...Sweet is one of the five main tastes. It has smooth and round notes in its flavor profile. Sweet is a naturally occurring flavor in many foods, including fruits, berries, winter squashes, sugarcane, and honey. The sweet taste in these foods is due to a higher sugar content. Sweetness is characteristic of desserts and is used as an accent in savory foods.
...Bitter is one of the five main tastes. It has a sharp and pungent profile. Bitter is a naturally occurring flavor in many foods, including coffee, chocolate, bitter melon, and chicory. Bitter is used sparingly to accentuate the flavors around it and can be mellowed by other tastes in both savory and sweet dishes.