Materias
(55)
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NDAW, S., Autor ; AOUDÉ-WERNER, D. , Autor ; BERGAENTZLE, M., Autor ; HASSELMANN, C., AutorTreatment with a mixture of enzymes (a-amylase, papain and acid phosphatase) led to the release in a single step of the different forms (phosphorylated and protein-bound) of the vitamins B1, B2 and B6 present in various food samples, not supplem[...]texto impreso
An ion-pair reversed-phase high-performance liquid chromatographic (HPLC) method for the separation and simultaneous determination of thiamine HCl (vitamin B1), riboflavin (vitamin B2), nicotinamide, pyridoxine HCl (vitamin B6), cyanocobalamin ([...]texto impreso
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The total vitamin C amount in different food and plasma samples was determined by a dual detection system, after HPLC separation, with direct detection of ascorbic acid and indirect fluorimetric detection of dehydroascorbic acid after a post-col[...]documento electrónico
El objetivo del presente trabajo experimental fue el estudio del comportamiento de distintas cepas de microorganismos al ser sometidas a condiciones de crecimiento en presencia de vitaminas, con la finalidad de observar desviaciones con respecto[...]documento electrónico
KAREN W. PHINNEY, Autor ; RIMMER, CATHERINE, Autor ; JEANICE BROWN THOMAS, Autor ; SANDER, LANE C., Autor ; SHARPLESS, KATHERINE E., Autor ; WISE, STEPHEN A., AutorVitamins are essential to human health, and dietary supplements containing vitamins are widely used by individuals hoping to ensure they have adequate intake of these important nutrients. Measurement of vitamins in nutritional formulations is ne[...]documento electrónico
PAPADOYANNIS, I. N., Autor ; TSIONI, G. K., Autor ; SAMANIDOU, V. F., Autor | 1997An automated reversed phase high performance liquid-chromatography (W-HPLC) method is described, for the simultaneous analysis of water soluble [ascorbic acid (C).nicotinic acid, nicotinamide. folic acid, cyanocobalaniine (BIZ).and riboflav[...]texto impreso
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A reversed-phase high-performance liquid chromatographic method is described for a stability-indicating assay of folic acid in multivitamin preparations. This method shows excellent recovery and precision characteristics, allows the determinatio[...]texto impreso
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R. PASSMORE, Autor ; B. M. NICOL, Autor ; M. NARAYANA RAO, Autor ; G. H. BEATON, Autor ; E. M. DEMAEYER, Autor | Roma [ITALIA] : FAO | Estudios Sobre Nutrición | 1975Este manual presenta las recomendaciones específicas que sobre ingestas de nutrientes han formulado los grupos de expertos y responde al propósito de presentar un comentario escrito en un lenguaje que es de esperar sea comprensible para los admi[...]documento electrónico
CAPRA, GUSTAVO, Autor ; MARTINEZ, R., Autor ; FRADILETTI, FLORENCIA, Autor ; COZZANO, SONIA , Autor ; REPISO, LUIS, Autor ; MÁRQUEZ, ROSA, Autor ; F. IBÁÑEZ, Autor | 2013The aim of this study was to evaluate production performance, carcass characteristics and nutritive value of meat of rabbits reared under the 2 prevailing feeding strategies in Uruguay. One week after weaning, 96 purebred V line rabbits were ran[...]texto impreso
DE LEENHEER, ANDRE P., Autor ; LAMBERT, WILLY E., Autor ; VAN BOCXLAER, JAN F., Autor | Nueva York [ESTADOS UNIDOS] : Marcel Dekker | Chromatographic Science Series | 2000texto impreso
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An isocratic ion supression reversed phase method is utilized for the qualitative and quantitative determination of l-ascorbic acid in fresh fruit juices complex sample matrices. The selectivitiy of the method, when a macroreticular poly (styren[...]texto impreso
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A simplified approach involving saponification is described for situations in which this route is favoured over total lipid extraction. Sample preparation is completed in a single test-tube, within 45 min, followed by injection and quantificatio[...]texto impreso
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An automated reversed phase high performance liquidchromatography (W-HPLC) method is described, for the simultaneous analysis of water soluble [ascorbic acid (C). nicotinic acid, nicotinamide. folic acid, cyanocobalaniine (BIZ). and riboflavin ([...]texto impreso
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ÚRSULA WOLWER-RIECK, Autor | 2012The plant Stevia rebaudiana is well-known due to the sweet-tasting ent-kaurene diterpenoid glycosides. Stevioside and rebaudioside A are the most abundant and best analyzed, but more than 30 additional steviol glycosides have been described in t[...]