Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you...

8
Vitamins

description

The Function of Vitamins Vitamins do not provide energy or build the body physically. Instead they work with enzymes to perform specific functions in the body. Enzymes which are made up of a protein molecule and a co-enzyme speed up reactions that would otherwise proceed too slowly to sustain cell life.

Transcript of Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you...

Page 1: Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you could end up with a deficiency disease. A disease.

Vitamins

Page 2: Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you could end up with a deficiency disease. A disease.

What are Vitamins

Vitamins are complex organic substances vital to life.Without them you could end up with a deficiency disease. A disease caused by a lack of a specific nutrient.Examples of deficiency disease include scurvy, beriberi and rickets.

Page 3: Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you could end up with a deficiency disease. A disease.

The Function of Vitamins

Vitamins do not provide energy or build the body physically. Instead they work with enzymes to perform specific functions in the body.Enzymes which are made up of a protein molecule and a co-enzyme speed up reactions that would otherwise proceed too slowly to sustain cell life.

Page 4: Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you could end up with a deficiency disease. A disease.

Function of vitamins

A vitamin may form part of a co-enzyme. If you don’t get enough vitamins or the right vitamins then the co-enzyme slowly stops working and cells begin to function less efficiently .Thus the cells-and the organs and tissues they make up-begin to die.

Page 5: Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you could end up with a deficiency disease. A disease.

Structure of Vitamins

Most vitamins have similar basic components that include the following.A six-sided ring that includes carbon or carbon and nitrogen atoms as well as hydrogen atoms and hydrocarbons.

Page 6: Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you could end up with a deficiency disease. A disease.

The Vitamins you need.

Natural vitamins are found only in living things. We cannot synthesize our own vitamins we must get them from the plants and animals that we eat.Different foods are good sources of different vitamins.Recommended intakes may vary according to a person’s age and gender.

Page 7: Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you could end up with a deficiency disease. A disease.

Water-Soluble vitamins

Water-soluble vitamins dissolve in water.Nine water-soluble vitamins-the major B vitamins and vitamin C-are essential for humans.

Page 8: Vitamins. What are Vitamins Vitamins are complex organic substances vital to life. Without them you could end up with a deficiency disease. A disease.

Fat-Soluble Vitamins

Fat-soluble vitamins dissolve in lipids.Like fat they are stored in the body until needed.Examples include Vitamin A, D, E and K