Choline

Question 1

What is choline?

Answer 1

Not technically a B vitamin, as it can be synthesised by the liver

Does not function as a coenzyme, but is present in large amount in the body

Question 2

What is the function of choline?

Answer 2

• as a part of phospholipids, lipoproteins and cell membranes
• is a precursor to acetylcholine (brain and muscle function as a neurotransmitter)
• can be a methyl donor in conversion of homocysteine to dimethylglycine

Question 3

What occurs in choline toxicity?

Answer 3

• fishy odour
• decreased blood pressure
• vomiting

Question 4

What occurs in choline deficiency?

Answer 4

• fatty liver

- kidney and liver damage

Question 5

What are good dietary sources of choline?

Answer 5

• egg
• cod
• chicken
• dairy