In no event shall the said department of health and senior services prescribe or promulgate any regulation fixing or establishing any definitions or standards which are more rigid or more stringent than those prescribed by the federal act applying to any commodity covered by sections 196.010 to 196.120 and if any product or commodity covered by said sections shall comply with the definitions and standards prescribed by the federal act for such product or commodity, such product or commodity shall be deemed in all respects to comply with sections 196.010 to 196.120.