High pressure treatment can be performed in a number of different ways, including high pressure pasteurization (destruction of all pathogenic microorganisms) and high pressure sterilization (removal of all microorganisms). Pulsed Electric Field Conservation is the heating of food through the use of electric fields. These forms of advance food preservation allow for uniform penetration of food. They are useful because they reduce water activity and the number of microorganisms able to thrive in the food product. Conclusion Food additives are chemicals that are intentionally added to foods to achieve a desired effect. There are several types of food additives that are used regularly in many of the foods we consume. Some examples of food additives include color, flavors, preservatives and antioxidants. Although the advantages are numerous, the presence of additives in foods also presents numerous disadvantages. Food additives are known to cause many health-related problems when consumed. They have an even worse effect on children than on children