a system and method for sterile packaging of beverages in plastic containers forms the plastic containers and fills them with sterile beverages in a common sterile environment . the containers are formed from a blow molding process in which the containers reach elevated temperatures sufficient to at least inpart sterilize the interior of the containers , are filled with sterile beverages immediately after the containers are formed in the same sterile environment . this eliminates the need for heavy use of sterilizing fluids for the plastic containers such as hydrogen peroxide or the like .