WASHINGTON (Reuters) - The U.S. Treasury Department on Friday moved to freeze assets of 17 business enterprises controlled by the Zimbabwean government because their support of President Robert Mugabe's regime undermines democracy.

The Treasury said it is banning Americans from doing business with the entities, which include the Agricultural Development Bank of Zimbabwe and producers of minerals, steel, textiles, chemicals and other services.

The action seeks to freeze any assets that the entities have under U.S. jurisdiction.

(Reporting by David Lawder; Editing by Leslie Adler)