Product Introduction
D-α-Tocopherol is a light yellow viscous oily liquid, odorless and tasteless. It is insoluble in water, soluble in ethanol, ether, acetone, chloroform and grease. The molecular formula is C29H50O2. The density is 0.93. Melting point is 2.5-3.5ºC. Boiling point is 200-220ºC (0.07501 mmHg). The flash point is 253ºC. It is prepared from 1,2,4-trimethylbenzene as raw material through iodination, nitration, reduction and oxidation to obtain 2,3,5-trimethylbenzoquinone, and then reduction and condensation with phytol.
Main Functions
Tocopherol is actually an antioxidant. The antioxidant effect can maintain the stability of genetic material and prevent chromosomal structural variation. So it can help many of our systems to maintain their own activity, such as:
1. Maintain elasticity of skin and connective tissue
2. Promote blood circulation and regulate the normal secretion of hormones in the body
3. Protect the function of skin and mucous membranes, make it healthy and moisturizing
4. Nourishes hair follicles to ensure black hair
5. Delay Alzheimer's disease and maintain normal reproductive function
6. Mostly used in obstetrics and gynecology because it is an antioxidant. It prevents habitual and threatened miscarriages, as well as menopausal syndrome.
But tocopherol is also a drug, so it should not be taken too much for a long time. It also has its own side effects. Dizziness, etc.
COA
Item | Specification | Result | Method |
Assay | ≥67.1% ≥1000 IU | 68.1% 1015 IU | USP |
Physical & Chemical Data | |||
Appearance | The liquid forms are clear, brownish red to slight yellow, oily. | Conforms | Organoleptic |
Analytical Quality | |||
Identification 1. Color Reaction 2. Specific Rotation 3. Retention Time | 1. Positive | Positive | USP |
| 2. ≥+24° | +24.6° | USP<781> | |
| 3. The retention time of the major pear in the test solution is the same as that of the standard preparation. | Conforms | USP | |
Acidity | ≤1.0 ml | 0.04ml | USP |
*Benzo(a)Pyrene | ≤2ppb | <2ppb | GC-MS |
Solvent residue-Toluene | ≤890 ppm | 4ppm | USP<467> |
Heavy Metals (As Pb) | ≤10 mg/kg | Conforms | USP <231>II |
Arsenic(As) | ≤1mg/kg | <1mg/kg | AFS |
Lead(Pb) | ≤1mg/kg | <1mg/kg | AAS |
Mercury(Hg) | ≤0.1mg/kg | <0.1mg/kg | AFS |
Cadmium(Cd) | ≤1mg/kg | <1mg/kg | AAS |
Microbiological Tests | |||
Aerobic Plate Count | ≤1000cfu/g | Conforms | USP<61> |
Yeast & Molds | ≤100cfu/g | Conforms | USP<61> |
Escherichia Coli | <10cfu/g | Conforms | USP<62> |
Salmonella | Negative/25g | Negative | USP<62> |
Staphylococcus Aureus | Negative/10g | Negative | USP<62> |
Conclusion | Conform with specification | ||
D-alpha Tocopherol Oil Uses and Benefits
Effect on women: It can improve human reproductive capacity, not only can promote the secretion of sex hormones in the human body, but also can significantly increase the amount of estrogen in women's bodies, and can also improve ovarian and uterine function;
2. Effects on men: It is beneficial to promote sperm production and improve sperm motility;
3. Other effects: It also has super antioxidant capacity, which can improve the toughness and elasticity of human blood vessels, prevent vascular aging, dilute blood, prevent platelets from clumping together, effectively prevent the formation of blood clots, and delay aging. , reduce ultraviolet rays and other effects on human skin.
However, excessive use can also cause adverse reactions including headache, dizziness, fatigue, bleeding, as well as abdominal pain, diarrhea, intestinal cramps, etc. It can be seen that rational use is the key.
Our Certificates
We have passed SC certificate, ISO9001, IQNET9001, ISO22000, IQNET22000, CQC22000, Halal, and Kosher certificates, also we have gotten FSSC22000 and GMP.

Our Factory
Xi 'an DN Biological Co., LTD is a high-technology company with 15 years producing experience, which is devoting ourselves on the extraction of effective ingredients from natural Chinese herbal medicines, and natural plants are applied to food, function food, dietary complement, cosmetics, health products and so on filed. We make efforts to become the best function food solution provider in the world.

Why Choose Us?
1. Currently we have two factories. A GMP implementation standard factory with a 100,000-level purification workshop, and a fine processing workshop covering an area of 400 square meters.
2. Now we have Halal/kosher/SC/ISO9001/ISO22000 certificate
3. The professional team will provide you with perfect after-sales service.
4. Professional laboratories provide you with various tests.
5. Customize production for customers according to customers' quality and price of products.

We are committed to providing the best product solutions. If you’d like to buy D-alpha Tocopherol Oil, please contact us at info@dnbiology.com. Products in various specifications, or customized according to customer needs.
Why choose us?
- We offer flexible payment options for our Vitamin products to meet our customers' needs.
- In the past years, we have been forging ahead with integrity and pragmatism, forging ahead with determination and innovation.
- We provide prompt and efficient delivery of our Vitamin products to any destination worldwide.
- We promise to provide every customer with the most exquisite D-alpha Tocopherol Oil that made by our professional production team under rigorous working attitude, as well as with the wholehearted service.
- We collaborate with professional organizations and experts in the field to ensure our Vitamin products meet the highest standards of quality and safety.
- We make our company's management activities and each process stage in a controlled state, to ensure the continuous and effective operation of the quality management system.
- Our well-trained staff ensures fast, efficient service for our customers.
- Our company focuses on customers and is willing to solve problems for customers, and provide support and after-sales service in consideration of customers' various needs. We actively introduce excellent professional and technical personnel, improve testing methods, develop new products, and continuously enhance the stamina of the company' s development.
- Our Vitamin products are competitively priced, making them an affordable option for anyone looking to improve their health and wellbeing.
- We are looking forwards to establishing long-term business relationships with worldwide customers.
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