How To Use Beta-carotene In A Sentence
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When there is sufficient vitamin A in the body, the conversion of alpha-carotene and beta-carotene to vitamin A ceases.
Forever Young
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Foods like yams and cantaloupe that tend to be high in beta-carotene are other beneficial additions to your diet.
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The idea of the study was trying to identify genes that are associated with increased levels of beta-carotene, which is a provitamin A compound, and that means when humans consume it, the beta-carotene can be metabolized into vitamin A," said Salas-Fernandez.
PhysOrg.com - latest science and technology news stories
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Consider antioxidant supplements such as resveratrol, grape seed extract, quercetin, pycnogenol or citrus bioflavonoids, as well as beta-carotene and vitamins C and E. And drink red wine in small quantities.
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Two years later, Lederer discovered a third form of carotene, which he and Kuhn called gamma-carotene. alpha-carotene beta-carotene
Richard Kuhn and the Chemical Institute: Double Bonds and Biological Mechanisms
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If this were the case, increased intake of beta-carotene would not be expected to protect against disease since it was a biomarker of some other process and not indicative of low dietary intake.
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At elevated oxygen pressures, beta-carotene loses its antioxidant activity and shows an autocatalytic pro-oxidant effect.
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(beta-carotene, for example, significantly rotates the plane of polarized light, while alpha - and gamma-carotene are optically inactive).
Richard Kuhn and the Chemical Institute: Double Bonds and Biological Mechanisms
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Two years later, Lederer discovered a third form of carotene, which he and Kuhn called gamma-carotene. alpha-carotene beta-carotene
Richard Kuhn and the Chemical Institute: Double Bonds and Biological Mechanisms
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Beta-carotene, lutein, and lycopene comprise the carotenoid antioxidants.
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Moreover, it found that beta-carotene (an antioxidant) supplements increase the risk of smoking-related cancers.
Times, Sunday Times
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The carotenoid compounds, including beta-carotene, are essential components of our diets, acting as precursors to the chromophoric molecule rhodopsin, the pigment of vision.
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The antioxidant brigade is led by Vitamin C, followed by dogged foot-soldiers including beta-carotene, beta-cryptoxanthin, quercitin, ferulic acid and kaempferol, all of which not only fight cancer but assist the body in its detoxification activities.
Neil Zevnik: Cauliflower: Cinderella for Christmas
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Patients with low levels of beta-carotene, which the body converts to vitamin A, were 21 times more likely to be HIV-positive.
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The study supports the recommendation of a safe limit to the amount of vitamin A intake for women and confirms that toxicity is not a concern with provitamins such as beta-carotene.
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When the fish near market size, farmers add astaxanthin, a pigment similar to beta-carotene, to their feed to give their gray flesh a salmony pinkish glow.
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Foods high in beta-carotene include yellow-orange vegetables such as carrots, yams, squash, pumpkin, paprika, cayenne pepper and turnips.
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Your body can convert alpha-carotene and beta-carotene into vitamin A.
The Most Complete Food Counter, 2nd Edition
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The antioxidant brigade is led by Vitamin C, followed by dogged foot-soldiers including beta-carotene, beta-cryptoxanthin, quercitin, ferulic acid and kaempferol, all of which not only fight cancer but assist the body in its detoxification activities.
Neil Zevnik: Cauliflower: Cinderella for Christmas
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Broccoli is packed with vitamin C, beta-carotene, indole, glutathione and lutein, and is also a rich source of the trace metal chromium, which is a life extender and protects against the ravages of out-of-control insulin and blood sugar.
Anti-ageing Foods
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Green Magma also contains the antioxidants alpha-carotene, beta-carotene, vitamin C, vitamin E succinate, superoxide dismutase SOD, catalase, and chlorophyll.
Forever Young
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And if you cut a carrot crosswise, the slices resemble the human eye, with a pupil, iris and lines radiating outward -- and carrots contain beta-carotene, which is important for eye health.
