Why does mozzarella cheese cause fungus?
James Austin
Updated on April 02, 2026
Why does mozzarella cheese cause fungus?
“Soft cheeses like mozzarella, ricotta, and chèvre are a different matter—they provide an environment that contains more moisture and is much more conducive to fungal growth,” says Richards. “Pathogenic molds can spread faster and further in these cheeses, and this growth is often not immediately visible.
Is it okay to use moldy mozzarella?
And as for extremely wet, fresh cheeses like mozzarella, ricotta, cream cheese, or chèvre, Morillo recommends pitching them if you see visible mold—again, not going to kill you, but the mold will most definitely have changed the flavor of the cheese, and probably not in a good way.
What happens if I eat moldy mozzarella cheese?
It could taste bad or you might get an upset stomach. In-between scenario: You could have a moderate allergic reaction, contract a foodborne illness, or have respiratory issues. Worst-case scenario: You could be hospitalized, put on dialysis, or even die.
Why does my cheese have mold on it?
But mold spores can also latch onto your cheese through the air or water, where they can grow. “When moisture exists on any food, ventilation allows for exposure to spores, which can collect and grow on the food’s surface,” Detwiler says.
What happens if you are allergic to mozzarella cheese?
As symptoms progress, you may develop abdominal pain, diarrhea, skin rash, coughing and a runny nose, according to Eastern Illinois University. Anaphylaxis, or restricted breathing, shock or loss of consciousness may also develop with casein allergies.
What kind of milk does mozzarella cheese come from?
According to the Massachusetts Institute of Technology, all mammals’ milk contains casein. Made from the curd of cow, goat, sheep and sometimes buffalo milk, mozzarella cheese, like all cheese, contains casein.
What makes up the curd of mozzarella cheese?
According to the Massachusetts Institute of Technology, all mammals’ milk contains casein. Made from the curd of cow, goat, sheep and sometimes buffalo milk, mozzarella cheese, like all cheese, contains casein. In fact, it is the casein proteins that combine to form the curd.
What kind of mold grows inside of cheese?
The molds in this microbial mix are what we’re focusing on today. What Kind of Mold Grows on Cheese? There are two kinds of mold-ripened cheeses: Internally ripened, which grow mold inside the cheese, and externally ripened varieties, which grow mold on their exterior.
Is it bad to eat a ball of mozzarella cheese?
Mozzarella cheese has an elastic texture, which rolls neatly into a ball after kneading. Originally made in Naples, mozzarella cheese is a staple in many Italian dishes and a common pizza topper. If you notice yourself feeling ill after eating mozzarella cheese, do not automatically assume that the cheese is bad.
What kind of acidity do you need for mozzarella cheese?
Low acidity, i.e. higher pH, will result in a cheese that stretches and melts well. Heating the milk and adding food grade citric acid to the milk help reduce the pH level to between 5.2 – 5.4, which is what you want when making mozzarella cheese.
Why is mozzarella cheese stored in a liquid?
Mozzarella is typically produced in the shape of a ball. Because of its high water content and its soft texture, if stored the same way as other cheeses, it will lose its shape and flatten out over time. Keeping mozzarella in a liquid helps to retain both its shape and its moisture (via Cheese.com ).