Look up the structures for vitamins A, D, and E. Compare them to a water-soluble vitamin,...

Look up the structures for vitamins A, D, and E. Compare them to a water-soluble vitamin, such as vitamin C. Given the structures for A, D, and E, why would these vitamins be attracted to lipids? Why does vitamin C prefer a hydrophilic environment? Finally, list one side effect from taking too much vitamin D for too long a period of time.

Expert Solution

- There are total 13 essential vitamins that are required for our body.

- These are classified in two different groups such as fat soluble and water soluble vitamins.

- Fat soluble vitamins are- vit. A, D, E, K

- Water soluble vitamins are - vit. C

Comparison of fat soluble vit. with water soluble vit. are as follows

- Fat soluble vitamins are stored in liver and fat tissues in the body.

- These fat soluble vit. are soluble in fats and absorbed by the fat globules and enter in the blood circulation.

- The water soluble vit. are easily dissolved in water and hence they are quickly dissolved in the body.

- These vitamins are not stored in our body instead of that excess vit. pass through body.

- Water soluble vitamins have polar groups hence these are soluble in water i.e a polar solvent, while fat soluble vitamins are having non polar group hence these are soluble in non polar solvents like fatty tissues.

Side effects of taking excess vit. D-

- Taking high dose of vit D3 for longer period of time leads to toxicity.

- Excess of vit. D leads to hypercalcemia i.e increased blood calcium level.

- Also it leads to nausea, stomach pain, constipation, loss of appetite.

-

gladiator answered 1 year ago

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