As “natural” foods grow in popularity, food manufacturers look for ingredients to fit the “natural” claim.
To prohibit mold growth, the use of cultured dextrose can be used. This sugar powder is fermented. Then it is used in combination with other preservation methods such as modified atmosphere packaging, bioactive packaging and high pressure processing, and bacteriophages.
They can be use a variety of foods such as dairy products, salad dressings, ready-to-eat meals, cured meats, and baked goods.
Source: http://bit.ly/1RhKHA5
One manufacturer of this product is Danisco.
www.danisco.com/product-range/antimicrobials/microgard/