Black tea

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Black tea is a product obtained from the plant Camellia sinensis. Mature leaves and stems are used to make this type of tea. Green tea is made from young leaves of the same plant, with different properties.

Until recently, most researches have focused on green tea. Green tea is rich in epigallocatechin gallate, a powerful antioxidant.

Since the fermentation process used to obtain black tea converts epigallocatechin gallate in other compounds, the researchers concluded that tea offers fewer health benefits than green tea.

Recent studies have reported that in black tea we can found tearubigina and teaflavine that have a much deeper action than that to provide the dark color and the distinctive taste of black tea. They provide health benefits originally attributed only to green tea.


1. Overview
2. Benefits


Black tea contains between 2-4% caffeine, which affects thinking and alertness, acts as a diuretic and can reduce symptoms of Parkinson’s disease. It contains antioxidants and substances that help protect the heart and blood vessels.

Black tea can be used to improve mental alertness and learning skills, memory and information processing. It is used to treat headaches and blood pressure, prevent heart disease and hardening of the arteries including stroke, Parkinson’s disease prevention and reduced risk of colon, stomach, lung, ovarian and breast cancer.

It is used to improve type 2 diabetes, vomiting, diarrhea, gastrointestinal disorders and acts as a diuretic. Some people drink tea to prevent tooth decay and formation of kidney stones. In combination with other products black tea is consumed for weight loss too.

1. Black tea and cardiovascular health – The latest researches have obtained mixed results for cardiovascular health benefits of black tea. Some studies have concluded that people who drank three cups of black or green tea daily reduced stroke risk by 21%.

Other studies have found that adults aged over 55 who drank tea for six months failed to influence cardiovascular risk factors such as inflammation and systolic blood pressure. It is possible that black tea have no impact on cardiovascular health.

2. Tea and diabetes – Scientists have discovered that some compounds in black tea were effective for slowing the absorption of blood sugar than those extracted from green tea and oolong tea. In addition, it was found that long term intake of black tea and / or green was associated with a lower prevalence of diabetes.

3. Tea and cancer prevention – Some studies indicate that regular consumption of black tea may reduce risk of cancer, while others do not indicate any benefit of black tea linked to cancer.

Moreover, some research suggests the relationship between black tea and increased risk of breast cancer. Black tea consumption was not proven to treat or prevent any condition. It is important to consult your doctor to determine the dose that may be suitable for any person.



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