Table 2. Accuracy of retinol, β-carotene, α-tocopherol, and cholesterol analyses
Analytes | SRM1) | Reference value2) | Analytical value3) | Recovery (%) |
Retinol (μg/100 g) | SRM 1849a | 768±23 | 776.29±3.34 | 101.1 |
β-Carotene (μg/100 g) | SRM 3251 | 3640±560 | 3806.54±173.48 | 95.6 |
α-Tocopherol (mg/100 g) | SRM 1849a | 21.9±1.3 | 21.56±0.08 | 98.6 |
Cholesterol (mg/100 g) | SRM 1849a | 13.74±0.29 | 13.81±0.15 | 100.5 |
1)SRM: standard reference materials, SRM 1849a: infant/adult nutritional formula, SRM 3251: saw palmetto.
2)The true value for the contents of corresponding analytes in SRM provided by NIST.
3)The analytical value obtained in this study.