Desc:Microorganisms are ubiquitous in the daily environment, and of course there are also a certain amount of microorganisms in the food we eat. The microorganisms in most foods usually do not cause harm to the human body, and they may sometimes be used specifically to produce food. However, there is also a small part of microorganisms that can cause various diseases. Preservatives came into being, so that people can eat more high-quality, fresh food. Phosphates are widely used in food additives. Is sodium hexametaphosphate a food preservative?
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