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  • Title: Assessment of the thiamine nutritional status. An evaluation of erythrocyte transketolase activity, the stimulated erythrocyte transketolase activity, and the thiamine pyrophosphate effect.
    Author: Graudal N, Torp-Pedersen K, Hanel H, Kristensen M, Thomsen AC, Nørgård G.
    Journal: Int J Vitam Nutr Res; 1985; 55(4):399-403. PubMed ID: 4086209.
    Abstract:
    The most widely accepted approach to estimation of thiamine nutrition has been the measurement of the erythrocyte transketolase activity (ETKA), the ETKA stimulated in vitro with thiamine pyrophosphate (TPP) (which is suggested to be designated ETKAS) and the percentage increase of ETKA after stimulation with TPP in vitro, called the thiamine pyrophosphate effect (TPPE). In spite of 30 years of experience in the determination of these variables doubtfulness still exists of how to assess them. On the basis of a study of a group of alcoholics and a group of non-alcoholics a system of evaluation of ETKA, ETKAS and TPPE is proposed.
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