Upgrade to remove ads
Only $35.99/year

Vitamin E

Terms in this set (67)

main function of vit E
maintains integrity of cell membranes; lipid soluble anti oxidant
most biologically active form of vit e
tocopherol
root of tocopherol
tokos = child birth
phero = to bring forth
ol = alcohol
where is vit e made
plants
2 categories of vitamin e
tocopherols (saturated side chains)
tocotrienols (unsaturated side chains)
tocopherol structure
chromanol head with saturated phytyl tail
tocotrienol structure
chromanol head with unsaturated phytyl tail
what gives vitamin e its antioxidant properties
hydroxyl on chromanol head
variations on vit e
alpha, beta, delta, gamma
indicates where the methyl groups are located on the chromanol head
alpha form of vit e
R1 R2 and R3 all have methyl groups
what do chiral centers of vit e determine
stereoisometric forms
what forms of vitamin E are counted towards the requirements
only the R2 forms
synthetic forms of vitamin e
all that are not RRR
vit e variations in order of biological availability
alpha > beta > gamma > delta
tocopherols have greatest activity
only alpha-tocotrienol has significant activity
2 assays to assess vitamin e activity
resorption-gestation, hemolysis (destruction of RBCs)
Sets with similar terms