Lisa Turner: Good Vibrations: Food Energy Beyond Calories
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Those taking beta-carotene had 13 percent fewer cancer deaths and 9 percent fewer deaths overall.
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Excessive amounts of beta-carotene may somehow block the beneficial effects of one or more of the other nutrients.
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Pink and red grapefruit are colored by lycopene, and red sweet oranges by a mixture of lycopene and beta-carotene and by cryptoxanthin.
On Food and Cooking, The Science and Lore of the Kitchen
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Today the term antioxidant usually encompasses vitamin C, vitamin E, beta-carotene and other related carotenoids, as well as the minerals selenium and manganese, which are needed by several free-radical-destroying enzymes in order to work properly.
Eat, Drink, and Be Healthy
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Those taking beta-carotene had 13 percent fewer cancer deaths and 9 percent fewer deaths overall.
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No discussion of foods that renew, repair, and rejuvenate would be complete without the most significant sources of the carotenoids, both those found in microalgae and fish such as salmon (astaxanthin) and those found in plants (lycopene, lutein, zeaxanthin, alpha-carotene, and beta-carotene).
Forever Young
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Like other orange veggies, such as sweet potatoes and carrots, pumpkin is rich in the carotenoids alpha-carotene and beta-carotene.
The Seattle Times
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Beta-carotene is a nutrient found in yellow and orange vegetables and fruit that can be converted to vitamin A in the body.
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Green Magma also contains the antioxidants alpha-carotene, beta-carotene, vitamin C, vitamin E succinate, superoxide dismutase SOD, catalase, and chlorophyll.
Forever Young
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Other risk factors include deficiencies in vitamin A, beta-carotene, vitamin C, and folic acid.
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A cup of matcha contains 70 times the antioxidants of a cup of orange juice and nine times the beta-carotene of a serving of spinach.
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Green Capsicums contain lutein and zeaxanthin which help age-related eye problems, Orange Capsicums contain beta-carotene and beta-cryptoxanthin which help reduce the risk of developing emphysema and lung cancer while Red Capsicums contain lycopene and beta-cryptoxane.
Weekend Herb Blogging #80
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Provitamin A comes from several carotenoids see below, including alpha-carotene, beta-carotene, and beta-cryptoxanthin.
Eat, Drink, and Be Healthy
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Further studies in vitro and in vivo were interpreted as showing ß-carotene to act as an anticarcinogen, whereas its oxidation product acted as a carcinogen, possibly related to the instability of the beta-carotene molecule in the free radical-rich environment in the lungs of cigarette smokers.
Innovations-report
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When ripe mangoes are an excellent source of vitamin C, Beta-Carotene and other related Carotenoids.
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However, as consumers show a growing preference for natural foods and for foods free of colorings, companies respond by omitting colors or switching to safe, natural colorings, such as beta-carotene, turmeric, paprika, beet juice, and annatto.
Maria Rodale: What's All This Food Coloring Good For?
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Green Magma also contains the antioxidants alpha-carotene, beta-carotene, vitamin C, vitamin E succinate, superoxide dismutase SOD, catalase, and chlorophyll.
Forever Young
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Through a process known as hydroxylation, beta-carotene is converted into other carotenoids that can cut the amount of pro-vitamin A that is created through digestion in half, or eliminate it altogether.
PhysOrg.com - latest science and technology news stories
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Foods high in beta-carotene: these include yellow-orange vegetables such as carrots, yams, squash, pumpkin, paprika, cayenne pepper and turnips.
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And while yams are dry and starchy and can make a good chip, they contain little to no beta-carotene or vitamin A, and so are less nutritious.
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Multivitamins and breakfast cereals were two of the largest sources of retinol, though many brands get some of their vitamin A from beta-carotene.
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The body gets vitamin A in two forms: from retinol, or "preformed" vitamin A, and from beta-carotene, which the body converts into vitamin A.
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