Tannin or tannoid is a naturally occurring polyphenol found in plants, seeds, bark, wood, leaves, and fruit skins which has a bitter in flavour
Tannins can interfere with the absorption of iron
Tannin Foods
Tea
Coffee
Beer - Barley
Wine
Chocolate / cocoa powder
Apple cider
Tannin Fruits
The tannins in fruits are concentrated in the peel of the fruits.
Apples - Also think apple juice
Grapes - Also think grape juice
Berries - Blueberries, blackberries, cherries, cranberries
Pomegranates
Persimmon
Tannin Legumes
Darker-colored legumes, like red beans or black beans, contain more tannins
Chickpeas
Black-eyed peas
Lentils
Tannin Nuts
Soaking nuts take out the tannins from the skin
Peanuts
Walnuts
Pecans
Cashew nuts
Tannin Research
Research:
