She urged EU governments to stand by Burma's democracy campaigners and called for strengthened sanctions, with the prospect of an investment ban, in response to the junta's violent repression of demonstrations.
"All those who do business in Burma provide the lifeblood of that odious regime hunkered down in the jungle," she said.
Speaking about EU foreign ministers who meet in Luxembourg next week, Mrs Kinnock, patron of the Burma Campaign UK, said: "The tragedy is that the prospect of a strong and unequivocal response to the horrific events in Burma has receded as they prevaricate about the need to agree targeted economic sanctions.
"The EU's subscription to human rights will be severely questioned if there isn't a clear signal that the recent events in Burma deserve a robust European response.
"That means strengthened sanctions on individuals and on imports of commodities such as gems, timber and metals.
"So too must there be the prospect of an investment ban if there is no progress on talks - without conditions imposed by the junta - with the opposition and ethnic nationalities.
"All those who do business in Burma provide the lifeblood of that odious regime hunkered down in the jungle.
"EU Member States must stand firm and keep their word. There is no justification for inaction now, of all times, as the brutality continues against those who joined the biggest popular uprising for two decades.
"Europe must stand by those who demonstrated with such dignity and who dared to speak out in the face of threats of execution, arbitrary arrest and torture."
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