alpha-tocopherol

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α-to·coph·er·ol (α-T),

(tō-kof'ĕr-ol),

One of several forms of vitamin E. A light yellow, viscous, odorless, oily liquid that deteriorates on exposure to light, is obtained from wheat germ oil or by synthesis, biologically exhibits the most vitamin E activity of the α-tocopherols, and is an antioxidant retarding rancidity by interfering with the autoxidation of fats.

Synonym(s): vitamin E (1)

Farlex Partner Medical Dictionary © Farlex 2012

alpha-tocopherol

(ăl′fə-tō-kŏf′ə-rôl′, -rōl′)

An alcohol, C₂₉H₅₀O₂, that is one of the components of vitamin E and is present in vegetable oils, nuts, and seeds or produced synthetically. It is the predominant form of vitamin E in the human body and in supplements.

α-to·coph·er·ol

(tŏ-kof'ĕr-ol)

One of several forms of vitamin E. A light yellow, viscous, odorless, oily liquid that deteriorates on exposure to light, is obtained from wheat germ oil or by synthesis; an antioxidant retarding rancidity by interfering with autoxidation of fats.
Synonym(s): vitamin E (1) .

Medical Dictionary for the Dental Professions © Farlex 2012

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References in periodicals archive ?

As the literature supported the protective role of a-tocopherol, we employed it against CYP-induced ovarian toxicity in group C to imitate moderate ovarian damage.11 Aiming to exploit the potential impact of acute ovarian damage on follicular dynamics and serum AMH production, we were able to study three levels of OR; normal (group A and D), moderately decreased (group C) and severely decreased (group B).

Predictive accuracy of anti mullerian hormone as indicator of ovarian follicle loss in cyclophosphamide treated mice

pseudo-cajan proved excellent antioxidants as compared with BHT whereas the stem extracts showed their closeness with the a-Tocopherol (Fig.

Ethnopharmacological Investigation of Rhynchosia pseudo-cajan: A Perennial Shrub for Various Activities

(2015) which reports 11.61 [+ or -] 0.08 (mg 100g-1) tocopherols, the most significant being the a-tocopherol and 11.40 [+ or -] 0.40 (pg 100g-1) of carotenoids in this oil.

Chemical quality of baru almond (Dipteryx alata oil)/Qualidade quimica do oleo da amendoa de baru (Dipteryx alata)

a-and d-tocopherol induce expression of hepatic a-tocopherol transfer-protein mRNA.

Relationship between Vitamin Composition and Spermatological Characteristics in Semen of Different Ram Breeds of Turkey

VITAMIN E FOOD SOURCES SERVING VITAMIN E (MG) (*) Wheat Germ Oil 1 T 20.3 Almonds 1/2 c 16.5 Sunflower Seeds 1/4 c 12.3 Sunflower Oil 1 T 5.8 Tomato Puree 1 c 4.9 Spinach (chopped, cooked) 1/2 c 3.4 Butternut Squash (cubed) 1 c 2.6 Canola Oil 1 T 2.4 Broccoli (cooked) 1 c 2.4 Canned Tuna 3 oz 2.0 Olive Oil 1 T 1.9 Shrimp (cooked) 3 oz 1.9 Mango (sliced) 1 c 1.5 Asparagus 1/2 c 1.4 Avocado 1/2 fruit 1.3 (*) Since only a-tocopherol is measurable in human blood, intake recommendations are based on o-tocopherol.

Vitamin E on the brain: Vitamin E-rich foods may help keep your brain sharper as you age

The concentration of a-tocopherol in the blood plasma of patients of the second group was significantly higher (19.7 [+ or -] 1.10 mkmol/L and 15.6 [+ or -] 0.71 mkmol/L respectively, p<0.01) compared to the control group.

Lipid peroxidation and antioxidant protection in patients with papulopustular rosacea

In the European Union, adult recommendations previously ranged from 4 to 25 mg a-tocopherol equivalents (a-TE)/day for men and from 3 to 12 mg a-TE/day for women.

DSM comments on EFSA review of vitamin E

To test for specificity of LBE-induced ROS formation, the HT-29 cells were co-treated with LBE and one of the following anti-oxidants, N-acetyl cysteine, glutathione, a-Tocopherol or ascorbic acid, with results demonstrating significant reduction in ROS formation.

Anti-carcinogenic effects of lemon balm in colon cancer cells

The entrapment efficiencies of a-tocopherol in the polymeric matrix were approximately 89% and 95% for nanoparticles with an 8% and 16% [alpha]-tocopherol theoretical loading, respectively.

Entrap nanoparticles with [alpha]-tocopherol for controlled release

In recent studies on rats subjected to 24-h UUO followed by 2 h post-release period, it was observed that a-tocopherol as the most potent lipidsoluble antioxidant could prevent oxidative stress in the POK.

Combination therapy with losartan and [alpha]-tocopherol in acute ureteral obstruction-induced renal excretory dysfunction and acidification defect

The results obtained with a-tocopherol in the similar series of tests are also specified.