D-Delta Tocopherol Concentration (Natural Vitamin E)

D-Delta Tocopherol [Product Introduction] D-delta-mixed tocopherols concentrate contains at least 70% D-delta-tocopherol that are derived from naturla mixed tocopherols. The product is a reddish-brown to light yellow clear oily liquid, suspension with smaller crystalline is permitted, with special tast and smell. Used as antioxidant and nutrient in food additives.  It's insoluble in water, soluble in ethanol, miscible with acetone, chlorofomr, ether and vegetable oil.  [Physical and Chemical Properties] Appearance: reddish-brown to light yellow clear oily liquid Assay: 70%   Test Items   Specification   Appearance   Brown red to light yellow clear oily liquid  It may show a slight separation of waxlike  constituents in microcrystalline form.   Identification     Color reaction   Positive   Retention time   The principal peak in the chromatogram       obtained with the test solution is…

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