No, You Shouldn’t Add Salt To Your Milk To Make It Last Longer
“So you know when you go to the supermarket and you buy a ready-to-eat meal and you have the traffic light system: green, yellow and red, and it will say it’s got salt, sugar, in it, etc. It’s not sprinkled on the top once it’s been processed, it’s done beforehand.”
Article source: https://www.huffingtonpost.co.uk/entry/putting-salt-in-milk-to-make-it-last-longer_uk_63078b8de4b0f72c09de9aae