Citric acid is a type of weak organic acid often used as a food additive in many processed foods. Citric acid takes its name from citrus fruit, where it is found naturally. Citric acid gives foods that is added to a distinctively sour taste, which can be its primary use especially in soft drinks and certain other foods. Citric acid also serves as a preservative for other foods. Citric acid does not have any serious health risks related to it, but can cause irritation of the eyes and skin in high enough concentrations.
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