But when you have excessive iron, it catalyzes the formation of excessive
hydroxyl free radicals from the peroxide, which decimate your mitochondrial DNA, mitochondrial electron transport proteins and cellular membranes.
Molecular hydrogen acts as a selective antioxidant, targeting only the worst of the free radicals,
the hydroxyl free radical (also known as OH).
Methane can be destroyed, however, by reactions involving an atmospheric «cleanser» called
the hydroxyl free radical (OH).
Not exact matches
The
hydroxyl radical consisting of one hydrogen and one oxygen atom, is one of the most common
free radicals in the air and is therefore often referred as the detergent of the atmosphere.
One theory is that a small amount of silver goes into solution by forming a compound of AgOH with the
free hydroxyl radicals in the water.
Additionally, betalains in Swiss chard are able to scavenge
free radicals, including
hydroxyl radicals.
While there are many types of
free radicals that can be formed, the most common in aerobic (oxygen breathing) organisms are oxygen
free radicals, often referred to as Reactive Oxygen Species (ROS), which include superoxides,
hydroxyl anions, hydrogen peroxide and singlet oxygen.»
These
free radicals (such as: superoxide,
hydroxyl radical, and peroxynitrite) are controlled by antioxidant systems and when these systems can't cope with the amount of
free radicals produced these
free radicals scavenge for electrons from proteins, cell membranes, and DNA.
It has been tested under laboratory conditions for effectiveness against a variety of
free radicals, including singlet oxygen, super-oxide, and
hydroxyl radicals.
Fat soluble antioxidants such as vitamin E's and A's may help prevent lipid membrane oxidation and methoxylated flavonoids (flavonoids [plant antioxidants] with
free hydroxyl groups are much more easily disposed of by the liver and kidneys and have trouble entering the brain, and usually have very little biological effect) may also prevent damage and prevent the toxic aggregation of amyloid beta peptides.
«[D] ietary phytate, rather than fiber per se, might be the most important variable governing the frequency of colon [ic] cancer,» as we know phytate is «a powerful inhibitor of [the] iron - mediated production of
hydroxyl radical [s], a particularly dangerous» type of
free radical.