noun

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

  ‘An imbalance between production of ROS and production of antioxidants results in oxidative stress.’

  More example sentences

  • ‘Richness in color appears to be a sign that foods are high in antioxidants.’
  • ‘Alkaloids, phenols, antioxidants and lipids were never detected.’
  • ‘The body contains chemicals called antioxidants which reduce oxidative stress.’
  • ‘Professional bakers and other food processors add antioxidants - substances which retard rancidity - to their goods.’
  • ‘Fruits and vegetables are the major food sources of antioxidants that may protect the lung from oxidative stress.’
  • ‘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.’
  • ‘Several researchers have tried to make better antioxidants by attaching a nitrogen atom to the carbon ring.’
  • ‘The two compounds are also included in a larger chemical class: antioxidants.’
  • ‘The calcification that occurs in arteriosclerosis is inhibited by antioxidants.’
  • ‘Fortunately, animal cells produce various antioxidants, which neutralize most oxidants.’
  • ‘It is used in the manufacture of antioxidants, pharmaceuticals, dyes, and in the vulcanization of rubber.’
  • ‘A little of the antioxidant TBHQ, citric acid and dimethylpolysiloxane may also be thrown in for good measure.’
  • ‘Olive oil also contains squalene and oleuropein, which are powerful antioxidants, protecting blood cholesterol from oxidation.’
  • ‘Many of the ingredients in these two mixtures are high in antioxidants.’
  • ‘Green tea contains abundant polyphenols, plant chemicals that are powerful antioxidants.’
  • ‘Flavonoids are natural antioxidants that help protect the heart and arteries, among many other health effects.’
  • ‘Birds also may use carotenoids as antioxidants or immunostimulants.’
  • ‘Have we mentioned antioxidants, such as quercetin, which protect brain cells from oxidative damage?’

  1. 1.1A substance such as vitamin C or E that removes potentially damaging oxidizing agents in a living organism.
     ‘They claim that the modified atmosphere packaging process damages vitamin C and antioxidants in lettuce leaves.’
     More example sentences

     • ‘Vitamin E is a potent antioxidant, and vitamin D may check prostate-cancer cell growth.’
     • ‘These antioxidants and enzymes remove or inactivate the free radicals.’
     • ‘Today, studies suggest that berries also contain antioxidants that fight cell damage.’
     • ‘An apple a day really does keep the doctor away, thanks to strong antioxidants that fight cell damage.’
     • ‘Vitamin E is an antioxidant that prolongs the life of red blood cells and is necessary for the proper use of oxygen by muscles.’
     • ‘Sunblocks and antioxidants also remove post inflammatory hyperpigmentation to a large extent.’
     • ‘Vitamin A works as an antioxidant, removing free radicals from the skin.’
     • ‘Vitamin E helps immune cells multiply, and as an antioxidant it fights damaging free radicals.’
     • ‘Fruit and veg contain lots of nutrients that are good for us, including antioxidants such as vitamins C, E and beta carotene.’
     • ‘Vitamin E is an antioxidant that protects our cells from breaking down.’
     • ‘Nuts are high in Vitamin E, a potent antioxidant that may help ward off heart disease and cancer.’
     • ‘Tomatoes are rich in antioxidants, which neutralize damaging free radicals.’
     • ‘Bickford speculates it's the antioxidants that help inhibit free radicals and so reduce the cumulative effects of life on the aging rat brain.’
     • ‘Some vitamins and other substances work as antioxidants by fighting the oxidation caused by free radicals.’
     • ‘It is caused by charged particles known as free radicals and can be counteracted by antioxidants including vitamin C.’
     • ‘Your body never produces enough antioxidants, though, to stop all of the free radicals.’
     • ‘It's taken as an article of faith that ageing is caused by free-radical damage, which antioxidants can counteract.’
     • ‘The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.’
     • ‘Fruits and vegetables are full of antioxidants that disable free radicals and minimize inflammation.’