Determination of trans-galactooligosaccharides in selected food products by ion-exchange chromatography: collaborative study.
Eleven collaborating laboratories assayed 7 blind duplicate pairs of food and feed products for tans-galactooligosaccharides. The 7 laboratory sample pairs ranged from low (2%) to high levels (15%). Following the proposed method, the test samples were treated with beta-galactosidase and the released galactose was determined by ion-exchange chromatography. Repeatability standard deviation ranged from 2.9 to 11.6%; reproducibility standard deviation ranged from 4.6 to 11.6%.
de Slegte
Jaap
J
Friesland Coberco Dairy Foods, Corporate Research, Deventer, The Netherlands. j.deslegte@fcdf.nl
D002852:Chromatography, Ion Exchange; D005504:Food Analysis / Q000379:methods*; D009844:Oligosaccharides / Q000032:analysis*
D009844:Oligosaccharides