Sorting out cancer IQs in browned meat. (food-borne mutagens)

From: Science News | Date: January 8, 1994| Author: Raloff, J. | Copyright information

The same chemical reaction that imparts a desirable flavor to browned meats also produces a host of powerful mutagens know as heterocyclic amines (HCAs). In animals, researchers have linked these food-borne mutagens -- especially one known as IQ -- to an increased risk of cancers in the colon and other organs. However, a central question remained: How does IQ foster such cancers, since no HCA is carcinogenic without first being metabolized, or transformed -- either by intestinal...

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