No lot may be used as or for a trailer camp, tourist cabin or automobile court. No building may be erected, altered or used, and no lot or premises may be used for any trade, processing or business which is noxious or offensive by reason of odor, dust, smoke, gas, vibration, illumination or noise, or which constitutes a public hazard whether by fire, explosion or otherwise. No commercial enterprise authorized under the chapter, either specifically or permitted as a special exception, which is principally devoted to the sale for consumption, either on or off the premises, of food, shall be permitted to be open to the public between the hours of 1:01 a.m. and 4:49 a.m., prevailing time.