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Effect of Platelets on Apparent Leucocyte Ascorbic Acid Content
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The leucocyte ascorbic acid content is widely used as a measure of tissue ascorbic acid status. Standard methods of analysis, however, isolate both leucocytes and platelets (buffy layer), with consequent overestimation, since platelet ascorbic acid is attributed to the leucocytes. Fourteen healthy individuals on ascorbic acid supplements and 11 patients on mega dose ascorbic acid therapy were studied. A significant correlation was demonstrated between the ‘leucocyte’ ascorbic acid content and the platelet: leucocyte ratio (r = 0·70, p<0·001). It is suggested that changes in the relative distribution of platelets and leucocytes in the blood will result in an apparent change in the ‘leucocyte’ ascorbic acid content regardless of any actual change in the ascorbic acid content of the cells.
Title: Effect of Platelets on Apparent Leucocyte Ascorbic Acid Content
Description:
The leucocyte ascorbic acid content is widely used as a measure of tissue ascorbic acid status.
Standard methods of analysis, however, isolate both leucocytes and platelets (buffy layer), with consequent overestimation, since platelet ascorbic acid is attributed to the leucocytes.
Fourteen healthy individuals on ascorbic acid supplements and 11 patients on mega dose ascorbic acid therapy were studied.
A significant correlation was demonstrated between the ‘leucocyte’ ascorbic acid content and the platelet: leucocyte ratio (r = 0·70, p<0·001).
It is suggested that changes in the relative distribution of platelets and leucocytes in the blood will result in an apparent change in the ‘leucocyte’ ascorbic acid content regardless of any actual change in the ascorbic acid content of the cells.
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