The lemons are a sour fruit.
Citric Acid
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.
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.
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.
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 :)
The characteristic sour taste in citrus fruits is from citric acid. Other tastes commonly found in citrus fruits come from certain bioflavonoids as well as Limonoid.
in fizzy drinks , sour fruits and in vitamins C
Citric Acid
Lactic acid is an organic acid. It can be found in sour milk.
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.
Yes, Malic acid is in pigs. Malic acid is an organic compound with the formula HO2CCH2CHOHCO2H. It is a dicarboxylic acid which is made by all living organisms, contributes to the pleasantly sour taste of fruits, and is used as a food additive. It is usually found in pigs and pigs are killed for this acid.