Question

Which of the following acid is mainly present in tomato ?
1. Lactic acid
2. Tataric acid
3. Acetic acid
4. Citric acid and Malic acid

Answer 1

Correct Answer - Option 4 : Citric acid and Malic acid

The correct answer is Citric acid and Malic acid.

• Citric and malic acid are the main organic acids in tomatoes. 
• Tomatoes are a good source of vitamin C and potassium.
• Other acids like oxalic acid and ascorbic acid are also present in tomatoes.

• Tomato contains more than 10 different types of acids.
• We need to choose our answer from the options given.
• You may think that oxalic acid is the correct answer but since it is not given in options, we need to choose our answer from the given options.
• Thus, the correct answer is Citric acid and Malic acid.

• Acid: An acid is any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance. 
• Acidic substances are usually identified by their sour taste.
• Organic acid: An acid made up of molecules containing organic radicals; e.g., acetic acid, citric acid, which contain the ionizable -COOH group.
  These are found in fruits and vegetables.

• Lemon: Citric acid
• Tamarind: Tartaric acid
• Apple: Malic acid
• Buttermilk, Curd, Cheese: Lactic Acid