Definition of antioxidant in English:

antioxidant

noun

  • 1A substance that inhibits oxidation, especially one used to counteract the deterioration of stored food products.

    • ‘The two compounds are also included in a larger chemical class: antioxidants.’
    • ‘Several researchers have tried to make better antioxidants by attaching a nitrogen atom to the carbon ring.’
    • ‘Birds also may use carotenoids as antioxidants or immunostimulants.’
    • ‘A little of the antioxidant TBHQ, citric acid and dimethylpolysiloxane may also be thrown in for good measure.’
    • ‘Richness in color appears to be a sign that foods are high in antioxidants.’
    • ‘Fruits and vegetables are the major food sources of antioxidants that may protect the lung from oxidative stress.’
    • ‘Many of the ingredients in these two mixtures are high in antioxidants.’
    • ‘Olive oil also contains squalene and oleuropein, which are powerful antioxidants, protecting blood cholesterol from oxidation.’
    • ‘Fortunately, animal cells produce various antioxidants, which neutralize most oxidants.’
    • ‘Look for products that contain alpha or beta hydroxyl acids, antioxidants or retinoids; they help speed up cell renewal.’
    • ‘The benefits of antioxidants and essential fatty acid foods and supplements cannot be overlooked.’
    • ‘It is used in the manufacture of antioxidants, pharmaceuticals, dyes, and in the vulcanization of rubber.’
    • ‘Professional bakers and other food processors add antioxidants - substances which retard rancidity - to their goods.’
    • ‘The calcification that occurs in arteriosclerosis is inhibited by antioxidants.’
    • ‘Have we mentioned antioxidants, such as quercetin, which protect brain cells from oxidative damage?’
    • ‘Green tea contains abundant polyphenols, plant chemicals that are powerful antioxidants.’
    • ‘The body contains chemicals called antioxidants which reduce oxidative stress.’
    • ‘Alkaloids, phenols, antioxidants and lipids were never detected.’
    • ‘Flavonoids are natural antioxidants that help protect the heart and arteries, among many other health effects.’
    • ‘An imbalance between production of ROS and production of antioxidants results in oxidative stress.’
    1. 1.1 A substance such as vitamin C or E that removes potentially damaging oxidizing agents in a living organism.
      • ‘These antioxidants and enzymes remove or inactivate the free radicals.’
      • ‘Some vitamins and other substances work as antioxidants by fighting the oxidation caused by free radicals.’
      • ‘Vitamin E is an antioxidant that protects our cells from breaking down.’
      • ‘Your body never produces enough antioxidants, though, to stop all of the free radicals.’
      • ‘Nuts are high in Vitamin E, a potent antioxidant that may help ward off heart disease and cancer.’
      • ‘Vitamin E is an antioxidant that prolongs the life of red blood cells and is necessary for the proper use of oxygen by muscles.’
      • ‘The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.’
      • ‘Vitamin E helps immune cells multiply, and as an antioxidant it fights damaging free radicals.’
      • ‘Tomatoes are rich in antioxidants, which neutralize damaging free radicals.’
      • ‘It's taken as an article of faith that ageing is caused by free-radical damage, which antioxidants can counteract.’
      • ‘Today, studies suggest that berries also contain antioxidants that fight cell damage.’
      • ‘Fruit and veg contain lots of nutrients that are good for us, including antioxidants such as vitamins C, E and beta carotene.’
      • ‘It is caused by charged particles known as free radicals and can be counteracted by antioxidants including vitamin C.’
      • ‘They claim that the modified atmosphere packaging process damages vitamin C and antioxidants in lettuce leaves.’
      • ‘Fruits and vegetables are full of antioxidants that disable free radicals and minimize inflammation.’
      • ‘An apple a day really does keep the doctor away, thanks to strong antioxidants that fight cell damage.’
      • ‘Bickford speculates it's the antioxidants that help inhibit free radicals and so reduce the cumulative effects of life on the aging rat brain.’
      • ‘Vitamin A works as an antioxidant, removing free radicals from the skin.’
      • ‘Vitamin E is a potent antioxidant, and vitamin D may check prostate-cancer cell growth.’
      • ‘Sunblocks and antioxidants also remove post inflammatory hyperpigmentation to a large extent.’

Pronunciation:

antioxidant

/antɪˈɒksɪd(ə)nt/