Yup, I'd treat it with campden after pressing it, 1 tablet per gallon should do the trick. If at all possible, I'd personally avoid pasturization since it makes it tougher to clear & may kill some of the apple aromas.
"EC-1118 is a monster yeast. But it is also clean and quick. Like a humane serial killer."
1 Gal: Traditional Wildflower Mead
1 Gal: Backyard Grape Wine
2 Gal: Juniper Braggot
Bottled: DIIIPA, Raspberry Melomel, Rhubarb Melomel, Oktoberfest, Barley Bracket
Kegged: Oktoberfest, ESB