Friday, 19 October 2018

Meaning, Functions, Effects and Sources of Vitamin K

As we know Vitamins are very important for the proper functioning of the body. Our body requires. Our body requires nutrients in various amounts.The amount of nutrients is different in different foods.By consuming different food products in right proportion, we get proper nutrition and good health.So the detailed knowledge of nutrients is very important. So in this we talk about Meaning, Functions, Effects and Sources of Vitamin K.


Meaning, Functions, Effects and Sources of Vitamin K

Meaning

In 1929, a scientist Dr Dam in Denmark discovered vitamin K which is essential for blood vitamin is also called "Coagulation vitamin". 

It is yellow in colour and fat soluble vitamin. It is stable in heat but get detroyed by the acid, base, and oxidation.

Functions of vitamin K

Following are the funtions of Vitamin K are as fallow:

(a) The most important function of vitamin K is the clotting of blood. It is also called an Anti Haemorrhage vitamin. Thrombin is resquired to stop the bleeding which is found in the form of Prothrombin. Vitamin K is helpful in the formation of thrombin from prothrombin. Thromhin changes the fibrinogen to fibrin in the blood. This fibrin comes in contact with air and forms the clotting of blood.

(b) It help the glucose to reach the cell walls and also helps in the conversion of glucosse into glycogen.

Effects of deficieney of vitamin K


Due to the deficiency of vitamin K, the amount of thrombin gets decreased in blood by which the process of blood clotting takes more time. This results in more loss of blood from the body. Such loss of blood is also called hypoprombinaemia.

The loss of blood during the pregnancy affects both the mother and the child.

Deficiency of vitamin K is found rarely because along with the diet, it is also synthesized by the intestines. If it happens there are other reasons for it. Which are as follows:
1. Vitamin K is not absorbed by the intestines.
2. Vitamim K is not synthesized by the intestines.
3. The bacteria in the intestines that forms the vitamin K gets destroyed due to excessive intake of sulpha medicines.
4. Bile juice is necessary for the absorption of vitamin K. Therefore the shortage of bile juice leads to the deficiency of vitamin K.

Sourees of vitamin K 

Vitamin K is found in two forms:

(a) K1S-It is found in the green leafy vegetables. Cabbage, soyabean, bran of wheat, peas petato, and tomato are the other sources.

(b) K2S- It is synthesized by the bacteria in the intestines.

Effect of excess of vitamin K

Due to the excess of vitamin K, the red blood cells get scattered. Symptoms like nausea and vomiting are noticed.

Daily Requirements

Vtamin K is formed in the intestines and also found in the diet in sufficient amount. Therefore its daily intake is not required ti be fixed.

So these are the Meaning, Functions, Effects and Sources of Vitamin K.

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