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Search term:"milk proteins"

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5 matches found for milk proteins

HPLC Analysis of Milk Proteins on HiTrap® SP

column HiTrap SP, 1 mL (54817) mobile phase [A] 50 mM sodium acetate, pH 6.0; [B] 50 mM sodium acetate/1.0 M sodium chloride, pH 6.0 flow rate 1 mL/min injection 0.5 mL filtered casein-precipitated human milk (buffer exchanged to mobile phase A) detector UV, 280 nm Categories Analytical Chromatograp...

HPLC Analysis of Caseins on BIOshell™ A400 Protein C4

column BIOshell A400 Protein C4, 10 cm x 2.1 mm I. D., 3.4 µm particles (66825-U) column temp. 50 °C mobile phase [A] 80:20 Water (0.1% trifluoroacetic acid): Acetonitrile (0.1% trifluoroacetic acid); [B] 20:80 Water (0.1% trifluoroacetic acid): Acetonitrile (0.1% trifluoroacetic acid) gradient 20 t...

Application Notes: Reflectometry – Iron in Milk Powder and Milk

Reflectometric determination after reaction with Ferrospectral® Reagents Catalog No. 116982 Reflectoquant® Iron Test Catalog No. 117246 Reflectometer RQflex® 20 Catalog No. 100456 Nitric acid 65 % Catalog No. 100630 Nitric acid 10 mol/l, Titripur® Catalog No. 1831 Ascorbic Acid, e.g. Calbiochem® Fol...

LC/MS Analysis of Aflatoxin M1 in Milk on Ascentis® Express HILIC after SPE using Supel™ Tox AflaZea, Quantifying Picogram Concentrations

sample preparation SPE (Solid Phase Extraction) sample preparation reconstitut in 500 µL 20:80 acetonitrile:water, filter into 750 µL poly vial using PVDF filter, 0.2 µm sample/matrix cow milk extraction process centrifuge 45 g liquid milk for 60 min at 5000 rpm (RCF 4863 xg), cool at 0 °C for 30 mi...

Determination of Water Content in Oil Samples Using Karl Fischer Titration Following DIN EN ISO 8534:2017

The water content has an important role in the quality and the shelf life of most food products. But how can we determine specifically the water content, in all its forms, but without any other decomposition products? It can either be done with big and expensive instrumentation (for example GC, NMR,...