Abstract: Provided herein are systems, ultraviolet (UV) devices, and methods for UV disinfection and sterilization, more specifically, systems, devices, and methods for UV disinfection and sterilization of a container, room, space or defined environment. The systems, UV devices, and methods are particularly useful for the UV disinfection and sterilization of a container used in the food and dairy industry and for containers used in the process of fermentation for an alcoholic beverage. Provided are also systems, UV devices, and methods for inhibiting the growth of one or more species of microorganisms present in a container, room, space or defined environment preferably for inhibiting the growth of one or more species of microorganisms present on an interior surface of a container, room, space or defined environment.