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d-alpha tocopherol is a light yellow to brownish red, clear, viscous oil. It has a mild, characteristic odour and taste, and its biological avtivity is three times higher than synthetic VE.
Item | standard | ||||
appearance | Brownish red oil | ||||
Acidity | ≤1.0ml | ||||
Potency,IU/g | 1000IU | 1100IU | 1200IU | 1300IU |
|
d-a-tocopherol , min | 67.1% | 73.82% | 80.54% | 87.25% |
|
Heavy metals (as Pb) | ≤10ppm | ||||
Specific rotation, [a]d25,degrees | ≥+24 | ||||
vitamin e (d-alpha-tocopherol)