These beads even bore traces of red ochre, used as a pigment.

BBC: NEWS | Science/Nature | Study reveals 'oldest jewellery'

They said the temple walls were made of stone and covered in fine yellow clay which also contained some traces of red paint.

BBC: El Paraiso site

The reaction to this debacle was so strong that manufacturers not only scrambled to remove any last traces of Red 2 from products but also stopped using other permitted red colorings.

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