Question

Difference between canning and pasteurization

Answer 1

canning is covering the food materials in tightly packed cans or tins so as to not allow any harmful materials inside it.
pasteurization is usually done with milk when a substance is heated to a very high temperature and the suddenly cooled to a very low temperature in order to kill all the microbes.

Answer 2

the difference is that the canning process is just to preserve the food inside a can, but the pasteurization process is to kill the bacteria found in wine and milk that can cause bacterial diseases and to preserve the wine and milk.