They have acids in them--citric, malic, or tartaric acids. Acids are sour.
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.
Some fruit tastes sour because, god makes them sour, we cant change the sour of a fruit or a vegetable.
its true
I assume you mean acid. If that is the case, lemons, oranges, pineapples, limes, sour apples, sour plums, sour grapes, and tangerines all have acid in them.
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.
Some individuals, regardless of gender, enjoy sour fruits due to their unique and tangy flavor. Preferences for certain tastes can vary widely among individuals, so it's not necessarily true that all girls like sour fruits. It ultimately comes down to personal taste.
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.
One way to incorporate sour fruits into a delicious and refreshing summer dessert is to make a citrus sorbet by blending sour fruits like lemons, limes, or grapefruits with sugar and water, then freezing the mixture until it's firm. Another option is to make a tangy fruit salad by combining sour fruits like kiwi, pineapple, and berries with a touch of honey or lime juice for added sweetness. Lastly, you can also bake a sour fruit pie or tart using fruits like rhubarb or sour cherries for a tangy and flavorful dessert.
There are naturally occurring sugars and ascorbic acids in fruits that cause this.