Food Preservation alludes to any of various strategies used to keep food from ruining. It incorporates techniques, for example, canning, pickling, drying and freeze-drying, light, purification, smoking, and the expansion of substance added substances. Protection defends that the quality, edibility and the nutritive estimation of the food stays flawless. It likewise embroils maintaining a strategic distance from the development of microbes, growths and different microorganisms just as impeding oxidation of fats to decrease rancidity. The system likewise ensures that there is no discolouration or maturing and furthermore includes fixing to forestall re-emergence of microorganisms. Essentially food conservation guarantees that food stays in a state where it isn't defiled by pathogenic life forms or synthetic concoctions and doesn't lose ideal characteristics of colour, texture, flavour and nutritive value.