Comparative 2H-labelled [alpha]-tocopherol biokinetics in plasma, lipoproteins, erythrocytes, platelets and lymphocytes in normolipidaemic males

Comparative 2H-labelled [alpha]-tocopherol biokinetics in plasma, lipoproteins, erythrocytes, platelets and lymphocytes in normolipidaemic males

The biokinetics of newly absorbed vitamin E in blood components was investigated in normolipidaemic males. Subjects (n 12) ingested encapsulated 150 mg 2H-labelled RRR-α-tocopheryl acetate with a standard meal. Blood was collected at 3, 6, 9, 12, 24 and 48 h post-ingestion. 2H-Labelled and pre-exist...

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Veröffentlicht in:British journal of nutrition 2005-07, Vol.94 (1), p.92
Hauptverfasser: Jeanes, Yvonne M, Hall, Wendy L, Lodge, John K
Format: Artikel
Sprache:eng
Schlagworte:
Blood
Blood platelets
Erythrocytes
High density lipoprotein
Ingestion
Lipids
Lipoproteins
Lymphocytes
Males
Metabolism
Nutrition
Plasma
Vitamin E
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Zusammenfassung:The biokinetics of newly absorbed vitamin E in blood components was investigated in normolipidaemic males. Subjects (n 12) ingested encapsulated 150 mg 2H-labelled RRR-α-tocopheryl acetate with a standard meal. Blood was collected at 3, 6, 9, 12, 24 and 48 h post-ingestion. 2H-Labelled and pre-existing unlabelled α-tocopherol (α-T) was determined in plasma, lipoproteins, erythrocytes, platelets and lymphocytes by LC-MS. In all blood components, labelled α-T concentration significantly increased while unlabelled decreased following ingestion (P
ISSN:0007-1145
1475-2662
DOI:10.1079/BJN20051434