With the invention of tinned goods and pasteurisation in the 19th century, food alchemy became possible on an industrial scale.

随着19世纪罐头食品和巴氏灭菌法发明，食品行业扩大到业规模。

To keep it from spoiling, producers pasteurize it and also remove all the oxygen in a process called deaeration.

为了防止们损坏，制作中会用巴氏法灭菌以及有一个排气过程来排出所有氧气。

The roots of today's food industry stretch back to 19th-century innovations such as pasteurisation and canning that helped make food plentiful, convenient and safe.

当今食品业根源可以追溯到 19 世纪创新，例如巴氏灭菌法和罐头加法，这些创新使食品变得更加丰富、方便和安全。