| This bottle of Ascorbic Acid from Excalibur is a natural alternative to using Sodium Bisulfate. Ascorbic Acid or Vitamin C, while not as effective as Sodium Bisulfite, offers a natural option to help prevent discoloration caused by oxidation when drying. Our Ascorbic Acid is 100% Pure, nothing added. Each ¼ teaspoon contains 1,167 mg Vitamin C supplying 1,944% of the United States Recommended Daily Allowance for Adults and Children. Can be used for Drying, Canning or as a supplement. 10 oz jar |