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Nutrition > Water Soluble Vitamins > Flashcards

Water Soluble Vitamins Flashcards

1
Q

Vitamin C Functions

A
  • Synthesis of collagen
  • Synthesis of neurotransmitters, hormones, bile acids
  • Antioxidant
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2
Q

Thiamin (B1) Functions

A

-Part of coenzyme TPP, needed to convert pyruvate to acetyl CoA

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3
Q

Riboflavin (B2) Functions

A
  • Forms coenzymes involved in citric acid cycle (FAD), beta oxidation (FMN), extracting energy from dietary fuels
  • Converts other vitamins into active forms
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4
Q

Niacin (B3) Functions

A
  • Part of coenzyme NAD, vital for electron transport in glucose metabolism and synthesis of FAs and cholesterol
  • May lower LDL raise HDL in high does
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5
Q

Pantothenic Acid (B5) Functions

A
  • Part of coenzyme A involved in extraction of energy from from dietary fuels
  • Needed everywhere, including synthesis of neurotransmitters, steroid hormones and Hb
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6
Q

B6 Functions

A
  • Part of coenzyme pyridoxal phosphate (PLP)
  • Transamination/Deamination
  • Synthesis of Hb, WBC, myelin
  • Conversion of tryptophan to niacin
  • Glycogenolysis
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7
Q

Biotin (B7) Functions

A

-Part of coenzyme that replenishes oxaloacetate

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8
Q

Folate (B9) Functions

A
  • Important of embryonic development

- Synthesis of DNA, amino acid metabolism

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9
Q

Cobolamine (B12) Functions

A
  • Production of ATP from some FAs
  • Keep homocysteine levels low
  • Maintain myelin Sheath
  • Activation of folate
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10
Q

Choline

A
  • Synthesis of Acetylcholine (neurotransmitter)

- Synthesis of cell membranes

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11
Q

Vitamin C Deficiency

A
  • Smokers at risk.

- Scurvy symptoms; bleeding gums, tooth loss, joint pain, bleeding skin, fatigue

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12
Q

Thiamin (B1) Deficiency

A

Alcoholics at risk.

Beriberi symptoms: weakness, fatigue, enlarged heart, poor short term memory, muscle paralysis

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13
Q

Riboflavin (B2) Deficiency

A

Alcoholics at risk. Poor wound healing, cracking lips, increased light sensitivity, burning, tearing, itchy eyes

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14
Q

Niacin (B3) Deficiency

A

Pellagra: fatigue, decreased appetite, indigestion.

-4 D’s: dermatitis, diarrhea, dementia, death

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15
Q

Pantothenic Acid (B5) Deficiency

A

Rare

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16
Q

B6 Deficiency

A

Poor growth, skin lesions, decreased immune function, anemia, neurological symptoms

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17
Q

Biotin (B7) Deficiency

A

Uncommon

-Nausea, thinning hair, lethargy, hallucinations

18
Q

Folate (B9) Deficiency

A

Pregnant women, alcoholics at risk

-Neural tube defects, poor growth, nerve dysfunction, diarrhea, tongue inflammation, megaloblastic anemia

19
Q

B12 Deficiency

A

Vegas, older adults with atrophic gastritis or lacking intrinsic factor are at risk
-Megaloblastic anemia

20
Q

Choline Deficiency

A

Rare, Liver dysfunction

21
Q

Vitamin C Toxicity

A

Diarrhea, nausea, abdominal cramps

22
Q

Thiamin (B1) Toxicity

A

No Known toxicity

23
Q

Riboflavin (B2) Toxicity

A

No Known Toxicity

24
Q

Niacin (B3) Toxicity

A

Skin flush, red rash, headaches, blurred vision, nausea

25
Q

Pantothenic Acid (B5) Toxicity

A

Non-toxic, no UL

26
Q

B6 Toxicity

A

Nerve Damage

27
Q

Biotin (B7) Toxicity

A

No known toxicity

28
Q

Folate (B9) Toxicity

A

can hide a B12 deficiency

29
Q

B12 Toxicity

A

no known toxicity

30
Q

Choline Toxicity

A

fishy body odour, sweating, reduced growth rate, low blood pressure, liver damage

31
Q

Sources of Vitamin c

A

citrus fruits, broccoli, strawberries, greens, peppers

32
Q

Sources of Thiamin

A

pork, whole grains, seeds, nuts, legumes

33
Q

Sources of Riboflavin

A

Dairy, whole grains, leafy greens, meats

34
Q

Sources of Niacin

A

beef, chicken, peanuts, legumes, whole grains

- can be made from amino acid, tryptophan

35
Q

Sources of Biotin

A
  • liver, cooked eggs, yogurt, nuts

- synthesized by bacteria in SI

36
Q

Sources of Pantothenic Acid

A

Meat, legumes, whole grains, widespread in foods

37
Q

Source of Vitamin B6

A

Meat, fish, poultry, legumes, whole grains, nuts and seeds

38
Q

Source of Folates

A

leafy greens, legumes, seeds, enriched grains, orange juice

39
Q

Sources of Vitamin B12

A

animal products

40
Q

Sources of choline

A

eggs, broccoli, nuts, wheat germ

Nutrition (3 decks)

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