Chemical Process

[rust8y]

In an experiment, we were told to make some casein by mixing vinegar with low cream milk. What is casein and the purpose of adding the vinegar?

[Primarygun]

I don't know why how the experiment exactly works.

I browsed several web sites and found some answers.

The vinegar (acetic acid) reacts with the milk to denature casein

Here's a pretty good web site about the casein

http://en.wikipedia.org/wiki/Casein