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[10] [11] Tea has one of the highest contents of flavonoids among common food and beverage products. [7] Catechins are the largest type of flavonoids in growing tea leaves. [6] According to a report released by USDA, in a 200-ml cup of tea, the mean total content of flavonoids is 266.68 mg for green tea, and 233.12 mg for black tea. [7]
In 2018, the European Food Safety Authority stated that daily intake of 800 mg or more could increase risk of liver damage. [14] Taken as a capsule or tablet 338 mg per day of EGCG is considered safe, whereas 704 mg per day is safe if consumed as a tea beverage. [13] 100 mL of green tea contains about 70.2 mg of EGCG (about 165 mg per cup). [14]
The main dietary sources of catechins in Europe and the United States are tea and pome fruits. [12] [13] Catechins and epicatechins are found in cocoa, [14] which, according to one database, has the highest content (108 mg/100 g) of catechins among foods analyzed, followed by prune juice (25 mg/100 ml) and broad bean pod (16 mg/100 g). [15]
For green and white tea: Let the tea steep for 1 to 2 minutes, then discard the tea bag or leaves. For oolong and black tea: Let the tea steep for 3 to 5 minutes, then discard the tea bag or ...
orange pigments . α-Carotene – to vitamin A carrots, pumpkins, maize, tangerine, orange.; β-Carotene – to vitamin A dark, leafy greens, red, orange and yellow fruits and vegetables.
They found that tea bags made with the plastic substance polypropylene—used to heat-seal tea bags shut—released about 1.2 billion small pieces of plastic per milliliter of tea, while bags made ...
Theaflavin (TF) and its derivatives, known collectively as theaflavins, are antioxidant polyphenols that are formed from the condensation of flavan-3-ols in tea leaves during the enzymatic oxidation (sometimes erroneously referred to as fermentation) of black tea.
You could also choose brands that offer biodegradable or plastic-free tea bags made from natural fibers like paper or cotton, per Detwiler. But tea drinkers shouldn't panic over the findings.