to overview Vitamins Occurrence and structure Riboflavin is also found in vegetable and animal products, especially in large quantities in milk and dairy products. Its structure is characterized by a tricyclic (consisting of three rings) isoalloxacin ring to which a ribitol residue is attached. Furthermore, vitamin B2 is in: broccoli, asparagus, spinach eggs and wholemeal … Vitamin B2 – Riboflavin
to overview Vitamins Occurrence and structure Pantothenic acid occurs both in animal and in vegetable products, particularly plentifully in yolk, liver and kidney. In addition it is formed by our intestine bacteria. It is developed from beta Alanin and Pantoinsäure. Further Vitamin B5 is contained in: Nuts, rice, fruit, vegetables and brewer’s yeast. Its most … Vitamin B5 – pantothenic acid
to overview Vitamins Occurrence and structure Vitamin K is produced by plants and by our intestinal bacteria. An important structural feature is naphthoquinone (consisting of 2 rings), to which a side chain is attached. Vitamin K plays an important role in blood clotting. It modifies the coagulation factors II, VII, IX and X, as well … Vitamin K – Phylloquinone
to overview Vitamins Occurrence and structure Tocopherol only occurs in plants, so it is particularly abundant in vegetable oils, for example. It has a chroman ring with a side chain. Among these oils are sunflower oil, palm oil, wheat germ oil and olive oil. Function Vitamin E is found in all biological membranes and serves … Vitamin E – tocopherol
To the overview: Vitamins Synonyms Cholecalciferol Occurrence and structure Cholecalciferol/Vitamin D is the precursor of Calcitriol. It is synthesized from cholesterol. The cholesterol is split in the skin by exposure to sunlight (i.e. UV light) and thus becomes cholecalciferol, which is actually vitamin D. The active form, however, is calcitriol, whose chemical name is actually … Vitamin D
Dosage Since only a part of vitamin D is absorbed through food and the other part is formed on the skin itself through the sun’s rays, it is difficult to determine a guide value for a daily dose. The amount of vitamin D produced by the body itself depends on many factors, such as skin … Dosage | Vitamin D
Symptoms of deficiency The daily requirement of vitamin D is taken up on the one hand via food, but on the other hand it is produced by the body itself. In order for the body to be able to produce vitamin D, however, it needs the sun’s rays on the skin. Even with a balanced … Symptoms of deficiency | Vitamin D
Values Scientists are not yet in agreement about the ideal value for vitamin D in the blood. However, a vitamin D level of over 30 micrograms per liter is recommended. Particularly after the winter, in addition, often even in the summer exhibit over half of humans between 18 and 80 years a Vitamin D value … Values | Vitamin D
to overview Vitamins Occurrence and structure Most plentifully Folsäure is in vegetable materials such as spinach, asparagus sheet salads and grain, as well as in animal liver. It consists of three components: Pteridinsäure, Benzoesäure and Glutamat. Vitamin B9 is further contained in: Beet, brocolli, carrots, asparagus, Brussels sprouts, egg yolk, tomatoes and nuts Function Before … Vitamin B9 – folic acid
english: vitamina a acidoverview vitamins Occurrence and structure of vitamin A Beta-carotene, the precursor of vitamin A, can be split into two molecules retinal, which consist of four isoprene units and a simple ring system. Vitamin A is supplied via food and is particularly contained in animal food sources. Liver contains a particularly large amount … Vitamin A – Retinol
Vitamin A-containing agents against acne Vitamin containing drugs are very effective drugs for the treatment of acne. Through a therapy that usually lasts for several months, the sebaceous glands of the skin are severely restricted in their function. The skin is less oily and fewer and fewer pimples form over time. Due to the possible … Vitamin A-containing agents against acne | Vitamin A – Retinol
Eye drops containing vitamin A In case of dry eyes, relief can be achieved with eye drops containing vitamin A on doctor’s orders. Depending on the severity of the symptoms, one drop is given into the eye 3 times a day up to once an hour. The drops contain a small amount of the vitamin, … Eye drops containing vitamin A | Vitamin A – Retinol