Exam 2, pantothenic acid Flashcards

1
Q

how is pantothenic acid found in body

A

85% bound as component of coenzyme A
*CoA includes pantothenic acid as part of its structure

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2
Q

structure of pantothenic acid

A

long structure

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3
Q

main function of pantothenic acid

A

crucial component of CoA

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4
Q

2nd function of pantothenic acid

A

component of 4’ phosphopantheine -> carrier of acyl groups required for FA synthesis and oxidation

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5
Q

4 functions of coenzyme A

A
  1. energy production
  2. carb metabolism
  3. lipid metabolism
  4. de-acetylation of proteins
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6
Q

photo of bird eye irritation

A

dermatitis: pantothenic acid deficiency

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7
Q

photo of pig walking weird

A

goose-stepping: pantothenic acid deficiency

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8
Q

GREY HAIR ON FACE of rat

A

pantothenic acid deficiency

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9
Q

ducks pantothenic acid deficiency is

A

anemia

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10
Q

who has increased needs of pantothenic acid

A

alcoholism (low intake), diabetes (increased excretion in urine), IBS (impaired absorption)

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11
Q

toxicity

A

15-20 g/ day, would cause mild GI distress and diarrhea

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12
Q

tolerable upper intake level

A

none

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13
Q

best assessment of status of pantothenic acid

A

urinary pantothenic acid excretion (except for diabetic patients)

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14
Q

main food sources pantothenic acid

A

-royal jelly of queen be
-roe/ fish eggs

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