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Tuesday, July 15, 2008
ANTIOXIDANTS AND FREE RADICALS
Free radicals are unstable oxygen atom or reactive molecule with a "free" (unpaired) electron. Recent studies reaffirmed that free radicals can cause more than 70 degenerative diseases including heart diseases, various forms of cancer, cataracts and premature aging. According to scientific research, free radicals can hit each cell in our body 10,000 times daily. Due to this constant attack by free radicals at cellular level on body proteins, carbohydrates, fats and DNA, cell membrane becomes weak and breaks down. This will lead to cell mutation or death of the cell. Thereby, weakens healthy parts of the body and compromise the immune system that can lead to potentially serious health damage and even fatality.
Some free radicals are readily produced as a normal by-product from the body metabolism. Massive production of free radicals within the body occurs when over exposed to ultraviolet rays of the sun, tobacco smoking and second-hand smoke, environmental pollution, exposure to radiation, too much stress, lack of sleep, alcohol consumption and etc. Free radicals are also formed when food is cooked in heated fats and oils.
In order to eradicate these extremely damaging free radicals within the body, we need powerful antioxidants (Phytochemicals) to intercept and neutralize them. Antioxidants are sometimes called "free radical scavengers” as they have the capability to prevent damage, stop further damage, as well as facilitate repair when damage has occurred.
Actually, much of the antioxidant power of fruits and vegetables comes not from the classic antioxidant vitamins such as vitamin C & E but from natural protective compounds called phytochemicals. Anthocyanins are a group of phytochemicals, which are natural pigments that occur in plants, fruits and vegetables that give colour red, blue and purple to them. In laboratory studies, anthocyanins are proven to have the ability to inhibit growth of lung, colon and leukaemia cancer cells without affecting growth of healthy cells.
Berries are delicious gifts from nature, which give our diet a health punch because they result in positive health outcomes. Scientists measure the antioxidants capacity of fruits and vegetables with the ORAC (Oxygen Radical Absorbance Capacity) test, which shows that berries contain a higher amount of antioxidants than other fresh fruits. Furthermore, numerous studies on berries have shown that it is the most powerful disease-fighting foods available.
It is undeniable that prevention is always better than cure! In view of our unhealthy eating and lifestyle, we can’t simply say “no” to assistance from potent antioxidant supplement.
Some free radicals are readily produced as a normal by-product from the body metabolism. Massive production of free radicals within the body occurs when over exposed to ultraviolet rays of the sun, tobacco smoking and second-hand smoke, environmental pollution, exposure to radiation, too much stress, lack of sleep, alcohol consumption and etc. Free radicals are also formed when food is cooked in heated fats and oils.
In order to eradicate these extremely damaging free radicals within the body, we need powerful antioxidants (Phytochemicals) to intercept and neutralize them. Antioxidants are sometimes called "free radical scavengers” as they have the capability to prevent damage, stop further damage, as well as facilitate repair when damage has occurred.
Actually, much of the antioxidant power of fruits and vegetables comes not from the classic antioxidant vitamins such as vitamin C & E but from natural protective compounds called phytochemicals. Anthocyanins are a group of phytochemicals, which are natural pigments that occur in plants, fruits and vegetables that give colour red, blue and purple to them. In laboratory studies, anthocyanins are proven to have the ability to inhibit growth of lung, colon and leukaemia cancer cells without affecting growth of healthy cells.
Berries are delicious gifts from nature, which give our diet a health punch because they result in positive health outcomes. Scientists measure the antioxidants capacity of fruits and vegetables with the ORAC (Oxygen Radical Absorbance Capacity) test, which shows that berries contain a higher amount of antioxidants than other fresh fruits. Furthermore, numerous studies on berries have shown that it is the most powerful disease-fighting foods available.
It is undeniable that prevention is always better than cure! In view of our unhealthy eating and lifestyle, we can’t simply say “no” to assistance from potent antioxidant supplement.
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