Melamine 'Widespread' In China's Food Chain

From New Scientist:

Melamine, the chemical that has tainted milk formula in China and made thousands of children ill, may have been part of the food chain in China for a long time, say food experts. But the health effects of long-term exposure in adults are unclear.

So far, 53,000 infants have fallen ill after drinking formula milk deliberately adulterated with melamine. Four babies have died, 13,000 have been hospitalised and 104 are in a critical condition with kidney stones caused by the adulterant. A girl in Hong Kong has become the first case of poisoning outside China.

The makers of baby formula require their milk to have a high protein content, which they determine by measuring its nitrogen content. But farmers who produce milk that doesn't meet this standard can beat the test by mixing it with melamine powder.

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