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Biochemistry > Vitamin E > Flashcards

Vitamin E Flashcards

1
Q

Collective name for all stereoisomers of tocopherols and tocotrienols

A

Vitamin E

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2
Q

The MOST POWERFUL NATURALLY OCCURING ANTIOXIDANT

A

Vitamin E

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3
Q

Micronutrients with known ANTIOXIDANT EFFECTS

A 
Vitamin A
Vitamin C
Vitamin E
Zinc
Selenium
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4
Q

Biologically MOST POTENT FORM of Vitamin E

A

ALPHA TOCOPHEROL

chain breaking antioxidant

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5
Q

Vitamin E deficiency

A

Axonal degeneration
-posterior column and spinocerebellar symptoms

Hemolytic anemia
-erythrocyte membranes are abnormally fragile as a result of poor lipid peroxidation –> hemolytic anemia

Peripheral neuropathy
-AREFLEXIA with progression to ataxic gait, decreased position and vibration sense

Spinocerebellar ataxia

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6
Q

Vitamin E in high doses may protect against

A

oxygen induced retrolental fibroplasia

bronchopulmonary dysplasia

intraventricular hemorrhage of prematurity

treat intermittent claudication

slow the aging process

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7
Q

Vitamin E Toxicity

A

Reduces platelet aggregation

Interferes w/ the effects of Vitamin K

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Biochemistry (75 decks)

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