Choline Flashcards Preview

Nutrition > Choline > Flashcards

Flashcards in Choline Deck (15):
1

is it a trace element, vitamin, or mineral? Choline

B vitamin

2

what are its 3 functions? Choline

Used to make neurotransmitter, Source of methyl groups, Cell signaling

3

which neurotransmitter is it used to make? Choline

acetylcholine

4

what are the details of its function as: Source of methyl groups? Choline

Metabolized to betaine, source of methyl
groups to convert homocysteine ->
methionine; Prevention of cardiovascular disease

5

what are the details of its function as: Cell signaling? Choline

In phospholipids that are precursors for signaling

6

why isn't it a true vitamin? Choline

not a true vitamin since body can make from glycine

7

what happens with its synthesis in guinea pigs? Choline

cannot be synthesized fast enough

8

what are the two symptoms of deficiency? Choline

Fatty liver, liver & muscle damage; Neural tube defect in pregnancy

9

is a deficiency common or rare? Choline

rare

10

why is it considered conditionally essential? Choline

Need some in diet even though can make it

11

what are the six toxicity side effects? Choline

Fishy body odor, Vomiting, salivation, sweating, Decreased blood pressure, Tinnitus

12

whats the RDI? Choline

M 550 mg, F 425 mg

13

whats the upper level? Choline

3,500 mg

14

what are the four main food sources? Choline

egg yolk, liver, beef, soy beans

15

whats the greatest food source? Choline

liver