Materials to be used to solve the product in pastry are calcium propionate and acetic acid in pastry. Calcium propionate as a preservative to prevent mold and can be soluble. It produced by bacteria in genus of Propionibacterium amount of use to 0.2-0.3% of food or 0.1-0.4% by weight of flour. And acetic acid prevents spoilage by bacteria and fungi, but not interferes with yeast. It Improves flavor and extend the shelf life. Limit to not more than 0.4 mg / kg food