Quantitative Bestimmung der Penicillins�ure in pflanzlichen Lebensmitteln

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Quantitative Bestimmung der Penicillins�ure in pflanzlichen Lebensmitteln

subject

Chromatography Chemistry General Chemistry Biochemistry Industrial and Manufacturing Engineering Food Science Biotechnology

description

Es wird ein Verfahren zur quantitativen Bestimmung der Penicillinsaure in pflanzlichen Lebensmitteln (Erbsen, Reis, Haferflocken und Kokosraspeln) angegeben. Als Extraktionsmittel wird ein Gemisch von Dichlormethan/Methanol (1 + 1) benutzt. Die terminale Abtrennung der Penicillinsaure erfolgt durch zweidimensionale Dunnschichtchromatographie. Durch Umsetzung mit Diphenylborsaure-2-ethanolamin in einem Tauchverfahren wird die Penicillinsaure auf der Platte in ein stark fluorescierendes Derivat verwandelt (maximale Emission bei 440–445 nm nach Anregung bei 365–370 nm).

year	journal	country	edition	language
1981-01-01	Zeitschrift f�r Lebensmittel-Untersuchung und -Forschung

https://doi.org/10.1007/bf01042415

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