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Green tea, originally from China and India, has been consumed and enjoyed throughout the world for centuries for its health benefits, but has recently gained popularity in the United States.
Tea is the most consumed beverage in the world behind water. However, 78 percent of the tea consumed worldwide is black and only 20 percent is green.
All types of tea, except herbal tea, are made with dried leaves of Camellia sinensis Bush. The level of oxidation of the leaves determines the type of tea.
Green tea is made from non-oxidized leaves and is one of the least processed types of tea. Therefore, it contains the most antioxidant and beneficial polyphenols.
These are some of the main things about green tea. More details and supporting information can be found in the main article.
- Green tea has been used in traditional Indian and Chinese medicine.
- There are many types of green tea available.
- Green tea can help prevent many diseases, including cancer.
- More research is needed to demonstrate the numerous health claims surrounding green tea.
Green tea is becoming increasingly popular in the United States. Listed below are the possible health benefits associated with green tea. Green tea was used in traditional Chinese and Indian medicine to cure bleeding and wounds, aid digestion.
And improve mental health and heart health and control body temperature. Recent studies have shown that green tea can have positive effects on everyone, from weight loss to liver disorders, type 2 diabetes and Alzheimer’s disease.
It is important to keep in mind that more evidence is needed before this possible link of health benefits can be proven:
1) Green Tea And Cancer Prevention
- According to the National Cancer Institute, polyphenols in tea have been shown to reduce tumor growth in laboratory and animal studies and can protect against the damage of UVB ultraviolet radiation.
Countries that have a higher consumption of green tea have lower rates of cancer, but it is impossible to determine if green tea prevents cancer in these particular populations or other lifestyle factors.
Some studies have also shown positive effects of green tea on the following types of cancer:
Researchers believe that it is the high levels of polyphenols in tea that help eliminate cancer cells and prevent them from growing. However, the exact mechanism by which tea interacts with cancer cells is unknown.
However, other studies have not found that tea can reduce the risk of cancer. The amount of tea required for the preventive effects of cancer also varies widely between studies, from 2 to 10 cups per day.
In 2005, the Food and Drug Administration (FDA) stated: “To support the consumption of green tea and health claims qualified to reduce the risk of gastric, pulmonary, colon / rectal, esophageal, pancreatic, ovarian cancer and joints. There is no reliable evidence.
A 2006 study published in the Journal of the American Medical Association concluded that green tea intake is associated with Reduce Mortality from all causes, including heart disease.
The study followed more than 40,000 Japanese participants between the ages of 40 and 79 for 11 years from 1994. Participants who drank at least 5 cups of green tea per day had a lower risk of dying (especially heart disease) than those who drank less than one cup of tea per day.
The analysis of studies published in 2011 found that the intake of green tea, as a beverage or as a capsule, was associated with significant but modest reductions in total and LDL or “bad” cholesterol.
The lead author of the study, Drs. Yoshihiro Kokubo, PhD stated: “This is the first large-scale study to examine the combined effects of green tea and coffee on the risks of stroke.
You can make a small but positive one. Including daily green tea in your diet Make changes in the lifestyle to help reduce the risk of stroke.
Studies on the association between green tea and diabetes have been inconsistent. Some people have shown a reduced risk of developing type 2 diabetes for those who drink green tea without consuming it, while other studies have found no association between tea intake and diabetes.
Green tea can promote small and non-significant weight loss in adults who are overweight and obese; However, since the weight loss was so low in the study, green tea is unlikely to be clinically important for weight loss.
A 2007 study concluded that green tea can be promising as a new treatment for skin disorders such as psoriasis and dandruff. The researchers studied an animal model for inflammatory skin diseases, often characterized by dry, red and scaly skin patches caused by inflammation and overproduction of skin cells.
Green tea treatment shows the slow growth of skin cells and the presence of a gene that regulates the life cycle of cells.
Research published in the journal Psychopharmacology suggests that green tea can improve the cognitive functions of our brain, specifically working memory.
The research team said their findings suggest that green tea may be promising in the treatment of cognitive disorders associated with neurocytic disorders such as dementia.
In a study published in 2011, researchers tested the effect of a component of green tea, cageti (or green tea extract “available in the colon”), after digestion, to see if it was a key protein in the disease of Alzheimer affects how.
The Alzheimer’s Society commented that “this study adds to previous research that green tea may help reduce the risk of Alzheimer’s disease. However, the researchers used a higher dose of the active chemical in green tea in the human body.
It will always be found. More research is needed to see if green tea is protective in very low doses and to understand the mechanisms involved.
Other studies have found that green tea can be useful for preventing caries arthritis, treating stress, chronic fatigue, skin conditions and improving arthritis to reduce inflammation.
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Nutritional breakdown of Green Tea
Raw green tea is a calorie-free drink. The caffeine contained in a cup of tea may vary depending on the length of time and the amount of tea infected.
In general, green tea contains a relatively small amount of caffeine (approximately 20-45 mg per 8-ounce cup), compared to black tea.
Which contains approximately 50 mg and 95 mg per cup of coffee. Green tea is considered one of the healthiest drinks in the world and contains as many antioxidants as any tea.
Tea contains natural chemicals called polyphenols that are believed to provide their anti-inflammatory and anti-cancer effects. Green tea contains approximately 20 to 45 percent of polyphenols by weight.
And 60 to 80 percent of which are catechins such as EGCG. Catechins are antioxidants that are said to help prevent cell damage.
Green tea is bottled and available in individual tea bags, powdered and instant powdered with sugar or artificial sweetener. Green tea is available in many varieties, which include:
- Bottle and sugar or sweetened with an artificial sweetener
- Only in tea bag
- Like a leaf
- Immediately powdered
- Green tea supplements, sold as capsules or in liquid extracts.
According to a 2010 research presented at the American Chemical Society, bottled tea is not equivalent to tea prepared because some 16 oz bottled teas may contain less polyphenols than a cup of tea prepared.
Side effects and risks of green tea
There are no known side effects or contraindications to drinking green tea for adults. However, the following risks or complications should be clarified:
- Caffeine Sensitivity: People with severe caffeine sensitivity may experience insomnia, anxiety, irritability, nausea or stomach upset.
- Anticoagulants: people who take anticoagulants (anticoagulant medications) such as comadine / warfarin should drink green tea with caution due to its vitamin K content.
- It is also recommended to avoid green tea and aspirin, since both reduce the effectiveness of clots. of platelets.
- Other stimulants: if taken with stimulant medications, green tea can increase blood pressure and heart rate.
Green tea supplements contain high levels of active substances that can trigger side effects and interact with other herbs, supplements or medications.
Green tea supplements are not regulated by the FDA and may contain unsafe or unsafe health benefits, as well as other substances. Always check with a doctor before starting any herb or supplement.
In particular, pregnant or nursing women, with heart problems or high blood pressure, kidney or liver problems, stomach ulcers or anxiety disorders should not take green tea supplements or extracts.
Additional reading on green tea
Several green tea products are available to buy online. It is a good idea to compare different brands and different types of green tea to select the most suitable for you.
Did you like to read about the potential health benefits of green tea? Check out our collection of articles about other fruits and vegetables. Alternatively, read our article on the 10 best healthy foods for your daily diet.
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