Consumers hit by mysterious 'pine mouth' problemPine nuts leaving bitter, metallic aftertaste

01 August 2010

Pine nuts

Unlucky consumers have been hit by a mysterious condition known as 'pine mouth'.

Pine mouth leaves sufferers with a bitter, metallic aftertaste for about a week, and is thought to be a result of eating pine nuts from certain countries – though only some people are affected.

The first reports came from the US about nuts from China. We don’t yet know how widespread the problem is in the UK.

Have you been affected?

While some of the supermarkets we spoke to were aware of the problem, none are taking any action. The Food Standards Agency (FSA) is looking into the issue.

If you’ve suffered from pine mouth, email us at with the details - including where you bought the nuts and what country they came from.

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