I suspect the author was thinking "homogenizing" but his brain picked pasteurizing by accident. Pasteurizing and homogenizing are both things done to milk, but

I suspect the author was thinking "homogenizing" but his brain picked pasteurizing by accident. Pasteurizing and homogenizing are both things done to milk, but homogenizing has an additional meaning of making something uniform (and more loosely it's often used to imply that you've made something generic, bland, and boring).