Names:

Black Leaf Tea, English Tea, Tea. Camellia sinensis, synonyms Camellia thea, Camellia theifera, Thea bohea, Thea sinensis, Thea viridis.

Family: Theaceae.

Indications:

Orally, black tea is used for improving cognitive performance, headache, atherosclerosis, and myocardial infarction; preventing Parkinson's disease; and reducing the risk of gastrointestinal cancer, ovarian cancer, and breast cancer. It is also used for stomach disorders, vomiting, diarrhea, preventing dental caries and kidney stones, and as a diuretic.

In combination with various other products, black tea is used orally for weight loss.

For food use, black tea is consumed as a hot or cold beverage.