Citric Acid Is A Natural Food Preservative Found In Citrus Fruits Such As Lemons and Limes. This Fine Granular Non-GMO Citric Acid Powder Is The Perfect Tool For Sprouting, Canning, Drying or Freezing, Conserving, Jarring And So Much More. McCall's  Pure Food Grade Citric Acid Has Many Uses In The Kitchen Such As Making Ice Cream, Candy, Or Bread. Citric Acid Adds An Acidic or Sour Taste When Used For Cooking With Meats Or Soft Drinks. Dusting Some Powder Over Freshly Cut Fruits Will Keep Them From Browning, A Great Way To Keep Fruits And Vegetables Fresh And Foods Flavorful.