what is citric acid used for in foods
The acidic pH of citric acid also makes it useful as a preservative. Since many bacteria are unable to grow in an acidic environment, citric acid is often added to jams, jellies, candy, canned foods, and even meat products as a preservative.itric acid can be purchased in powder form and is usually available in stores with other home canning supplies. Citric acid may also be found in natural food stores or health food stores with other vitamins and dietary supplements.