It is well known that populated foods such as potato chips are high in fat and eaten too much to cause obesity. However, it is little known that such foods are frequently exposed to excessive lead.
Lead is a harmful element to the human body. If it is too much to be excreted in time, it will cause toxic side effects on the nervous system, cardiovascular system, skeletal system, reproductive system and immune system, leading to osteoporosis. Anemia, mental paralysis, memory loss and other symptoms. Children and pregnant women are particularly vulnerable. Lead poisoning leads to a decline in children's intelligence, learning ability, and cognitive comprehension. They are characterized by inattention, hyperactivity, impulsivity, and language learning disabilities.
Puffed food is easy to lead exceeds the standard? Puffed food raw materials themselves are free of lead or lead, and their lead exceeds the standard mainly related to their processing technology. Such foods need to pass through metal pipes, and the heavy metals contained in equipment or pipes will be vaporized at high temperatures. Contaminated food. In addition, if the package printing uses poor lead-containing ink, it is also easy to react with food, causing lead to dissolve contaminated food. It should be noted that if the company strictly controls and controls the industrial process, its lead content can be controlled within the limits set by the state, and everyone can rest assured to eat.
In addition, traditional preserved eggs are also prone to lead exceeding the standard. The pickling process requires the addition of lead oxide in the feed liquid. The main function is to promote the entry of the feed liquid into the egg, so that the gelation process of the protein is more complete, and the speed of turning the egg is accelerated, so that the taste of the preserved egg is better. It is gratifying to note that in recent years, many methods have been used to replace lead oxide to make preserved eggs by other substances such as zinc oxide, which is called “lead-free preserved egg processâ€. In general, preserved eggs made by traditional techniques are prone to black spots on the eggshell. Preserved eggs made using a lead-free process are less likely to produce black spots. It is worth reminding that regular manufacturers rarely use the old craft to pickle preserved eggs. The preserved eggs that are produced and sold by individuals are difficult to be supervised. They may also be poorly controlled by lead-free processes or use old techniques, resulting in excessive lead in the preserved eggs. Therefore, it is recommended that you buy preserved eggs to the regular supermarket and purchase products that are clearly marked with "lead-free" labels.
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