3-Food: Tests find traces of GM crops in US wheat supply
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TITLE: Tests find traces of GM crops in US wheat supply
SOURCE: Reuters, by Carey Gillam
DATE: June 3, 2003
------------------ archive: http://www.gene.ch/genet.html ------------------
Tests find traces of GM crops in US wheat supply
KANSAS CITY, Mo. - Tests have revealed that traces of genetically
modified grains are repeatedly creeping into U.S. wheat supplies, even as
the debate rages over whether the world's first biotech wheat variety
should be released in North America, grain industry sources said.
Biotech soybeans and corn, the two most widely grown genetically modified
crops in the world, are the common culprits. Traces of the GM crops have
been found not only in unmilled wheat but also in flour used to make
bread and other foods, sources said.
The findings come at a time when debate over biotech wheat is reaching a
Critics fear that Monsanto Co.'s (MON.N) plans to release a genetically
modified spring wheat in the United States and Canada will cripple wheat
exports and add complications and costs for domestic players. The
Canadian Wheat Board, which controls that country's wheat exports,
pleaded with Monsanto this week to drop its bid for North American
Many countries that buy grain from the United States refuse to purchase
bioengineered varieties, saying their consumers fear that the long-term
health and environmental impacts of the GM grains have not been established.
At Rank Hovis, the largest miller in the United Kingdom and an importer
of U.S. wheat, testing for biotech contamination has repeatedly found
evidence of genetically modified soybeans and corn particles mixed in
with wheat supplies, wheat director Peter Jones said.
"We routinely find beans and maize (in wheat) and we must accept that
these are genetically modified," said Jones.
U.S. industry sources are reluctant to discuss the matter openly because
of fears of scuttling U.S. wheat sales to countries wary of genetically
But they say the findings of biotech materials in nonbiotech wheat
illustrate the difficulties that lie ahead in trying to segregate wheat,
the most actively traded grain in the world.
"We've already got GM contamination in wheat in small levels from non-GM
sources," said one U.S. milling source. "If we can't keep the corn and
soybeans out of the wheat, how are we going to keep the GM wheat out of
"The slightest little detection can complicate wheat shipments going out
of this country," said Steven Tanner, director of the U.S. Grain
Inspection Packers Stockyards Administration technical services division.
"The question comes down to what is reasonable. If you're going to say
zero tolerance you might as well stop world trade," Tanner said.
Millers said cleaning techniques remove most if not all traces of foreign
matter, though some small amounts are making it into flour.
In the United States, some major flour companies have started testing
wheat for customers who do business in other countries where no
genetically modified foods are allowed. Samples have turned up positive,
causing headaches and revisions to contracts, industry sources said.
The wheat most likely mixes with foreign materials as it moves through
storage and transportation systems that handle a variety of grains,
The issue is not a new one. Four years ago, Thailand detected genetically
modified materials in a shipment of U.S. wheat and determined that GM
corn was to blame. The government then announced it would ban the import
of all GM seeds.
U.S. Wheat Associates said that it is not only U.S. wheat that often
contains small amounts of biotech grains.
In the European Union, which imports about 2 million tonnes of spring
wheat from the United States and Canada annually, many European grain
companies have developed tests to determine the presence of nonwheat
biotech material down to a level of 0.1 percent, according to U.S. Wheat
Wheat industry sources said most grain traders - both sellers and buyers
- would rather avoid testing wheat. They prefer to rely on the "letters
of assurance" that routinely accompany U.S. and Canadian wheat sales. The
letters certify there are "no transgenic wheat varieties for sale or in
But once regulatory approval is granted, even if Monsanto still has not
released its biotech wheat, those assurances could be lost.
"Europe has already been testing wheat," said U.S. Wheat Associates vice
president Nelson Denlinger. "When you get down to commercialization
you're going to have a major problem if people want non-GM wheat."
European NGO Network on Genetic Engineering
Hartmut MEYER (Mr)
Kleine Wiese 6
D - 38116 Braunschweig