contamination

Researchers Find Lead in Turmeric

by Stanford University

Some spice processors in Bangladesh use an industrial lead chromate pigment to imbue turmeric with a bright yellow color prized for curries and other traditional dishes, elevating blood lead levels in Bangladeshis

Solving a Hairy Forensic Problem

by American Chemical Society

Researchers can now more accurately distinguish between the intake of a substance and external contamination of hair samples