Define Evolution of food processing?

• 8000 - 7000 BC. Mankind first began farming, growing crops and raising animals for food instead of hunting and gathering for food.
• 4000 B.C. Salt, chemicals in smoke, drying, use of snow and ice were used for storing food for long times.
• 3000 B.C. Yeast was used to make alcoholic drinks by fermentation.
• 200 A.D. Bacteria were used to make yogurt by fermentation.
• 1810 Nicolas Appert (1752-1841) discovered a way of preserving food in sealed containers. Canning industry is developed from his discovery.
• 1860s Louis Pasteur (1822-95) invented a way of killing harmful microbes in wine and beer.