Colour of the Egg and Egg Products
The colour is an important quality control parameter for eggs. It allows to determine the category of the eggs and eggproducts. The test is based on the photometric reading of the absorbance of the beta-carotene, a pigment naturally present in eggs.
CDR FoodLab® simplifies and speeds up the traditionally used procedures enabling to perform many analyses, in few time and with small quantities of sample as is.
Systems to test Colour (beta-carotene) in eggs products and eggs
 CDR FOODLAB® |  CDR FOODLAB® JUNIOR | |
|---|---|---|
| Analyses | Butyric Acid L-Lactic Acid Cholesterol Colour Total Acidity Xanthophylls | Configuration with tailored panel of analyses |
| Simultaneous Sample Analyses | 16 | 3 |
| Multiple Analyses on a Sample |  | – |
Method
Test type: End Point
Test time: 5 minutes
It is possible to carry out several test sessions with a maximum of 16 samples
Test principle
The test is based on the photometric reading of the absorbance of the beta-carotene.
Calibration Curve
The method of CDR FoodLab® shows a very good correlation with the reference method.
Reagent test Kits
The reagents are packaged in foil pouches containing 10 tubes useful to perform 10 analyses.
This is the minimum package that allows the use of CDR systems even to those who need to make a few analyses, thus not wasting reagents.
There are also boxes of 100 tests, however, packaged in 10 bags of 10 tubes containing the reagent.
Reagent Kit for testing colour on eggs
Codice *300295 suitable for 10 tests.
Codice *300290 suitable for 10 tests.
Reagent Kit for testing colour on powder eggs
Codice *300795: suitable for 10 tests.
Codice *300790: suitable for 100 tests.
Reagents shelf life: 12 months
Processing – Sample Volume – Measuring Range
Egg Products: for yolk and mix collect the sample as is, without any treatment.
| Test | Measuring range (ppm of β-carotene) | Sample volume | Resolution (ppm of β-carotene) | Repeatability |
|---|---|---|---|---|
| Colour | 1,0 – 180,0 | 50 µL | 0,1 | 1 ppm |
