Alderman Farms Sales Corporation of Boynton Beach, FL issued a voluntary recall of its organic cherry tomatoes Friday after the U.S. Food and Drug Administration discovered Salmonella in a sample of the product.

The affected tomatoes were sold to a wholesaler on May 22, 2013.

The cherry tomatoes were sold in square on-pint clear plastic clamshell containers marked with the label “Alderman Farms Organic Cherry Tomato.” They carry UPC number 6317195594. The product has an estimated shelf life of 10 days. The carton lot number affected by the recall is 13269. The cartons in which the clamshell packages were distributed are labeled “Alderman Farms.”

Alderman Farms said it had conducted its own Salmonella test on a sample from the affected lot that came back negative. The company is looking into the source of the contamination.

No illnesses have been linked to consumption of the cherry tomatoes to date.