Silver-Plated Vitamins: A Method of Detecting Tocopherols and Carotenoids in LC/ESI-MS Coupling

In LC/MS, nonpolar substances in the majority of cases cannot be ionized by standard electrospray ionization (ESI) because they obviously lack a site for protonation or deprotonation. The ionization of carotenoids and tocopherols can be greatly enhanced by the addition of silver ions. The Ag+−carote...

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Veröffentlicht in:	Analytical chemistry (Washington) 1998-10, Vol.70 (20), p.4394-4400
Hauptverfasser:	Rentel, Claus, Strohschein, Sabine, Albert, Klaus, Bayer, Ernst
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical, structural and metabolic biochemistry Antioxidants - analysis Beverages - analysis Biological and medical sciences Carotenoids - analysis Chemistry Chromatography, Liquid - methods Coenzymes, vitamins Food industries Fruit and vegetable industries Fundamental and applied biological sciences. Psychology Infant Food - analysis Mass Spectrometry - methods Other biological molecules Perchlorates Reproducibility of Results Research and development. New food products, dietetic foods and beverages Scientific imaging Silver Compounds Vegetables - chemistry Vitamin E - analysis Vitamins
Online-Zugang:	Volltext
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