Ascorbic Acid

• Ascorbic acid preserves the color of juice.juice image by Marek Kosmal from Fotolia.com
  
  Ascorbic acid, or Vitamin C, is used to preserve the color of a fruit drink by increasing the vitamin C content, which interacts with the unwanted oxygen and improves coloration.
  
  

Carrageenan

• Carrageenan, which is derived from seaweed, is a preservative that is used as a stabilizing agent for fruit jelly.
  
  

Citric Acid

• Found as a naturally occurring ingredient in fruit, citric acid, or sodium citrate, is a preservative used in fruit drinks.
  
  

EDTA

• EDTA, a preserving agent, is used in processed fruits to reduce the amount of metal contamination from food-manufacturing machines.
  
  

Benzoic Acid

• Used to preserve fruit juice, sodium benzoate, or benzoic acid, has been used for the last 100 years to prevent microorganisms from growing in acidic fruits.
  
  

Sorbic Acid

• Scorbic acid is used to prevent mold in dry fruit.dried mixed fruits image by pdtnc from Fotolia.com
  
  Sorbic acid, or potassium sorbate, is used to prevent mold from forming in dry fruits and jelly.