THE tests that the US government relies on to keep foods free from
genetically modified contaminants can miss low levels, claims a controversial
research paper by the Iowa company Genetic ID.
The tests in question use antibodies to detect the presence of GM foods. But
the companies making such tests claim the report is an attempt by Genetic ID to
promote the technique it uses.
Genetic ID prepared samples of soybean containing between 0.1 and 10 per cent
GM beans, and sent them to official testing labs. Of the samples with a GM
content of less than …