History of food processing.
D001628:Beverages; D001939:Bread; D003296:Cooking; D003611:Dairy Products; D003612:Dairying; D005285:Fermentation; D005396:Fish Products; D005503:Food Additives; D005519:Food Preservation; D005520:Food Preservatives; D005524:Food Technology / Q000266:history*; D005525:Food-Processing Industry / Q000266:history*; D005628:Frozen Foods; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D008383:Margarine; D008460:Meat; D012034:Refrigeration; D013213:Starch; D013395:Sucrose
D005503:Food Additives; D005520:Food Preservatives; D013395:Sucrose; D008383:Margarine; D013213:Starch