In the food business to use nitrate as preservatives and color can see live animals NOM. In fact, the effect of the preservative, preservative. What is important is the derivative nitrate, so in preservation. It can be used in other forms of nitrate with sodium nitrate, the nitrate is also. Also contains another kind of people like to use as a preservative is nitrite, But with the property of the nitrate and nitrite can maintain the color of meat to look fresh, always, by reaction with the color of the red blood cells. Color durability is long. Cause the merchants who don't know the danger that may occur, or may be with the selfish. For the sake of money to sell own. Put the potassium nitrate or nitrite nitrate and substance ไตรต์ high into the food to cover condition. Real food to feed the salted fish, salted fish sausage, sausage, bacon, sausage is pretty red even hold long days of sampling. Once detected, dried meat, meat, sausage, raw heaven kidney substance of nitrate and nitrite in very high volume over the Ministry of health in use. The purpose that the food and drug administration allows the use of substances in this group. Since these substances are in. Preventing the growth of bacteria species. Especially prevent growth of beautiful botulinum. The bacteria can create the toxin botulin has serious harm. This kind of disease often grow in food storage container in the closed air to pass out, such as canned food.
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