Citric acid is a weak organic acid with the formula C6H8O7. It is a natural preservative which is present in citrus fruits. It is also used to add an acidic or sour taste to foods and drinks. In biochemistry, the conjugate base of citric acid, citrate, is important as an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms. It consists of 3 carboxyl (R-COOH) groups.
Food Property | Type | Description |
---|---|---|
Flavor Profile | Sour | Citric acid is responsible for the sour taste in foods. |
Aroma | Volatile Compounds | Citric acid contributes to the aroma of foods by enhancing the perception of other flavors. |
Nutritional Value | Micronutrients | Citric acid provides a small amount of vitamin C, a micronutrient essential for human health. |
Chemical Composition | Acidity/Alkalinity (pH) | Citric acid is an acidic compound, which can affect the overall acidity/alkalinity (pH) of a food product. |
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