9 important symptoms of vitamin A deficiency
The early symptoms start with itching, burning and inflammation of eyelids followed by various eye conditions.
The early symptoms start with itching, burning and inflammation of eyelids followed by various eye conditions.
Vitamin E consists of a group of chemical substances called ‘tocopherols’. There are six different tocopherols which are collectively called Vitamin E. It occurs as yellow viscous oil, insoluble in water, but soluble in fat solvents.
This Vitamin is the only cobalt containing substance essential to life. It is absorbed from the ileum, with the help of a muco-protein enzyme called as the 'Castle's Intrinsic factor' and stored in the liver.
Vitamin B6 has been called 'Pyridoxine' and exists in three forms- Pyridoxal, Pyridoxamine, and Pyridoxine, which could be mutually interchangeable in the body.
Vitamin-K was founded by Dr. Dam of Copenhagen in 1935, as ‘Koagulations Vitamin’. He suggested that this vitamin was necessary to prevent fatal hemorrhages by promoting normal blood clotting.
Apart from proteins, carbohydrates and fats, there are certain other substances that are present in very small amount in food stuffs that are highly essential for growth, health and well-being.
The difference between Vitamin and Hormone are vitamins are synthesized in plants and taken by animals cheifle through diet whereas hormones are secreted mostly by endrocrine glands and some by neurosecretory cells of animals.
Vitamins are a group of complex organic nutrients required in small quantities for variety of biochemical reaction. They are not synthesized in our body been taken in the diet to maintain good health. Vitamins are classified into fat-soluble (A, D, E and K) and water-soluble vitamins (B-Complex, C and H).
The substance named as vitamin B by the early investigators was discovered to contain a large number of vitamins. Because of the close bond between them were later collectively referred to as the B complex vitamins.
Calcium and phosphorus make strong bones and teeth and vitamin D is essential for the absorption of calcium and phosphorus. Therefore, deficiency of calcium, phosphorus and vitamin D in the body leads to poor bone formation. In growing children and nursing mothers, the chances of the deficiency of calcium and phosphorus are more as their requirement of these minerals is more.