The lemons are a sour fruit.
Malic acid is an acid that is tart and produced naturally in unripe fruits. Citric acid is naturally in the juice of sour fruits and commercially made. Commercial citric acid is made from fermented sugar.
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.
Citric acid is commonly found in fruits like lemons and limes, which gives them their sour taste. Other acids that contribute to sourness in food include acetic acid in vinegar and lactic acid in yogurt.
The acid responsible for the sour taste of grapefruit, lemons, and oranges is citric acid. Citric acid is a natural compound found in citrus fruits that contributes to their tangy flavor profile.
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.
Malic acid is produced by all living things. Malic acid is most commonly found in fruits. The acid is commonly used as a food additive as it lends a pleasant sour taste.
The sour taste of citrus fruits is due to the presence of citric acid, which is a carboxylic acid functional group. This acid gives citrus fruits their characteristic tart flavor.
The carboxylic acid in tamarind is tartaric acid. Tartaric acid is a natural organic acid found in many fruits, including tamarind, and it contributes to the sour taste of tamarind.
Citric acid. It is also found in limes and other varieties of citrus fruits. It is what gives them their sour flavor.Lemon juice contains citric acid.
Citric acid is a bitter crystalline acid. It can be found in most sour fruits. Citric acid can reduce fatigue, and it can also make stress go away.
Some fruit tastes sour because, god makes them sour, we cant change the sour of a fruit or a vegetable.
The acid found in citrus fruits is called the citric acid and can provide a sour taste and helps fight of predators with its sting when it gets into your eyes so the acid in citrus fruit is citric :)