Xantophylls | Xantophyll powder DEFINITION AND SCOPE The xantophylls are natural pigments added in poultry feed in order to set the colour of the future egg product. PRINCIPLE The test in based on the reading of the absorbance related to the absorption of the xantophylls. COMPOSITION OF THE KIT AND REAGENTS Reagent test kit *300220, suitable for 10 tests, contains: - 1 bag includes 10 pre-filled cuvettes with reagent - Bottle with dispersion solution
Stability / Storage conditions:
Reagent is stable through expiration date if stored at 15-25°C.
SAMPLE AND MEASURING RANGE Xantophylls powder: for the treatment see test procedure
Curve
Measuring range (g/kg of xantophylls)
Sample volume
Xantophylls
1 - 180
5 µL of dispersed sample
Resolution Accuracy Repeatability (g/kg of xantophylls) 1
CALIBRATION CURVE / CORRELATION DATA FoodLab method shows a very good correlation with Official Method.
+/- 5%
CV
