Some sour fruit could be green grapes, green apples, and mabey a grape fruit that you ate to early.
Some fruit tastes sour because, god makes them sour, we cant change the sour of a fruit or a vegetable.
I would say lemon, very sour, although it depends which one you get, some taste sweet.
Sour is yummie. That's why.
Apples are not citrus fruits because they are not sour. Citrus fruits are sour. Fruit that grows from a pollinated flower is considered citrus.
The lemons are a sour fruit.
They have acids in them--citric, malic, or tartaric acids. Acids are sour.
its true
scurvy
yes
not always! if you say that ,how about a sweet green kiwi compared to a sour yellow lemon?it depends on the fruit.
because there is an ingredient that makes a acidy solution to make a sour taste in the mixture
Ascorbic acid (aka vitamin C) gives many fruits that crisp, slightly sour taste. Add citric acid of the citrus fruits and you get sour like a lemon. Malic acid in apples provides the sour/tart flavor. Tartari acid in grapes provides the tart taste there.