| This causes scission of an initiator molecule which produces free radicals in the presence of an aliphatic amine accelerator. |
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| Ultra-violet rays and the free radicals age the skin more quickly reducing its elasticity and creating wrinkles. |
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| Cigarette smoke contains a range of xenobiotics, including oxidants and free radicals that can increase lipid peroxidation. |
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| Betacarotene helps to quench the chemical fires started by free radicals, and helps to protect the skin from sunburn. |
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| Chronic stress also unleashes an army of free radicals that damages body and brain cells. |
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| It's an essential trace element that helps keep the immune system humming and free radicals under control. |
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| Sweet wild blueberries are bursting with antioxidants, which mop up nasty free radicals. |
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| Artery-clogging cholesterol, alcohol and carcinogenic free radicals cause cellular mayhem in the aftermath of too many bibulous feasts. |
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| At the root of sunburn are damaging molecules, free radicals that increase when the skin gets too much sun. |
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| Clearly, quenchable free radicals are the primary source of plasmid nicking in the purified solutions. |
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| He says by creating drugs to replicate the effect, it will take longer for the accumulative damage caused by free radicals to occur. |
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| Alternatively, a-tocopherol can scavenge two peroxy free radicals and then be conjugated to glucuronate for excretion in the bile. |
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| Because free radicals are highly reactive, they are capable of damaging the body. |
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| The steps include aerobic exercise, less fatty food, learning new skills and avoiding damaging free radicals. |
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| Raisins are a great source of powerful antioxidants, which can help ward off the damaging effects of free radicals produced during exercise. |
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| An example of this process is the formation of free radicals from chlorofluorocarbons in the upper atmosphere. |
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| The free radicals and reactive species produced by these reactions are highly cytotoxic. |
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| These free radicals are highly reactive chemically and can themselves alter molecules in the cell. |
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| Tomatoes are rich in antioxidants, which neutralize damaging free radicals. |
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| Some vitamins and other substances work as antioxidants by fighting the oxidation caused by free radicals. |
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| Fruits and vegetables are full of antioxidants that disable free radicals and minimize inflammation. |
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| The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen. |
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| Vitamin E helps immune cells multiply, and as an antioxidant it fights damaging free radicals. |
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| Bickford speculates it's the antioxidants that help inhibit free radicals and so reduce the cumulative effects of life on the aging rat brain. |
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| We accept the fact that agents such as free radicals can influence cell function. |
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| Your body never produces enough antioxidants, though, to stop all of the free radicals. |
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| They're also rich in antioxidants that help eliminate free radicals and reduce inflammation in the skin. |
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| Fruits and vegetables rich in antioxidants can help scavenge free radicals generated by stress. |
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| It appears as a result of the photosensitized formation of free radicals, singlet oxygen, photoproducts or other intermediates. |
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| When the toxin is exposed to light, it reacts with oxygen to produce superoxide anions and singlet oxygen, which are also known as free radicals. |
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| They are compounds that scavenge free radicals of oxygen, unstable molecules given off by the body's many metabolic actions. |
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| Melatonin also scavenges free radicals, and having low levels of this hormone has been linked to Alzheimer's disease. |
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| Low levels of natural antioxidants in pancreatitis indicate their increased utilization as scavengers of free radicals. |
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| The free radicals have the additional benefit of killing bacteria, viruses and spores. |
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| Substitution reactions of organic compounds can also involve free radicals. |
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| It is important to note that nitrated proteins are not the same as free radicals. |
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| There are many types of free radicals, and all have specific detoxifiers. |
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| Number one is the build up of toxins such as acetaldehyde and free radicals, as your liver struggles to cope with metabolizing large amounts of alcohol. |
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| Oxygen free radicals in root cells would be formed in the process of root respiration in the mitochondria and the oxidation of secondary metabolites such as soluble phenols. |
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| Similarly, a study from Turkey determined that activity in rheumatic joints produced high levels of both free radicals and inflammatory substances. |
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| These antioxidants and enzymes remove or inactivate the free radicals. |
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| Vitamin A works as an antioxidant, removing free radicals from the skin. |
