Foods Group is voluntarily recalling some varieties of Kraft andPolly-O String Cheese and String Cheese Twists products.
The products may spoil before their "best when used by" code dates, leading to product discoloration, the U.S. Food and Drug Administration said in its recall alert to the public.
The affected products all have code dates from Oct. 25, 2013 through Feb. 11, 2014.
Approximately 735,000 cases of the affected product were shipped to customers across the United States. The affected product was not distributed in Canada, the FDA said.
Kraft said it was recalling the products after receiving several reports from consumers of premature spoilage of some of the string cheese products listed above.
Kraft has ceased the production and distribution of the affected products from the Campbell, NY facility where they were made as the company continues its investigation to resolve the problem.
Consumers who purchased the products should not eat it, return it to the store where purchased for an exchange or full refund.
Consumers also can contact Kraft Foods Consumer Relations at1-800-816-9432 between 9 a.m. and 6 p.m. Eastern time.