Home made mayo is shelf stable. PH should be down around three. It's the grocery brands that try to smooth out the tang and increase the PH that makes it need refrigeration. It sounds insane that egg yolks and oil don't go bad on the counter if you add lemon juice but that's about the extent of it.
That's not to say it doesn't degrade much faster and honestly, mayo need to be cold or it just feels like sandwich grease :)
Straight seed oil can oxidize. If you ever open canola and instead of musty corn it sells like freeze dry, that's "bad" Unsaturated and to a lesser extent mono-unsaturated fats do like to pick up hitchhikers in those chains with holes. But like Peanut, and Rapeseed, seem to last forever.
Mayonnaise only goes bad from cross contamination with the dirty knife you use. Like if you get some tuna in the jar, that can go rotten and ruin your day. Probably why a squeeze bottle is safe on the counter.
There was a good eats episode on it. It's shelf stable before you open it, once it's open, you're fighting oil rancidity. If it smells and tastes right for mayo, it's probably fine.
21 Comments
rumba@lemmy.zip · 29 pts · 80d
LOL,
That said mayo is acidic enough to withstand the counter. Hellmans squeeze bottles don't even require it after opening apparently.
aeronmelon@lemmy.world · 6 pts · 80d
That makes me concerned about how much of it is actually mayonnaise.
rumba@lemmy.zip · 20 pts · 80d
Home made mayo is shelf stable. PH should be down around three. It's the grocery brands that try to smooth out the tang and increase the PH that makes it need refrigeration. It sounds insane that egg yolks and oil don't go bad on the counter if you add lemon juice but that's about the extent of it.
That's not to say it doesn't degrade much faster and honestly, mayo need to be cold or it just feels like sandwich grease :)
danc4498@lemmy.world · 4 pts · 80d
Mmmmm sandwich grease
gandalf_der_12te@feddit.org · 1 pts · 79d
i've never actually seen oil turn bad. and that's after i keep them without refrigeration for months.
rumba@lemmy.zip · 1 pts · 79d
Straight seed oil can oxidize. If you ever open canola and instead of musty corn it sells like freeze dry, that's "bad" Unsaturated and to a lesser extent mono-unsaturated fats do like to pick up hitchhikers in those chains with holes. But like Peanut, and Rapeseed, seem to last forever.
Peppycito@sh.itjust.works · 7 pts · 80d
Mayonnaise only goes bad from cross contamination with the dirty knife you use. Like if you get some tuna in the jar, that can go rotten and ruin your day. Probably why a squeeze bottle is safe on the counter.
NightmareQueenJune@lemmy.world · 3 pts · 80d
From my past experience, Mayo can get sour. It's not pleasant.
gandalf_der_12te@feddit.org · 2 pts · 79d
oh i always assumed that the squeeze bottles are safer because they barely let any oxygen into it. if you mean those aluminum squeeze tube ones.
Eric@lemmy.blahaj.zone · 5 pts · 80d
Everyone agrees that open mayo is good for months in the fridge, yet it somehow spoils instantly at the same time
marcos@lemmy.world · 2 pts · 80d
Bottled mayo comes pre-spoiled so it doesn't change on your fridge.
JesusTheCarpenter@feddit.uk · 4 pts · 80d
Was hoping someone would say that so feel less guilty eating old mayo.
rumba@lemmy.zip · 4 pts · 80d
There was a good eats episode on it. It's shelf stable before you open it, once it's open, you're fighting oil rancidity. If it smells and tastes right for mayo, it's probably fine.
HeyThisIsntTheYMCA@lemmy.world · 1 pts · 80d
old mayo is an essential part of a balanced diet

Sergio@piefed.social · 9 pts · 80d
Evan Dorkin make a whole comic book series out of that joke.
FuglyDuck@lemmy.world · 6 pts · 80d
“Mayo was he…”
Healthy? Hedonistic? Heroic? He-Man the Strongest Man in the Universe?
sbbq@lemmy.zip · 5 pts · 80d
Hellman's
lemmyng@lemmy.world · 4 pts · 80d
Hellbent on destroying capitalism.
aeronmelon@lemmy.world · 1 pts · 80d
Philosophical graffiti.
HeyThisIsntTheYMCA@lemmy.world · 3 pts · 80d
Formfiller@lemmy.world · 2 pts · 80d
My son must live at his house