1. Vitamin E

2. What is the nature of this substances  Vitamin E refers to a group of ten lipid-soluble compounds that include both tocopherols and tocotrienols.

3. The importance of vitamin E

4. Alpha-Tocopherol a.k.a

5. Functions in the Human body  Chain-breaking antioxidant  Protects cell membranes  Enhances immune response  Regulates platelet aggregation  Regulates protein kinase C activation

6. Requirements of humans per day  The Recommended Dietary Allowance (RDA) for vitamin E varies by sex and age group. Children (ages 0-4 months): 4 mg per day Children (ages 7-12 months): 5 mg per day Children (ages 1-3): 6 mg per day Children (ages 4-8): 7 mg per day Children (ages 9-13): 11 mg per day Adults (ages 14 and older): 15 mg per day Pregnant females: 15 mg per day Lactating females: 19 mg per day

7. Food sources

9. The beneficial effects of vitamin E:  Improve the specific symptoms of cystic fibrosis;  Reduce the risk of peripheral circulatory diseases;  Enhance the quality of sexual intercourse;  Increases the muscle strength and the stamens level of the body.

11. Effects of a vitamin E deficiency

17. Losses which occur during cooking.  Freezing may destroy Vitamin E  Extreme heat causes Vitamin E to break down  Avoid deep-fat frying foods that are natural sources of Vitamin E  Reduces potential toxicity of Vitamin A - Excessive doses causes Vitamin A depletion

18. Avoiding vitamins loss  Steam,or use as little water as possible.  Cover pan and cook for a short of time.  Save cooking liquid for soups,stews and gravy.  Store fruits and vegetable's in a cool dark place.  Buy fresh,use vegetables and fruits raw when possible.

20. Interesting facts about this substance ( vitamin e)  Vitamin E is the name for an entire group of 16 substances with antioxidant properties that have been discovered so far in the cell. The vitamin can be found, for example, in the membranes of human cells, so basically in the skin or outer casing of a cell.

21.  only plants can generate vitamin E because they photosynthesise. We are, however, dependent on the intake of vitamin E to protect our cells

22. How to get more vitamin E in your diet  Here are some quick and easy ways to get more vitamin E in your diet. 1. Eat more healthy fats. 2. Store your foods properly. 3. Eat unprocessed foods.  4. Get enough vitamin C and zinc in your diet.

23. conclusion  Vitamin E known as “Tocopherol”. It is very important for our body in protecting us from diseases and strengthen our immune system.Even though vitamin E is important to our body over taking or taking less than the required amount could harm our body.