Question

Please construct a comprehensive and usable study guide for each Fat-Soluble Vitamin ( E)

Include the following:

Name (s) of the vitamin: What chemical names or units is the Vitamin identified?

Function(s) of the vitamin

Food and Non Food Sources

Requirements (or estimated requirements)

Metabolism Highlights

Deficiency and Toxicity causes and symptoms

People or population at risk

Additional information necessary to address sufficient understanding of the vitamin's need in a person's diet

Answer 1

Vitamin E is a group of tocopherols and tocotrienols. 8 tocopherols have been identified. Tocopherols are derivative of 6-hydroxyz chromane ring with isoprenoid chain.

Functions -

Have antioxidants properties and selenium helps in this function.

It protects PUFA (polyunsaturated fatty acids) from peroxidation.

Maintains the cell membrane structure and integrity

Essential for normal reproduction and prevents sterility hence called anti sertility vitamin

Protects liver from toxic compounds like carbon tetrachloride

Prevents heart diseases  

Recommended dietary allowance - 10mg (15 IU) for man

8mg (12 IU) for woman

Dietary sources - vegetable oils like wheatgerm oil, peanut oil, corn oil and sunflower oil. And food sources - meat,butter, eggs

Deficiency symptoms - leads to sterility, megaloblastic anemia,changes in Central nervous system and degenerative changes in muscles

Toxicity - least toxic than other fat soluble vitamins .

Vitamins need in person's diet - vitamins are required for performing specific functions for maintenance of optimum growth and health of an individual .