Tumeric is a highly prized spice, especially for Indian food. It’s also a potential nutriceutical.
The down side is that tumeric’s’s value for cuisine and health also make it a target for scammers — especially in Eastern Asia — who add lead chromate to brighten up substandard materials. And that often results in lead poisoning.
The problem is so acute that The Indian government has produced a video showing a quick and easy way to detect lead chromate adulteration.
This ad-free article is made possible by the financial support of the Center for Research on Environmental Chemicals in Humans. Please consider making a tax-deductible donation for continued research.
Our own tests
Following the Indian government’s example, we did our own testing of seven brands bought at local stores.


We put about 1/10 of a gram of tumeric from each package into 150 ml of water.


We stirred.

Then let things settle for 20 minutes. Everybody passed.
Leave a Reply