particular for industrial purposes and for use in the manufacture of foodstuffs and beverages, pharmaceutical, cosmetic and veterinary products, dietetic products and food supplements; collagen, in particular for industrial purposes and for use in the manufacture of foodstuffs and beverages, pharmaceutical, cosmetic and veterinary products; collagen hydrolyzate, in particular for industrial purposes and for use in the manufacture of foodstuffs and beverages, pharmaceutical, cosmetic and veterinary products; proteins for the manufacture of foods; proteins for human and animal consumption; proteins for fermentation technology; proteins for human foodstuffs, which form gels as part of the production process; proteins for human foodstuffs, which form emulsions in the processing; proteins for use in science, namely, for research of athlete's performance; protein products, namely, protein powder for making foodstuffs and food supplements for increasing endurance of humans, in particular of athletes and sportive people; proteins for use in manufacture of powders for making beverages, of edible bars, of nonalcoholic beverages, of tablets, of capsules and of foodstuffs; proteins for use in the manufacture of beverages; proteins for use in the manufacture of sports nutrition, athlete nutrition, nutritional supplements for sports and nutritional supplements for athletes in solid, liquid or powder form; proteins for the manufacture of foods for animals and animal feed; chemical preparations for use in the manufacture of animal feed supplements; proteins, in particular gelatine and gelatine hydrolyzate, for the manufacture of foods for animals, animal feed supplements and veterinary products and preparations; proteins for use in the manufacture of food supplements for humans and animals; proteins for non-medicinal purposes for use in gene technology