Which Tea has the most caffeine?
by Beatrice MarkenzonMar 14, 2022
Tea is one of the most popular beverages in the world. It consists of the leaves of the Camellia sinensis plant, which, after harvesting, begin to wilt and oxidize. A person can stop the oxidization process by heating the leaves.
The more tea leaves oxidize, the darker they become, which determines the type of tea:
- Black tea leaves are bruised, wilted, rolled, and completely oxidized.
- Green tea leaves are not wilted and are not oxidized.
- Oolong tea leaves are bruised, wilted, and partially oxidized.
- White tea consists of young leaves that are minimally oxidized.
Black tea is the most popular in the United States and Europe and accounts for about 75% of the world’s tea consumption. In Japan and China, green tea is the most popular. People consume oolong and white tea in lesser amounts worldwide.
Most caffeinated teas
The most caffeinated teas are black and oolong teas, with decaffeinated and herbal teas containing very little to trace amounts of caffeine.
Many teas offer various health benefits, as they contain:
- Antioxidants: These delay or prevent oxidative damage, which helps lower the risk of diseases such as heart disease and cancer.
- Phytochemicals: These plant compounds occur naturally. They may boost the immune system and play a role in lowering the risk of cancer and heart disease.
- Flavonoids: These are a type of polyphenolic phytochemicals and are also antioxidants.
- Flavonols: These are a type of flavonoids in tea that are powerful antioxidants.
- Epigallocatechin gallate (EGCG): This is a catechin in black and green teas and a powerful antioxidant.
- Theanine: This is an amino acid that may help reduce stress.
Least Caffeinated Teas
Many teas have zero to trace amounts of caffeine. A person can usually find a decaffeinated version of their favorite black, green, or white tea, including Earl Grey tea, but many herbal teas are naturally caffeine-free.
The most caffeinated teas include black, oolong, green, and white teas. These all have potential health benefits, as they contain antioxidants, polyphenols, flavonoids, flavonols, and other health-promoting compounds.
Health benefits of tea include:
- cardiovascular health due to lower cholesterol
- weight loss
- antioxidant protection
- protection from the effects of harmful UV rays
- reduced inflammation
If a person wishes to avoid caffeine, which may overstimulate or interact with certain health conditions, decaffeinated varieties of popular teas are usually available. Some teas, including many herbal teas, are naturally caffeine-free. Healthy caffeine-free teas with health benefits include rooibos, hibiscus, and chamomile tea
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(Article excerpted from medicalnewstoday.com)