$93 per analysis
Sample Size Requirements:
High-Performance Liquid Chromatography with UV-VIS detector
7-9 business days
Is rush testing available?
The sample is extracted using saponification in basic solution, neutralized, diluted, and cleaned up. The extract is then separated using High-Performance Liquid Chromatography and the vitamin A content quantitated by UV-VIS detection.
Information Required by Submitter:
Please indicate high fat or concentrated samples.
Samples of vitamin concentrates should be clearly labeled.
This test is ISO/IEC 17025 accredited through A2LA, Certificate # 2769.01.
This method determines the quantity of vitamin A in food products that include fortified (retinyl palmitate) and naturally-occurring forms of vitamin A (retinol and retinyl acetate).
Carotenes and retinol may be added together for the NLEA nutrition label declaration of vitamin A content.
If you have questions about our testing services, please contact us at +1 (800) 245-5615.