Exam 2, pantothenic acid Flashcards
how is pantothenic acid found in body
85% bound as component of coenzyme A
*CoA includes pantothenic acid as part of its structure
structure of pantothenic acid
long structure
main function of pantothenic acid
crucial component of CoA
2nd function of pantothenic acid
component of 4’ phosphopantheine -> carrier of acyl groups required for FA synthesis and oxidation
4 functions of coenzyme A
- energy production
- carb metabolism
- lipid metabolism
- de-acetylation of proteins
photo of bird eye irritation
dermatitis: pantothenic acid deficiency
photo of pig walking weird
goose-stepping: pantothenic acid deficiency
GREY HAIR ON FACE of rat
pantothenic acid deficiency
ducks pantothenic acid deficiency is
anemia
who has increased needs of pantothenic acid
alcoholism (low intake), diabetes (increased excretion in urine), IBS (impaired absorption)
toxicity
15-20 g/ day, would cause mild GI distress and diarrhea
tolerable upper intake level
none
best assessment of status of pantothenic acid
urinary pantothenic acid excretion (except for diabetic patients)
main food sources pantothenic acid
-royal jelly of queen be
-roe/ fish eggs