Example sentences for: alpha-tocopherol

How can you use “alpha-tocopherol” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Both alpha- and gamma-tocopherol are absorbed from the intestine and secreted into chylomicrons equally well [ 6 7 ] . The selective retention of alpha-tocopherol in plasma is attributed to a number of factors such as the hepatic alpha-tocopherol transfer protein (alpha-TTP), which preferentially incorporates alpha-tocopherol (over gamma-tocopherol) into very low density lipoprotein [ 8 9 10 ] . Indeed, the affinity of the different forms of vitamin E for the alpha-TTP protein appears to be a primary determinant of their plasma levels [ 8 ] . In addition, there is evidence suggesting that gamma-tocopherol is preferentially catabolized to a water-soluble form (2,7, 8-trimethyl-2-(beta-carboxyethyl)-6-hydroxychroman or gamma-CEHC) by side chain oxidation [ 11 12 ] .

  • In addition, we found that presence of gamma-tocopherol dramatically increased the cellular uptake of alpha-tocopherol.

  • The changes in tocopherol levels (expressed as nmoles/well) in the medium were also measured during both the uptake and depletion phases and these data are provided in Tables 1(for alpha-tocopherol or gamma-tocopherol) and 2(for alpha-tocopherol plus gamma-tocopherol).

  • If these results could be extrapolated to in vivo conditions they suggest that gamma-tocopherol is selectively taken up by cells and removed from plasma more rapidly than alpha-tocopherol.

  • If, in the absence of gamma-tocopherol, 0.5 nmole of alpha-tocopherol were converted to alpha-tocopheryl quinone (and no further catabolism occurred) than this should be recovered in cells.


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