According to one popular theory, when mitochondria extract energy from chemicals, by - products called
oxygen radicals damage mitochondrial DNA and other critical molecules.
For example, some viral - repair enzymes — which excise and resynthesize damaged DNA, mend
oxygen radical damage, and so on — are unique to certain viruses and have existed almost unchanged probably for billions of years.
Not exact matches
Trans fats react with
oxygen and iron in the bloodstream to create free
radicals which cause tissue
damage and fry your arteries.
Palm fruit oil is also a good source of Vitamin E due to its high levels of tocopherols and tocotrienols, which are effective in removing
damaging oxygen - free
radicals from our bodies.
S. Okada, «Iron - induced tissue
damage and cancer: the role of reactive
oxygen species - free
radicals,» Pathology International 46, no. 5 (May 1996): 311 - 32.
Reactive
oxygen species, also called free
radicals, are chemicals that typically contain
oxygen, are known to be found in cigarette smoke, and cause DNA
damage in cells.
When potent
oxygen radical scavengers such as cerium oxide nanoparticles (nanoceria) were combined with a highly charged polymer (polyacrylic acid) and incorporated into extracted chloroplasts using the LEEP process,
damage to the chloroplasts from superoxides and other reactive
oxygen species was dramatically reduced.
For decades, researchers have known that reactive
oxygen species, or free
radicals, can do serious
damage to cells and trigger cancer.
At the hearing, Carpenter suggested that cell phones may increase the brain's production of reactive forms of
oxygen called free
radicals, which can interact with and
damage DNA.
One possibility, advanced by the Wisconsin team, is that restricting food consumption reduces the production of tissue -
damaging oxygen free
radicals that are a byproduct of food metabolism.
This metabolic demand makes brain cells particularly vulnerable to
damage from oxidative stress, in which reactive
oxygen species (ROS), sometimes called free
radicals, exert toxic effects on cellular components.
This caused oxidative stress — too much
oxygen that
damages healthy cells — and allowed the release of harmful molecules, called free
radicals, which resulted in serious illness.
Cystine is responsible for maintaining high levels of antioxidants that disarm free
radicals of
oxygen; so when the researchers got rid of this nutrient, the cancer cells essentially died by their own hand of free
radical damage.
The Einstein team suspected that cysteine was helping to kill TB bacteria by acting as a «reducing agent» that triggers the production of reactive
oxygen species (sometimes called free
radicals), which can
damage DNA.
The enzyme converts heme, a cellular compound that produces
damaging oxygen radicals, to less harmful compounds, some of which neutralize
oxygen radicals.
An excess of these
oxygen radicals causes irreversible cell
damage.»
It is believed that the excitotoxic cascade ultimately leads to DNA
damage, partly through excessive formation of
oxygen radicals.
Antioxidants are vital to our bodies since they help to prevent cell
damage and protect against disease by mopping up destructive, unstable
oxygen molecules known as free
radicals.
Use of iron chelators in preventing hydroxyl
radical damage: Adult Respiratory Distress Syndrome as an experimental model for the pathophysiology and treatment of
oxygen -
radical - mediated tissue
damage.
They are loaded with precious antioxidants which are needed to keep the free
radicals at bay (free
radicals, oxidative
damage created when cells use
oxygen).
So by replacing carbs with healthy fats, your cells» mitochondria are less likely to suffer
damage from free
radicals that are caused by reactive
oxygen species or ROS.
Because it's a heavy
oxygen user the brain is highly susceptible to free
radical damage.
They are believed to protect cells from free
radicals, harmful
oxygen molecules thought to
damage cells that result in cancer, atherosclerosis, Alzheimer's disease, and rheumatoid arthritis, and they may be the underlying reason why we age.
Like the other antioxidant vitamins discussed above, vitamin E prevents tissue
damage of the thyroid gland which can be caused by free
radicals especially the reactive
oxygen species formed from lipid peroxidation.
Ginkgo biloba protects brain cells from
damage caused by free
radicals while improving blood circulation and
oxygen delivery through the microcapillaries.
All of these happen because the free
radicals and reactive
oxygen species produced caused significant
damage to the thyroid and reduced thyroid hormone production.
Reactive
Oxygen Species (ROS) and Reactive Nitrogen Species (RNS) are known as «free
radicals» and have been shown to cause
damage and death to the cells they come in contact with.
