Fifty percent of individuals in the world drink tea, according to the Pacific College of Oriental Medicine. Black tea derives from the leaves of the Camellia sinensis plant and undergoes fermentation. Black tea is naturally free of calories, fat, cholesterol, preservatives and artificial flavoring. Antioxidants, vitamins, minerals, caffeine and amino acids contribute to the nutritive qualities and health benefits associated with this beverage.
Antioxidants
Black tea contains numerous antioxidants, which help the body fight free-radicals. According to the Pacific College of Oriental Medicine, black tea possesses similar amounts of antioxidants found in fruits and vegetables. One type of antioxidant occurring in black tea is flavonoids, which become complex antioxidants called theaflavins and thearubigins during the oxidation process. Flavonoids boost your immune system and can increase your metabolic activity, according to the University of Arizona. Additionally, black tea contains trace amounts of vitamin C, a powerful antioxidant aiding immune system function and skin healing.
Caffeine
Every tea contains caffeine, and black tea is no exception. According to the Linus Pauling Institute, an 8-oz. serving of black tea contains 42 to 72 mg of caffeine. Brew time and fermentation might contribute to the quantity of caffeine in your cup of black tea. According to Penn State University, caffeine contributes to a number of physical health benefits, including increased alertness, enhanced athletic performance, and reduced risk of gallstones, kidney stones and liver disease.
Theanine
Theanine, an amino acid, occurs naturally only in the Camellia sinensis plant and is distributed via the tea leaves. Theanine stimulates cells responsible for immune functioning, which might decrease bacterial infections and viruses. According to the University of Arizona, theanine produces alpha-brain waves, which aid in mental alertness and increased focus. Additionally, theanine might decrease racing thoughts and promote a more relaxed mental state.
Fluoride
Black tea contains trace amounts of a variety of minerals, including manganese, calcium, potassium, magnesium and fluoride. The leaves of the Camellia sinensis plant provide 0.2 to 0.5 mg of fluoride per 8 oz. serving of black tea, according to the Linus Pauling Institute, or LPI. Black tea contributes to an adult’s daily recommended allowance of 3 to 4 mg of fluoride, which is essential for maintaining dental health and preventing dental cavities.
References
- Linus Pauling Institute; "Tea"; Jane Higdon; July 2009
- University of Arizona; "Health and Tea FAQs"; 2011
- Pacific College of Oriental Medicine; "Antioxidant Properties of Black Tea"; 2009
- Penn State University; "Effects of Caffeine on Physical Health"; Marta Speck et al.
- Linus Pauling Institute; "Fluoride"; Jane Higdon; September 2007
Member Comments