Natural D-Alpha-Tocopherol Liquid 1000 IU/g CAS 59-02-9 Food Grade Vitamin E Oil Plant-Sourced Fat-Soluble Vitamin
NATURAL D-ALPHA-TOCOPHEROL
LIQUID 1,000 IU/g
Natural D-Alpha-Tocopherol is the biologically most active form of Vitamin E, present as the single natural RRR stereoisomer. Unlike synthetic Vitamin E (all-rac-α-tocopherol, a mixture of eight stereoisomers), the natural form consists exclusively of the RRR configuration — the exact molecular structure that the human body preferentially absorbs and retains. This product is isolated from vegetable oil deodorizer distillate, a natural source, and standardized to 1,000 IU per gram (≡ 67.1% D-α-tocopherol content). Supplied as a clear, viscous golden-brown oily liquid, it is a ready-to-use raw material for softgel supplements, fortified foods, cosmetics, and multi-vitamin premix systems. The natural RRR form delivers the highest biological potency among all Vitamin E forms, making it the preferred choice for premium formulations.
TECHNICAL SPECIFICATIONS
EVIDENCE & CERTIFICATES
1. HPLC Potency & RRR Isomer Verification
Every batch is tested by HPLC to confirm ≥ 1,000 IU/g (≡ 67.1% D-α-tocopherol). The single RRR stereoisomer profile, distinct from synthetic all-rac mixtures, is documented on the batch-specific COA.
2. Optical Purity Confirmation (Specific Rotation ≥ +24°)
Specific rotation ≥ +24° confirms the natural RRR configuration, providing an independent physical verification of the natural isomer purity in addition to chromatographic identity.
3. HALAL, KOSHER & ISO 22000 Certification
Produced in ISO-certified facilities with full HALAL and KOSHER documentation. Nitrogen-flushed, light-protective sealed packaging is verified per batch to preserve potency during transport and storage.
PRODUCT HIGHLIGHTS
Single RRR Isomer — The Biologically Preferred Form
Vitamin E exists in eight stereoisomeric forms. The natural RRR-α-tocopherol is the only form produced by plants and the form the human body preferentially recognizes, absorbs, and retains. Synthetic all-rac-α-tocopherol is a racemic mixture of all eight isomers; in the liver, only the 2R-stereoisomers (including RRR) are transferred into the bloodstream via the α-tocopherol transfer protein. The natural RRR form therefore carries the highest biological activity per unit weight.
1,000 IU/g — Industry-Standard Potency
The 1,000 IU/g concentration (67.1% D-α-tocopherol) is the global benchmark concentration for natural Vitamin E in softgel and capsule manufacturing. One IU is defined as 1 mg of all-rac-α-tocopheryl acetate; the natural RRR form delivers approximately 1.36 IU per mg — higher biological activity per milligram than the synthetic form.
Isolated from Vegetable Oil — Plant-Based Source
The natural tocopherol is isolated from vegetable oil deodorizer distillate — a by-product of commercial vegetable oil refining. This plant-derived origin distinguishes it from synthetic Vitamin E manufactured from petrochemical intermediates, supporting plant-based and clean-label product positioning.
Optical Purity Verified by Specific Rotation
Specific rotation ≥ +24° provides physical confirmation of the natural RRR stereochemistry. This independent optical measurement complements HPLC analysis, giving formulators documented assurance of the natural isomeric form in each batch.
FUNCTIONAL ROLES
1. Softgel & Dietary Supplement Feedstock
Standardized oil feedstock for softgel encapsulation and oil-based dietary supplements, delivering the biologically most active natural Vitamin E form per capsule.
2. Oral Drop & Liquid Formulation Ingredient
Ready-to-use viscous oil for oral drop formulations, providing precise IU-level dosing in consumer-friendly liquid Vitamin E products.
3. Lipid-Phase Food Fortification
Oil-based format compatible with fat-containing food matrices for Vitamin E fortification in accordance with applicable food regulations.
4. Lipophilic Antioxidant Premix Component
Incorporated into multi-vitamin oil premixes and cosmetic oil-phase formulations, serving as both an active Vitamin E source and a natural antioxidant protecting lipid systems.
INDUSTRIAL APPLICATIONS
1. Dietary Supplements
Softgel capsules and oral liquid drops — the dominant delivery formats for premium natural Vitamin E in the consumer supplement market.
2. Food Fortification
Fortified edible oils, dairy products, margarine, and formulated nutritional foods where Vitamin E fortification is specified.
3. Cosmetics & Personal Care
Used in skin care oils, creams, serums, and lip products for its antioxidant and skin-nourishing properties in oil-phase formulations.
4. Multi-Vitamin Premixes
Blended into oil-soluble multi-vitamin premix systems alongside Vitamins A, D, and K for food and supplement manufacturing.
TECHNICAL FAQ
Q1: What is the difference between Natural (RRR) and Synthetic (all-rac) Vitamin E?
A: Natural D-α-tocopherol is a single stereoisomer (RRR), while synthetic all-rac-α-tocopherol is a mixture of eight stereoisomers. The human liver preferentially incorporates the 2R forms (including RRR) into lipoproteins for tissue delivery; the non-2R isomers are largely excreted. The natural RRR form therefore has approximately 1.36 times the biological activity of the same mass of the synthetic form.
Q2: What does 1,000 IU/g mean for this product?
A: 1,000 International Units per gram, equivalent to 67.1% D-α-tocopherol content. The IU is a biological activity unit: 1 mg of natural RRR-α-tocopherol is defined as 1.49 IU. At 1,000 IU/g, one gram of this liquid provides 1,000 IU of biologically active natural Vitamin E — approximately 10 standard 100 IU softgel servings.
Q3: Why is the liquid brownish in color — is this normal?
A: Yes, the golden-brown to amber color is inherent to concentrated natural tocopherols. The color intensity is a normal physical characteristic of the oil at 67.1% concentration. The product remains stable when stored in sealed, nitrogen-flushed containers away from light and heat.