It is very well known that polyunsaturated fats oxidize rapidly when exposed to
oxygen and heat, and this oxidation creates free
radicals, oxidative
damage, and cell death.
Thus, creatine has been shown to act as an antioxidant which reduces cell
damage caused by
oxygen radicals.
An ORAC score (
Oxygen Radical Absorbance Capacity) is the measurement a particular food has in protecting you from free radical or oxidation damage and is commonly used to claim a products p
Radical Absorbance Capacity) is the measurement a particular food has in protecting you from free
radical or oxidation damage and is commonly used to claim a products p
radical or oxidation
damage and is commonly used to claim a products potency.
Research suggests that Vitamin C is a highly effective antioxidant and that small amounts can protect essential molecules in the body from free
radical damage and reactive
oxygen species generated during normal metabolism, as well as through exposure to toxins and pollutants.
It boosts the immune system, protects vision, stops the build - up of oxidised fats, and helps to convert carbohydrates into energy and most crucially reduces the
damage done to important cell components caused by reactive
oxygen molecules such as free
radicals and peroxides7.
So, between their beta - carotene and vitamin C content, green beans have all areas covered against
damage from
oxygen free
radicals.
Energy metabolism and the production of Reactive
Oxygen Species (very small molecules that can result in significant damage to cell structures, of which include oxygen ions, free radicals and peroxides) are thought to underpin many nuerodegenerative disorders, and creatine is thought to enhance the brains ability to survive the metabolic and physical trauma associated with these condi
Oxygen Species (very small molecules that can result in significant
damage to cell structures, of which include
oxygen ions, free radicals and peroxides) are thought to underpin many nuerodegenerative disorders, and creatine is thought to enhance the brains ability to survive the metabolic and physical trauma associated with these condi
oxygen ions, free
radicals and peroxides) are thought to underpin many nuerodegenerative disorders, and creatine is thought to enhance the brains ability to survive the metabolic and physical trauma associated with these conditions.
Oxygen free
radicals cause lipid peroxidation, which results in
damage to cell membranes and this can cause premature aging, skin cancer and cell death.»
In the late 1980s, scientists realized that alpha - lipoic acid, a compound initially classified as a vitamin when it was discovered three decades earlier, possessed potent antioxidant properties that could prevent healthy cells from getting
damaged by unstable
oxygen molecules called free
radicals.
Solution: Standard antioxidant formulas protect from
oxygen free
radical damage.
Vitamin E - Found in almonds, wheat germ oil, peanuts and turnip greens, E is an antioxidant which neutralizes free
radicals, the toxic
oxygen - based molecules that
damage cells and can lead to cancer.
Antioxidants work by significantly slowing or preventing the oxidative — or
damage from
oxygen — process caused by substances called free
radicals that can lead to cell dysfunction and the onset of problems like heart disease and diabetes.
Superoxide dismutase (SOD) is found inside the body's mitochondria (the
oxygen - based energy factories inside most of our cells) where it provides protection against
damage from the free
radicals produced during energy production.
Fats and cholesterol are very susceptible to free
radical damage, a process that occurs when they are exposed to
oxygen.
Antioxidants fight the
damaging effects of reactive
oxygen in the body which promote free
radicals.
Piperine can also attenuate free
radicals and reactive
oxygen species and has been shown to protect against oxidative
damage in vitro.
The reactive
oxygen species and free
radicals released from such reactions like lipid peroxidation can progressively
damage neurons.
Antioxidants are effective at preventing something called sebum peroxidation, which is when free
radicals damage the skin's sebum, lowering its
oxygen content, and making it an ideal environment for an anaerobic bacteria, P. acnes, to thrive and reproduce.
The same thing that makes vitamin C so important — its ability to protect against free
radical damage — also makes it very prone to
damage by heat,
oxygen, and storage over time.
EGCG can protect brain cells from oxidative
damage caused by harmful free
radicals and reactive
oxygen species.
Foods high in antioxidants work throughout the body to fight free
radicals, unstable
oxygen molecules that
damage individual cell DNA and that can cause a host of problems.
* It is also a highly effective antioxidant that can protect the body's cells and molecules from
damage by free
radicals and reactive
oxygen species generated during normal metabolism and exposure to environmental stressors.
* It is also a potent antioxidant that can protect the body's cells and molecules from
damage by free
radicals and reactive
oxygen molecules generated during normal metabolism and typical environmental exposures.