Principle of benzoic acid preservative

Introduction: there are many preservatives Benzoic acid is one of them What is the principle of benzoic acid preservative? Let's learn more about it through Baibai safety net Preservatives for food are still very common Preservatives are mainly used to keep products from rotting and deteriorating They are widely used in food, especially benzoic acid preservatives What is the principle of benzoic acid preservatives? Learn more about it through the safety net of Baibai There are three antiseptic principles of benzoic acid preservatives: 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 proteins of microorganisms, which will interfere with their 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 Benzoic acid preservative has antibacterial effect In acid environment, 0.1% concentration has antibacterial effect In general, the effect of low pH value is better For example, at pH3.5, 0.125% concentration can kill Staphylococcus within 1 hour The effect is weakened in alkaline environment External use can resist superficial fungal infection The growth of bacteria and fungi can be inhibited by adding 0.05% ～ 0.1% concentration of drug preparation or food as preservative Through the above understanding, it is very helpful to know the anticorrosion principle of benzoic acid preservative, and know more about food additives in life If you want to know whether food preservatives are harmful? How to use food safety detector, you can go to Baibai safety net Editor in charge: he xianrob