The chemical name of the reinforcing agent is Azodicarbonamide, and the English name is azodicarbonamide, or ADA for short. It is a yellow to orange crystalline powder. ADA has the dual functions of bleaching and oxidation, and is a quick-acting flour gluten enhancer. This product itself has no effect on flour. When it is added to flour and stirred into dough, it can quickly release active oxygen. At this time, the sulfhydryl group (-SH) of amino acid in flour protein is oxidized to disulfide bond (-S-S), which makes protein chains interconnected to form a three-dimensional network structure, which improves the elasticity, toughness and uniformity of dough, thus improving the organizational structure and physical operation performance of flour products and making the produced flour products larger in size. The main components of the reinforcing agent are in accordance with the quality standard stipulated by the national standard (GB draft, 1992): content (after drying) /% ≥ 98.6 arsenic (As) /% ≤ 0.0003 heavy metal (Pb) /% ≤ 0.003 lead /% ≤ 0.00 1 loss on drying/. Long-term exposure to a small amount can lead to chronic poisoning. And carcinogenicity. Any of these heavy metals can cause headache, dizziness, insomnia, forgetfulness, mental disorders, joint pain, stones and cancer. Lead: It is one of the most toxic heavy metal pollution. Once in the human body, it is difficult to eliminate. It can directly harm human brain cells, especially the nervous system of the fetus, and can cause congenital mental retardation. Heavy metals: lead to hypertension and cardiovascular and cerebrovascular diseases; Destroy bones, liver and kidneys, leading to renal failure. Adding these things to flour will destroy protein, which is not good for human body.