- Black tea provides 1.99mg/100ml of quercetin and is rich in manganese, potassium, and many flavonoids.
- Coffee only possesses 0.05mg/100ml of quercetin, 1/40th of what black tea provides.
- Green tea has about 25% more quercetin than black tea, with 2.49mg/100ml
- As you would expect, Oolong tea falls between black and green tea with 1.3mg/100ml of quercetin.
- White tea offers no quercetin.
- Commercially produced ready-to-drink black tea contains 0.74mg/100ml of quercetin, a fraction of what brewed black tea provides.
- Black tea provides 1.99mg/100ml of quercetin and is rich in manganese, potassium, and many flavonoids.
- Coffee only possesses 0.05mg/100ml of quercetin, 1/40th of what black tea provides.
- Green tea has about 25% more quercetin than black tea, with 2.49mg/100ml
- As you would expect, Oolong tea falls between black and green tea with 1.3mg/100ml of quercetin.
- White tea offers no quercetin.
- Commercially produced ready-to-drink black tea contains 0.74mg/100ml of quercetin, a fraction of what brewed black tea provides.