MIAMI - The U.S. Food and Drug Administration, on behalf of the U.S. Marshals Service, seized spices and food additives that were held in "insanitary" conditions at Lyden Spice Corporation in Miami, Florida Friday.Investigators said in a news release that the products "were exposed to widespread rodent infestation as well as other pests, such as live and dead insects."The seized products included more than 25,000 boxes and bags of spices and food additives like monosodium glutamate, crushed red chili and sesame seeds that were going to be up for sale.RELATED: Government report finds ‘alarming levels’ of heavy metals in more baby foods"The FDA plays a critical role in safeguarding the U.S.