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The Ministry of Health confirmed on the 11th that after taking melamine, the human body will cause stones in the urinary system. This is also the root cause of the "kidney and kidney stones incident" exposed on the 11th. The Gansu Provincial Department of Health stated at a press conference held on the 11th at noon that Gansu Province has discovered that many months old babies develop urinary stones and that these babies have consumed Sanlu infant formula. At present, the province has reported 59 cases, 1 death, and some of the children have developed renal insufficiency. As of noon on the 12th, cases of infantile kidney stones were also found in Shaanxi, Ningxia, Henan, Jiangsu, and Hubei provinces.
The reporter learned from several large domestic manufacturers of melamine that melamine is a nitrogen heterocyclic organic chemical raw material and is an important urea post-processing product. Melamine is mainly used in the production of melamine-formaldehyde resin, which has excellent water resistance, heat resistance, arc resistance and flame retardancy, and is a high-quality material for the production of decorative panels. In addition, melamine is also an important chemical raw material for coatings, papermaking, textiles, paint, and leather processing industries. According to data provided by the China Melamine Industry Cooperation Committee, China is currently the world's largest melamine producer, consumer and exporter. In recent years, China's melamine production capacity, production, demand and exports have average annual growth rates of more than 10%. In 2007, the effective production capacity of melamine in China reached 720,000 tons, and the consumption was more than 350,000 tons, and the export volume exceeded 150,000 tons.
Melamine has a white monoclinic crystal shape and is odorless, resembling protein powder, and it has a high nitrogen content, commonly known as "protein essence." Proteins are mainly composed of amino acids, and their nitrogen content generally does not exceed 30%, while melamine nitrogen content is about 66%. Since the Kjeldahl method for determination of protein in foods is based on nitrogen content, protein content is estimated. Therefore, melamine causes high protein content in foods, making it easier for inferior foods to pass the tests of food inspection agencies. .
According to medical experts, melamine is a micro-toxic chemical. Human consumption of foods containing melamine causes serious diseases such as kidney stones and cannot be used as food additives.
How does melamine actually flow into the food industry? Currently, public security agencies are investigating. The reporter learned from the domestic melamine backbone enterprises that their products could not be sold to dairy products and other food production enterprises. The incorporation of melamine into fresh milk is simply an illegal activity that the illegal elements have forgotten.
According to Li Yuncai, Director of the Registration Administration Department of the Chemical Registration Center of the State Administration of Work Safety, melamine is not a dangerous chemical and therefore has not been listed in the list of dangerous chemicals, nor can it be managed as dangerous chemicals. At present, China has relatively sound regulatory systems and regulatory measures for dangerous chemicals, food additives, and foods, but laws and regulations for low-toxicity, micro-toxicity, and harmful chemicals for consumer products are not yet sound and there are no corresponding regulations. With regard to regulatory measures, developed countries such as Europe and the United States have already established a sound regulatory system and regulatory measures that are still blank in our country. Many experts and organizations have repeatedly called for the establishment of regulations and regulatory systems for the sale and use of these chemicals as soon as possible, but no progress has been made. He called on the country to establish a regulatory system and regulatory measures for chemicals that are low in toxicity, micro-toxic, and harmful to human health as soon as possible to protect people's health.
Strengthening the safety supervision of melamine is imperative
From the evening of September 11th, melamine, a chemical term, quickly entered the eyes of people. In the evening, the Ministry of Health News Office released news that it was highly suspected that Sanlu infant formula milk powder produced by Sanlu Group Co., Ltd. was contaminated with melamine and reminded the public to stop using the milk powder immediately. At the same time, it stated that the relevant national authorities had already Start an emergency investigation. Soon, Sanlu Group confirmed the matter in its product recall statement. On the morning of the 12th, Su Changsheng, head of Brand Management Department of Sanlu Group, told the media that the melamine that appeared in Sanlu milk powder did not occur in the production process, but was caused by illegal elements that incorporated melamine into fresh milk.