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Related to betacarotene: cholecalciferol, nicotinamide


a yellow or red pigment found in many dark green, leafy, and yellow vegetables such as collards, turnips, carrots, sweet potatoes, and squash, as well as in yellow fruit, milk, egg yolk, and body fat; it is a chromolipoid hydrocarbon existing in four forms (α-, β-, γ-, and δ-carotene), which can be converted into vitamin A in the body.
beta carotene
1. the β isomer of carotene.
2. a preparation of this substance administered orally to prevent vitamin A deficiency and to reduce photosensitivity in patients with erythropoietic protoporphyria. Written also betacarotene and β-carotene.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
References in periodicals archive ?
Their high betacarotene content and antioxidant effects make them an excellent defence against cancer.
In a randomized placebo-controlled trial of 29,133 men, vitamin E (50 mg/day) over a median of 6 years did not reduce the incidence of hospital-treated pneumonia (relative risk 1.00), nor did supplementation with 20 mg/day of betacarotene (relative risk 0.98), said Dr.
Cyanotech was pursuing development of spirulina, a separate biofertilizer product for the home lawn market, and the anti-oxidant betacarotene, while simultaneously conducting research under contract to American Cyanamid Corp.
Once someone varies their diet so they are not consuming so much betacarotene, the colour of the skin returns to normal.
The Italian total diet provided 14.3 mg/person/day of carotenoids; lycopene was the highest (7.4 mg/day), followed by lutein + zeaxanthin (4 mg/day), betacarotene (2.6 mg/day), alpha-carotene (0.15 mg/day), and beta-cryptoxanthin (0.17 mg/day).
The Buzz: "A significantly more potent antioxidant than vitamins C, E and betacarotene," says Dry Creek Nutrition of Modesto, California of its patented grape seed (Vitis vinifera) extract, called ActiVin.
Vitamin A can be toxic at very high doses, so taking Betacarotene is the safer option.
After adjusting for age, smoking and consumption of fat and betacarotene (a carotenoid), the researchers found that men who had ingested more than 795 milligrams of cholesterol daily ran nearly double the lung cancer risk of those eating less than 605 mg/day.
3 IT contains the essential oil piperine which can increase the absorption of selenium, B vitamins and betacarotene, as well as other nutrients from the food.
3 IT is full of antioxidants such as vitamin C and betacarotene. Antioxidants provide your body's cells with defence against free radical damage.