The specific function of biotin (vitamin H) metabolism lies in the fact that it is a component of the active site of enzymes biotin-dependent performing carboxylation reactions, and including in the form of CO2 NSO3 in various organic acids.
In blood content of biotin (vitamin H) is 0.7 to 1.7 g / dL ( average 1.3 mcg / dL ). Urine along with biotin separate the derivatives in quantities 0.4-0.7 g per 1 kg of body weight per day. Deficiency of biotin may occur in seborrheic dermatitis and its most common form - Leinert disease in children at an early age. These diseases are often found in infants suffering from diarrhea, and explains the low receipt of biotin in human milk, possible loss of biotin during the disorder and changes in gastric and intestinal microflora. Symptoms of biotin deficiency can be seen in young children in the form of skin disorders (dermatitis rash on the neck, cysts of the hands, forearms, feet, followed by a series of pigmentation). Then appear in the language lesions, anorexia, nausea, depression, myalgia, hyperesthesia. Simultaneously showing anemia and an increased content of cholesterol.
Contained in: From foodstuffs of animal origin biotin rich liver and kidneys, and herbal products - rye and cauliflower. Biotin can be found in cow's milk and egg yolk.