Any acidic compound in the food.
For example, citric acid (citrus fruit), tannic acid (tea), acetic acid (vinegar), benzoic acid (cranberries), and oxalic acid (pepper).
Miracle Fruit!
Milk chocolate has a sweet taste. Dark chocolate has a very bitter taste. Sugar causes chocolate to become sweet.
Acids taste bitter.
It is incredibly bitter, definitely an acquired taste
Too much salt or not enough sugar have cause a lot of cornbread to have bitter taste
Bases taste bitter. Acids taste sour.
Bitter-melon.
Bitter
Pine nuts have a slightly bitter taste and can sometimes leave a Bitter Taste in your mouth.
Adding sugar will remove some of the bitter taste. If the berries are under-ripe, it will be impossible to remove all of the bitter taste.
Acids taste sour and bases taste bitter. Bases and Bitter both start with 'B', so I never confuse.
A bitter taste in mouth can be caused by using canned air because it contains a bitterant. Be sure to wash your hands and lips and any part of your body that might have contacted the canned air substance.