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Convenient synthesis of lactuloselysine and its use for LC-MS analysis in milk-like model systems.
Vinale, F; Monti, S M; Panunzi, B; Fogliano, V.
Afiliación
  • Vinale F; Dipartimento di Scienza degli Alimenti, Università degli Studi di Napoli "Federico II", Parco Gussone, 80055 Portici, Napoli, Italy.
J Agric Food Chem ; 47(11): 4700-6, 1999 Nov.
Article en En | MEDLINE | ID: mdl-10552875
The synthesis of the Amadori product lactuloselysine [N(epsilon)-(1-deoxy-D-lactulosyl-1)-L-lysine] was obtained starting from FMOC-lysine-OH (N(alpha)-9-fluorenylmethoxy-carbonyl-N(epsilon)H(2)-L-lysine-OH) and lactose. Compound identity was confirmed by MALDI-ToF, electrospray, and NMR analysis. A selective LC-MS procedure which allowed the detection of lactuloselysine up to 10 ng mL(-)(1) was set up and used to follow the formation of the compound in a lactose-lysine model system; quantification of this molecule after complete enzymatic hydrolysis of whey-proteins from milk samples was also performed.
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Leche / Lactulosa Límite: Animals Idioma: En Revista: J Agric Food Chem Año: 1999 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Estados Unidos
Buscar en Google
Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Leche / Lactulosa Límite: Animals Idioma: En Revista: J Agric Food Chem Año: 1999 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Estados Unidos