Later, the risk of transmission from this source was dramatically reduced by the invention of the pasteurization process.
Heating milk in the pasteurization process destroys these pathogens and eliminates many of the risks.
"A variation of half a degree [in the pasteurization process] can change the flavor of the cheese," he said.
High heat (such as the sustained high temperatures above 72 C associated with the pasteurization process) denatures whey proteins.
The fil culture is needed when using pasteurised milk because the bacteria occurring naturally in milk are killed during the pasteurization process.
"Made by machine with dead milk," he said, giving new meaning to the pasteurization process.
Compared to other pasteurization processes, it maintains color and flavor better, but some cheeses were found to have varying responses to the process.
Some of the worthwhile components of breast milk are compromised in the pasteurization process.
Humans consumed raw milk exclusively prior to the industrial revolution and the invention of the pasteurization process in 1864.
Irrespective of the method, the pasteurization process must be overseen by mashgichim to ensure the kosher status of the wine.