The study found that potentially carcinogenic N-nitroso compounds are formed in the gut when heme iron from red meat and gut bacteria trigger meat protein to combine with nitrites.

• 这项研究发现，来自红肉的血红素铁和肉类蛋白质引发肠道细菌结合，在人体内可能形成致癌的N-亚硝基化合物-亚硝酸盐。