Test Price:
$93 per analysis
Acceptable Matrices:
This method is applicable to raw and processed foods, such as baby foods, vegetables, fruits, and juices.
Unacceptable Matrices:
Samples with high levels of salt may not give reliable results.
Detection Limit:
Any concentration greater than 0.04 mg/100 g is detectable.
Sample Size Requirements:
10 grams of sample is needed. Samples should be kept frozen until analysis.
Equipment:
HPLC-UV/VIS
Reportable Units:
mcg RAE/100g
Turnaround Time:
7-9 business days
Is rush testing available?
Yes
Method Reference:
Chromatography of AOAC Method 2005.07. The extraction method was developed internally.
Method Description:
Testing reports values for alpha, cis-beta, and trans-beta Carotene. Following enzymatic digestion designed for foods, the sample is homogenized with tetrahydrofuran in order to extract the carotenoids. The extract is filtered and quantitated using reverse phase HPLC with UV/Vis detection.
Additional Information:
α and ß-carotenes are plant pigments. This method measures the quantity of fortified and natural-occurring α and ß-carotenes in food products. Carotenes and retinol can be added together (as IUs) for the NLEA nutrition label.
High salt content may interfere with the analysis.
Contact Us:
If you have questions about our testing services, please contact us at +1 (800) 245-5615.