Table 4.
Total and all-trans-β-carotene in test materials Nos. 1–8 measured by LC systems A and B
| Total-β-carotene, mg/dose
|
All-trans-β-carotene, mg/dose
|
|||||
|---|---|---|---|---|---|---|
| Test material (No.) | LC system A | LC system B | Difference, %a | LC system A | LC system B | Difference, %a |
| Multivitamin tablets (1) | 0.725 | 0.743 | 2.5 | 0.625 | 0.629 | 0.5 |
| Softgels with β-carotene in soybean oil (2) | 15.9 | 16.00 | 0.8 | 15.2 | 15.3 | 0.9 |
| Capsules with β-carotene in fish oil (3) | 0.0599 | 0.0599 | 0.0 | 0.0370 | 0.0364 | −1.5 |
| Softgels with β-carotene from carrot oil extract (4) | 6.83 | 6.31 | −7.7 | 4.85 | 4.36 | −10.0 |
| Tablets with β-carotene (5) | 24.6 | 25.1 | 2.4 | 19.5 | 19.5 | −0.4 |
| Capsules with β-carotene (6) | 6.82 | 6.81 | −0.0 | 6.53 | 6.53 | 0.0 |
| Capsules with β-carotene, claim 25 mg β-carotene (7) | 20.7 | 20.9 | 1.2 | 14.9 | 15.0 | 0.6 |
| Beadlets raw material with pure β-carotene (8)b | 199 | 205 | 3.2 | 157 | 158 | 0.7 |
a
Results for LC system A = 100%.
b
Unit is g/kg instead of mg/dose.