This same predicament is going on now in the US. They do not want us to know if the food we're buying is frankenfood.
The big food ccorporations like Nestle along with Monsanto, are paying millions and millions of dollars to lobbyists to try and defeat California's propostion on the right to mandatory labeling.
We ALL have a right to know what's the food we buy as well as the choice to not buy it.
A court in Brazil has ordered Nestlé to impose mandatory labelling for all its products in the country highlighting more than 1% genetically modified (GM) ingredients.