As used in sections 275.460 to 275.468, the following terms mean:
(1) "Commercial producer", an individual or legal entity in this state who has a Missouri manufacturer's license for the production of wine;
(2) "Grape or grapes", grapes used for the production of wine produced by commercial producers in this state;
(3) "Grape juice", grape juice used for the production of wine produced by commercial producers in this state.