Caffeine Content and Effects of Green Tea: A Review
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Introduction:
Green tea is a popular beverage that has been consumed for centuries due to its purported health benefits.
One of the concerns about green tea is its caffeine content, which has been associated with negative effects such as insomnia and increased blood pressure.
However, green tea is known to have a lesser amount of caffeine than coffee and other teas, and it also contains an impressive amount of antioxidants.
This paper aims to review
the caffeine content and effects of green tea on the human body.
Caffeine in Green Tea:
Caffeine is a natural stimulant that acts on the central nervous system and the heart.
Green tea contains caffeine, but compared to coffee and other teas, it has a lower level.
The increase in blood pressure from caffeine is temporary, and there is no evidence of definitive long-term effects on blood pressure.
Excessive intake of green tea can lead to a
long-term increase in blood pressure.
The caffeine content in green tea is higher than in coffee, but the preparation of green tea can significantly reduce the amount of caffeine the body takes in.
The infusion length of hot water and the number of times the leaves are used can affect the amount of caffeine in green tea.
Surprisingly, the caffeine in green tea is more beneficial than the caffeine in coffee.
Green tea contains other substances that work perfectly with caffeine,
such as vitamins, oils, and tannins.
Caffeine Effects:
Compared to coffee, the caffeine in green tea has a different effect on the human body.
Green tea does not trigger an instant increase in heart rate and blood pressure.
Green tea is more applicable to drink for those who want to lose weight but are sensitive to caffeine.
Caffeine has the capacity to increase metabolism inside the body, resulting in the burning of excess calories.
Green tea is rich in antioxidants, making it
effective in preventing and treating cancer, decreasing cholesterol levels,
collagen formation, decreasing triglyceride levels, and preventing
arteriosclerosis.
Decaffeinated Green Tea:
Green tea that is decaffeinated has a more pleasant taste and impressive antioxidant activity.
It is very effective in the prevention and treatment of various ailments.
Green tea can decrease the metabolic processes significantly in the body, but does not affect blood pressure or heart rate.
Caffeine Content:
Compared to black tea, green tea has half the amount of caffeine. Compared to coffee, green tea only has a quarter amount of caffeine.
However, it is recommended to consume green tea in moderation. Only
up to four cups of green tea should be consumed daily to avoid negative
reactions inside the body.
Conclusion:
In conclusion, the caffeine content in green tea has both advantages and disadvantages, depending on an individual's needs and preferences.
Green tea contains other beneficial substances that work well with caffeine, making it an excellent beverage for people who want to lose weight and maintain good health.
Green tea can be consumed in moderation and
decaffeinated, making it a pleasant and healthy alternative to other beverages.
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