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Arch. latinoam. nutr ; 53(3): 238-242, sept. 2003.
Artículo en Inglés | LILACS | ID: lil-356564

RESUMEN

In 209 young university students (109 males and 80 females) with body mass index within the normal range, the activation coefficient of the erythrocyte transketolase (ETKAC) glutathione reductase (EGRAC) and aspartate amino transferase (EASTAC) as well as the circulating levels of vitamin C were determined. Using the usual cutoff points for ETKAC and serum vitamin C and higher than usual cutoff points for EASTAC and EGRAC 99, 95, 92, and 87 per cent of the study subjects exhibited activation coefficients which were compatible with an acceptable status for vitamin B2, B6, C and B1 respectively. A correlation analysis showed a high correlation (r = 0.81) between erythrocyte indicators of B1 and B2 status a lower correlation between indicators of the status of these vitamins and B6 and no correlation between the indicators of B1, B2, and B6 status and serum vitamin C. This study indicated that in this largely nutritionally adequate population, the activation coefficient of the erythrocyte enzymes used here as markers of the nutritional status of B1, B2, and B6 were related between themselves and varied in the same direction. These changes, however, were not associated with circulating levels of vitamin C.


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Ácido Ascórbico/sangre , Complejo Vitamínico B/sangre , Eritrocitos/enzimología , Estado Nutricional , Aspartato Aminotransferasas/sangre , Índice de Masa Corporal , Glutatión Reductasa/sangre , Biomarcadores/sangre , Distribución por Sexo , Estudiantes , Transcetolasa/sangre
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