Gastrofacist

Gastrofacist, n. A person who believes that government should micromanage the food supply as per their own personal interests.

A la ethanol and now Gordan Ramsay:

Celebrity chef Gordon Ramsay says British restaurants should be fined if they serve fruit and vegetables which are not in season. He told the BBC that fruit and vegetables should be locally-sourced and only on menus when in season. Mr Ramsay said he had already spoken to Prime Minister Gordon Brown about outlawing out-of-season produce.

Gastrolibertarian

Gastrolibertarian, n. A person who believes that government should have a limited role in the food system.

Anthony Bourdain
Taras Grescoe
Joel Salatin
Many in the raw milk crowd

Varying degrees here: Taras believes the government should help manage fisheries, protect endangered species, etc., whereas Salatin is more like a agrarian"gastro-anarchist."