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Elite Edition

Does mozzarella cheese have rennet?

Author

Robert Bradley

Published Mar 31, 2026

Does mozzarella cheese have rennet?

Mozzarella, as with many cheeses uses rennet as a coagulant to cause the milk to form curds. Generally, the reason people are concerned about rennet is because they are vegetarians and wish to avoid animal derived rennet.

Does all cheese making require rennet?

Rennet is an essential part of the cheese making process (only very fresh, fragile curd cheeses can be made without it). It is used to coagulate the milk and set it into jelly (Sam Holden is pictured here adding liquid rennet to the vat).

What types of cheese have rennet?

Gorgonzola, Pecorino Romano, Grana Padano, Camembert, Vacherin, Emmenthaler, Gruyère, and Spain’s delicious Manchego all traditionally use rennet as well. There are some vegetarian-friendly versions of these cheeses available at grocery stores.

Is there rennet in Cheddar?

Most hard cheeses, including Parmesan, Cheddar, Manchego, Pecorino Romano, and Swiss, are traditionally made with rennet, while some soft cheeses aren’t (scroll down for five you can try). But increasingly, you can find all sorts of cheeses made with non-animal-derived enzymes.

Can a Pescatarian eat pizza?

Many European cheeses are still produced with animal rennet, so some vegetarians choose to skip Parmesan and other cheeses on their pie. So, generally speaking, vegetarians can eat plain cheese pizza.

Are there any cheeses that do not contain rennet?

It doesn’t affect the flavor of the cheese as much as microbial rennet does. This type of rennet can be made by inserting the DNA that produces the rennet enzyme into fungi. In other words, this product is almost always genetically modified. Vegetable rennet. Some plants contain compounds that will curdle milk just like rennet does.

What kind of rennet is used in goat cheese?

Rennet obtained from a calf is generally used in cheeses made with cow’s milk. Goat cheeses are made using kid rennet, and lamb rennet is used in cheeses made with sheep’s milk.

Where does microbial rennet come from in cheese?

Microbial rennet. This enzyme is produced from fungi or mold. It is much cheaper than calves’ rennet, but it can have a bitter flavor. Cheese makers are more likely to use this product in young cheese, since the aging process strengthens flavors in the cheese.

Which is cheeses contain animal rennet or citric acid?

There are also a few soft cheeses such as cream cheese and cottage cheese that are made using only citric acid for the coagulation process. True cheese artisans still tend to prefer animal rennet and consider it to be superior when it comes to curdling milk. The amount of animal rennet needed to coagulate milk is very small.

Paneer and cottage cheese is traditionally made without rennet and is instead coagulated with an acidic ingredient like vinegar or lemon juice. Artisan cheeses from specific areas may be vegetarian. Cornish Yarg, which is wrapped in nettles, usually uses vegetarian rennet, although their cheeses for the US export market may contain animal rennet.

What is non animal rennet?

Vegetarian rennet is a non-animal product used to make vegetarian cheeses to aid in the coagulation process. Some cheeses are made using rennet, which is derived from a calves’ stomach, but vegetarian options are available.

What is rennet made of?

Vegetable rennet can be made from a variety of plant sources such as fig, thistle, safflower, and dried caper leaves. It can also be made from genetically modified soybeans. Since there is no worldwide industrial production of vegetable rennet, it is often made from microbial sources.

How is rennet obtained?

Rennet is extracted from the inner mucosa of the fourth stomach chamber of young, un-weaned calves . These calf stomachs are a by-product of veal production (which is an off-shoot of dairy production).