This method is for the determination of vitamin E in foods and feed. a-tocopherol and a-tocopheryl acetate are forms of Vitamin E. The sample is extracted, saponified and analyzed using colorimetrically.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | None specified in the method. |
| Preservatives: | None specified in the method. |
| Required Preps: | 10g Glass or plastic bottle with Teflon-lined lid |
| Collection Method: | Grab sampling |
| Analytical Methodology: | Colorimetry |
| Documentation: | |
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Vitamin e acetate | C31H52O3 |
58-95-7 |
1.5 |
IU/100g |
| a-Tocopherol | C29H50O2 |
59-02-9 |
1.6 |
IU/100g |
* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.