The role of food preservatives

Introduction: the function of preservatives is to delay the decay of food Food will not go bad within the shelf life What are the functions of food preservatives? Understand through Baibai safety net The biggest use of food preservatives is widely used to delay the rottenness of food They are used in many foods, including meat and cans What are the functions of food preservatives? Learn from Baibai safety net in detail Here is the most detailed knowledge of food additives The main function of preservatives is to inhibit the growth and reproduction of microorganisms, so as to prolong the preservation time of food and inhibit the substance corruption Food preservatives can inhibit microbial activities, prevent food from spoilage, and thus extend the shelf life of food Most drinks and packaged food want to be preserved for a long time, they often need to add food preservatives Preservative is a kind of food additive for the purpose of maintaining the original quality and nutritional value of food It can inhibit microbial activity, prevent food from spoilage and prolong the shelf life The specified preservatives include benzoic acid, sodium benzoate, sorbic acid, potassium sorbate, calcium propionate, etc The antiseptic principles of preservatives are as follows: one is to interfere with the enzyme system of microorganisms, destroy their normal metabolism, and inhibit the activity of enzymes The second is to coagulate and denature the protein of microorganism, which interferes with its survival and reproduction The third is to change the permeability of cell plasma membrane, inhibit the elimination of enzymes and metabolites in vivo, leading to its deactivation Many people want to know how to judge the amount of food preservatives? The simplest way is to test the food safety detector, which can quickly know the harmful substances in the food Editor in charge: he xianrob