Is food preservative harmful

Introduction: food preservatives have a sustained inhibitory effect on the growth of microorganisms whose metabolic substrate is putrefactive It is important that it can inhibit the occurrence of the most perishable effect under different conditions, especially when the general sterilization effect is not sufficient, it still has a sustained effect Let's follow the small edition of Baibai safety net to see if food preservatives are harmful? Food preservatives are additives that can prevent spoilage caused by microorganisms and prolong the shelf life of food Because it also has the function of preventing food poisoning caused by microbial propagation, it is also called anti microbial agent Its main function is to inhibit the propagation of microorganisms in food Let's see if food preservatives are harmful? The preservatives in food production are mainly potassium sorbate and sodium benzoate, which have certain toxicity, but are very low They have been repeatedly tested and proved before being allowed to use, and will not cause acute injury to human body, so they can be safely used In the process of food production and processing, due to the different types, properties, use range, price and toxicity of preservatives, the following points should be paid attention to before reasonable use 1 Before adding preservatives, the food should be completely sterilized, and there should be no large number of organisms, otherwise the addition of preservatives will not play an ideal effect Such as potassium sorbate, not only will not play the role of anti-corrosion, but will become a source of nutrition for microbial reproduction 2 The toxicity and application range of various preservatives should be understood, and they should be added according to the safe use amount and application range For example, sodium benzoate, because of its strong toxicity, has been banned in some countries, and China has strictly determined that it can only be used in sauces, jams, pickles, cans and some wines 3 It is necessary to know the effective use environment of all kinds of preservatives Acid preservatives can only be used in acid environment with strong and effective anticorrosion effect, but not in neutral or alkalescent environment, such as potassium sorbate, sodium benzoate, etc.; while Nipagin Esters in ester preservatives can also be used between ph4-8 with good effect 4 It is necessary to know the types of microorganisms that can be inhibited by various preservatives Some preservatives have effects on mold and some on yeast Only by mastering the characteristics of preservatives, can drugs be applied to the case Generally, there are many products that have been compounded to carry out comprehensive anti-corrosion and preservation, such as Jianying anti-corruption king and anti mildew preservatives 5 According to different kinds of food processing technology, we should consider the price and solubility of preservatives, as well as the impact on food flavor and other factors, and then use them flexibly Through the introduction of Baibai safety net, food preservatives are harmless and can be eaten at ease If you want to know more about food additives, you can continue to browse the content of food safety on this net, so that your family can eat safe and healthy food Editor in charge: Zhang Xiaofu