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| It has been discovered that the vitamin has the ability to rid your body of the free radicals that sometimes prevent oxygen being pumped around your limbs. |
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| All three have been shown to be active in a variety of yeast-based screens and there is some evidence that urethane and thiourea may induce free radicals in yeast cells. |
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| The formation of conjugated dienes occurs when free radicals attack the hydrogens of methylene groups separating double bonds and leading to a rearrangement of the bonds. |
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| Naringin, a bioflavonoid predominant in grapefruit and other citrus fruits, has been found to scavenge free radicals, therefore it may also reduce radiation-induced damage. |
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| Unlike normal cooking, when food is nuked numerous chemical bonds are ruptured, leaving behind a trail of free radicals, ions, and other radiolytic byproducts. |
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| The raw egg is full of cysteine which helps the body break down the free radicals which build up in the liver and it's best to swallow it in a oner. |
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| Lipoperoxidation occurs as a chain reaction initiated by free radicals, which propagates itself and can result in the formation of many equivalents of lipid peroxides. |
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| Once free radicals are produced, a chain reaction occurs wherein lipid peroxidation becomes self-perpetuating, generating more free radicals, and causing further harm. |
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| He also believes that antioxidants taken supplementally will combat the negative effects of exercise by protecting cells and tissues against destructive free radicals. |
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| Functions include detoxification of free radicals and peroxides, regulation of cell growth and protein function, and maintenance of immune function. |
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| When the peroxide is mixed with the resin, it decomposes to generate free radicals, which initiate the curing reaction. |
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| Bioflavonoids are antioxidants, the compounds that squelch disease-causing free radicals in the body, Kaczor said. |
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| A wide variety of aromatic compounds are enzymatically reduced to form free radicals that contain one more electron than their parent compounds. |
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| The porphyrins can undergo photo-oxidation and autooxidation generating free radicals. |
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| Ultraviolet light will release free electrons from material, thereby creating free radicals, which break up VOCs and NOx gases. |
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| Scientists knew that when mechanical force is applied to a polymer, bonds can break to generate free radicals, molecules with unpaired electrons. |
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| Emami discovered that polyphenols in a cigarette filter efficiently remove free radicals of cytotoxic molecules of cigarette smoke. |
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| Superoxides are toxic free radicals, molecules with one unpaired electron, that the immune system normally uses to kill invading microorganisms. |
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| The antioxidant property of a phytochemical permits it to come between cells and free radicals by giving up their own electrons. |
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| Blueberries and black grapes contain flavinoids, which prevent damage by free radicals and ageing. |
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| Unsatisfied free radicals can spur the mutation of cells they encounter and are, thus, causes of cancer. |
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| From their radiation-excited state, the photoinitiators photolyze or degrade directly or indirectly into free radicals. |
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| Once formed, these anion free radicals reduce molecular oxygen to superoxide, and regenerate the unchanged parent compound. |
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| The influence of the type of solvent on the capacity to scavenge free radicals was much greater than that of temperature. |
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| Free radical-induced hemolysis is generally attributed to oxygen-containing free radicals which peroxidize the polyunsaturated fatty acids in the erythrocyte membrane. |
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| It is reckoned that cocoa, a key ingredient of chocolate, contains high levels of antioxidants which help mop up free radicals and prevent them from damaging cells. |
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| His greatest scientific contributions were to the understanding of the pathogenesis of the pneumoconioses and the role of free radicals in lung disease. |
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| At high temperatures its high polyunsaturate content can form free radicals and trans fats linked to heart disease, wrinkles, arthritis and even cancer. |
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| Black and green tea also naturally contain flavanoid antioxidants which can help protect your body from free radicals that can damage your body's cells. |
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| High blood levels of free ferrous iron react with peroxides to produce highly reactive free radicals that can damage DNA, proteins, lipids, and other cellular components. |
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| One study found people who had a good intake of monounsaturates had fewer wrinkles, possibly because the fats helped the skin resist the activity of free radicals. |
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| The lipid peroxidation is an autooxidative process started by free radicals and the cell membrane unsaturated fatty acids are very susceptible to them. |
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| The enzyme glutaredoxin utilizes a disulfide oxidation-reduction mechanism to detoxify free radicals and is one way organisms have evolved to handle oxidative stress. |
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| Then succinyl free radicals decays in one of the recombination reactions. |
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| These free radicals could produce an electrical voltage across the retina, thus controlling the nerve impulses from the eye to the brain, he suggested. |
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