Mixed Tocopherol Concentrate70%,90%

Product Description
70% Tocopherols Concentrate, Mixed is a brownish-red to pale yellow clear oily liquid; Suspension with small crystalloids is permitted, with special taste and smell; Darkens slowly in air and on exposure to light.
Specifications
Description
Brownish-red to pale yellow clear oily liquid; Suspension with smaller crystalline is permitted. With special taste and smell. Darken slowly in air and on exposure to light.
Identification
Color reaction with HNO
Positive
3
Retention time of main peak in GC
An peak is same as that of reference standard in GC chromatogram
Acid value
≤ 1.0ml
Specific Rotation, [α ]25
≥ +20°
D
Heavy metals (as Pb)
≤ 10 mg/kg
Arsenic*
≤ 3 mg/kg
Pb*
≤ 2 mg/kg
Hg*
≤ 0.1 mg/kg
Cd*
≤ 1 mg/kg
Assay
Total tocopherol
≥ 70%
The percentage of β +γ +δ Tocopherol
In total tocopherol
≥ 80%
Composition in total tocopherol**
D-α -tocopherol
5-15%
D-β -tocopherol
0-10%
D-γ -tocopherol
50-70%
D-δ -tocopherol
20-40%
Compendial requirements
The Tocopherols contained in this product meets all requirements of the relevant monographs of USP and Ph. Eur. When tested according to these compendia.
Storage and Stability
The product may be stored for 18 months from the date of manufacture in the unopened original container at room temperature.
It should be protected from light, heat, oxygen and moisture. Keep the container tightly closed. Once opened, use contents quickly.
Uses
As an antioxidant in oil and fat, fry and unsaturated fatty acid.
Safety
This product is safe for the intended use. Avoid ingestion, inhalation of dust or direct contact by applying suitable protective measures and personal hygiene.
See Material Safety Data Sheet for full safety information.
The country of origin
China