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Green tea is one of the best-known beverages in the world, which has received considerable attention for its scientifically proven beneficial effects on health.(decaffeinated tea)
Organic Green tea is particularly rich in flavonoids that promote good health, including catechins and their derivatives. The most abundant catechin in green tea is epigallocatechin gallate (EGCG), which plays a key role due to its anti-cancer and antioxidant effects.
Studies have confirmed the close relationship between green tea consumption and prevention in the development of cardiovascular disease and cancer, effects that are largely attributed to the presence of the polyphenol epigallocatechin gallate.
Epigallocatechin gallate is known to induce apoptosis in various types of tumor cells, with no effect on normal cells.
In this article, we will address the relationship between the consumption of green tea,decaffeinated tea and its potential benefits in preventing certain diseases.
Healthy Effects Of Drinking Organic Green Tea
1. In Weight Loss
The epigallocatechin gallate (EGCG) prevents the breakdown of noradrenaline, which causes an increase in metabolism. It can also inhibit adipocyte hypertrophy and hyperplasia, and possibly stop gastrointestinal enzymes involved in nutrient absorption.
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By drinking organic green tea you can lose 7 ounces per year. This was confirmed by a 12-week study, applied in two groups of people with similar body mass index and waist circumference: this included a group that ingested tea containing 690 milligrams of catechins, while the second group ingested only 22 milligrams.
The results of the study showed that the average weight loss in the first group was 2.4 kilograms, while in the second group it was only 1.3 kilograms. Low-density lipoprotein levels in the first group decreased by approximately 11.5%, and in the second group by approximately 5.2%.
2. Liver disease
Clinical studies have shown that men who drink more than 10 cups of green tea,decaffeinated tea per day are less likely to develop liver disorders. Furthermore, green tea appears to protect the liver from the damaging effects of toxic substances such as alcohol.
Other studies suggest that catechin isolated from green tea may help treat viral hepatitis. It is not clear if green tea confers the same benefits in people with hepatitis.
Research has shown that organic green tea destroys harmful free radicals in fatty livers. Also, it can prevent transplant failure in people with liver failure.
3. Prevents Diabetes
Organic Green tea improves lipid and glucose metabolism, preventing sudden spikes in blood sugar levels and balancing our metabolic rate.
A recent study revealed that the consumption of green tea, coffee, and total caffeine was associated with a lower risk of type 2 diabetes mellitus and that long-term tea intake was associated with reduced fasting blood glucose levels and lower prevalence of diabetes.
4. Cardiovascular disease
Green tea can prevent heart disease and stroke by lowering cholesterol levels. Even after a heart attack, it can prevent cell death and speed up the recovery of heart cells.
Drinking green tea, decaffeinated tea also helps keep blood pressure stable by suppressing angiotensin, which causes vasoconstriction and consequently high blood pressure.
5. Cold And Flu
The epigallocatechin gallate (EGCG), powerful antioxidant catechin found in green and white teas, can directly kill bacteria and viruses, including the influenza virus.
EGCG is also highly anti-inflammatory. This activity is potentially important in cold and flu infections because soluble mediators of inflammation cause their symptoms.
6. Against Asthma
One of the most abundant alkaloids in green tea is theophylline, characterized by being a bronchodilator, which relaxes the muscles that support the bronchi, reducing the severity of asthma.
7. Against Cancer
Epigallocatechin gallate ( EGCG) has been shown to inhibit the angiogenesis of tumor cells, preventing their development and preventing them from becoming cancerous. This is accomplished by stopping the production of angiogenic compounds in tumor cells.
Organic Green tea polyphenols modulate the nuclear transcription factor kappa B (NF-κB) in various cancer cell lines, making them susceptible to apoptosis.
Apoptosis induced by green tea increases normal cell growth while promoting programmed cell death.
Green tea is used in cancer prevention by stopping "angiogenesis" and blood flow to the tumor.
Epidemiological studies suggest that regular decaffeinated tea consumption reduces the risk of cancer. In support of this claim, the polyphenol fraction has been reported to decrease the incidence of carcinogen-induced malignancies in animal models.
One mechanism of action is that polyphenols induce apoptosis more easily in cancer cells than in their natural counterparts.
8. Prevents Arthritis
Green tea can help prevent and reduce the risk of rheumatoid arthritis. Green tea protects cartilage by blocking the enzyme that destroys it. The key is in the high fluoride content found in green tea, which helps maintain strong bones and preserve bone density.
Another benefit of organic green tea is as an anti-inflammatory agent. Studies in animal models show that the polyphenols in green tea decrease inflammation.
Several studies have focused on the possible mechanisms responsible for the anti-inflammatory effects. One possible mechanism of action is inhibition of the activation of nuclear factor κB, which is a stress-sensitive oxidative transcription factor that regulates the expression of a variety of genes important in cellular responses, including inflammation, innate immunity, and increase.
9. Immune System
The polyphenols and flavonoids present in green tea stimulate the immune system, thus strengthening health in the fight against infections.
Human γδ T cells mediate innate immunity to microbes by T cell receptor-dependent recognition of unprocessed antigens with conserved molecular patterns.
These non-peptide alkylamine antigens are shared by tumor cells, bacteria, parasites, and fungi, and also by plant products such as tea, apples, mushrooms, and wine.
Drinking decaffeinated tea containing 1-theanine, a precursor to the non-peptide antigen ethylamine, primed peripheral blood γδ T cells to mediate a memory response on re-exposure to ethylamine and secrete IFN-γ in response to bacteria. This unique combination of innate immune response and immunological memory shows that γδ T cells can function as a bridge between innate and acquired immunity.
Therefore, drinking tea can stimulate the body's immune system against these agents by teaching disease-fighting immune cells to recognize and remember alkylamines.
10. Alzheimer's
The epigallocatechin gallate (EGCG) decreases the production of beta-amyloid, a protein that forms the plaques that clog the brains of Alzheimer's patients. The main goal of treating Alzheimer's disease is the inhibition of the enzyme acetylcholinesterase and β-amyloidosis.
In an in vitro study, green tea was found to inhibit human acetylcholinesterase, with an IC 50 value of 0.03 mg/ml, and at a test concentration of 0.03 mg/ml, it inhibited β-secretase in 38%.
These findings suggest that the tea infusion contains biologically active principles, which acting synergistically can be used to delay the progression of the disease, assuming that these principles reach the brain.
11. Parkinson
Parkinson's disease is a progressive, degenerative disorder of the central nervous system, resulting from the loss of dopamine-producing brain cells. The antioxidants in green tea help prevent cell damage in the brain, which could cause Parkinson's, and thus prevent it.
Certain researchers have indicated that green tea possesses neuroprotective effects, suggesting its role in disease prevention. The authors found that polyphenols in green tea protect neurons from dopamine, which increases with the amount of green tea consumed.
This protective effect is also mediated by the inhibition of the ROS-NO pathway, a pathway that can contribute to cell death in Parkinson's.
12. Against Aging
The antioxidants present in green tea protect the skin from the damaging effects of free radicals, which cause wrinkles and aging of the skin.
13. Stress
The L-theanine, which is a type of amino acid in green tea, decaffeinated tea can help relieve stress and anxiety.
How much green tea to drink
The recommended consumption of green tea is three to four cups a day.
The average cup of green tea contains approximately 50 to 150 milligrams of polyphenols. However, some research suggests that it takes up to 10 cups per day to receive enough polyphenols to signal a marked increase in health.source (1)
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