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Brain Antioxidants
And EGCG Research
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Brain antioxidants and free radical damage
Cells in your brain can be damaged by chemicals called free radicals. Antioxidants help protect against this damage.
Your brain is particularly susceptible because of each cell’s high metabolic needs and fatty acid structures.
A great deal of research has concentrated on the usefulness of antioxidants to protect brain function over a lifetime.
Researchers have recently tested EGCG (epigallocatechin gallate), the primary antioxidant (a polyphenol flavonoid catechin) from green tea in an animal study of aging brains.
EGCG effects show brain antioxidant improvement
For 30 days, oral intake of EGCG was compared with placebo saline.
Researchers found that EGCG improved the following enzymatic antioxidants in the brain:
- superoxide dismutase
Superoxide dismutase (SOD) protects your cells from superoxide toxicity, is a powerful anti-inflammatory molecule, and may be associated with longer lifespans.
- glutathione peroxidase
This is a wide-spread antioxidant which protects against lipid hydroperoxides.
- glutathione reductase
This is another antioxidant in the glutathione pathways.
- catalase
Catalase molecules actively convert hydrogen peroxide (a metabolic byproduct) back to oxygen and hydrogen at the rate of millions per second. A deficiency of catalase may be implicated in type 2 diabetes and graying hair.
- and, glucose-6-phosphate dehydrogenase,
This enzyme supports the nicotinamide adenine dinucleotide phosphate (NADP) pathway which supports glutathione levels in the cell.
and the following non-enzymatic antioxidants:
and, glutathione
Glutathione is a peptide (protein) molecule which functions as an antioxidant and helps regulate the cellular nitric acid cycle. It is important for the immune system, nervous system, gastrointestinal system, and respiratory system where it helps with DNA synthesis and repair, protein synthesis and transport, and other enzyme systems.
Green tea reduced damage
EGCG also reduced free radical damage as shown by lowering malondialdehyde and protein carbonyl levels in the brain (Srividhya R et al, Attenuation of senescence-induced oxidative exacerbations in aged rat brain by (-)-epigallocatechin-3-gallate, International Journal of Developmental Neuroscience, December 2007, p 217-223).
This brain antioxidants study is preliminary and more work is needed to track functional benefits for the brain from green tea EGCG.
The importance of protecting our brain over time
Every culture has treasured the gathered wisdom of their elders.
We all mourn the loss of their knowledge when their brains become too damaged by age to function.
And we ask how much more could they have contributed if they were functional longer.
So we look for ways to keep their cherished wisdom alive.
One way is to learn how to prevent age-related damage to the brain for our own quality of life, as well as for others.
A wise person once said that a journey of a thousand miles begins with one step.
Perhaps it can also begin with one cup of green tea.
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Lemon Balm, Anxiety, Stress, Hyperactivity, Memory, Antiviral Research, and more by Sharon Jones
With over 250 pages and 540 referenced scientific studies
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Lemon Balm, Anxiety, Stress, Hyperactivity, Memory, Antiviral Research, and more by Sharon Jones
With over 250 pages and 540 referenced scientific studies, this book includes
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Anti-inflammatory and antioxidant properties, Anxiety
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