Get the Facts on “Meat Glue” or Transglutaminase

There have been a multitude of questions about transglutaminase or “meat glue” lately. Let’s set the record straight on this safe, naturally-occurring enzyme that has been used for nearly two decades.

What is Transglutaminase or “Meat Glue”?

Transglutaminase (TG) or “meat glue” is a naturally-occurring enzyme, composed of simple amino acid chains.

Why is TG used?

TG is often used to ensure uniform portion sizes and to prevent food waste, like combining smaller cuts of meat into larger servings. TG may also be used to bind bacon to a filet for a delicious bacon-wrapped steak.

Is it safe?

Yes, TG has a long history of safe use according to the U.S. Department of Agriculture. TG has also been generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA), and is not classified as an allergen in the United States or Europe.

Uncooked Bacon Wrapped Filets.  Source: SteakGifts.net

Uncooked Bacon Wrapped Filets. Source: SteakGifts.net

Is TG labeled?

Yes. If a product contains TG, “transglutaminase” will be included in the ingredient statement. A meat product that contains TG will also indicate “formed” or “shaped” on the label.

How should I handle and cook meat containing TG?

Meat containing TG should be handled or cooked the same as any other meats; be sure to cook all meat to at least 145 degrees Fahrenheit as measured with a food thermometer before removing meat from the heat source and allow the cut to rest for 3 minutes before eating. TG is deactivated by most cooking techniques and most people can’t detect any change of flavor to foods it’s used on.

How do I know if I am being served or purchasing meat with TG?

If you would like to know if meat you are served in a restaurant contains TG, just ask your server if it is a formed product. Regardless of whether or not TG is used, it is 100% beef.

In grocery stores, a product that uses TG will say “formed” or “shaped” on the label.

How is “meat glue” used in practice by chefs?

This naturally occurring enzyme is most commonly used to bind proteins together to make uniform portions of, for example, beef tenderloins, which recovers the less useful tapered ends of the tenderloin. By fusing two small pieces of tenderloin together chefs can maximize utilization and reduce food waste. Transglutaminase can also be used for creative applications in modernist cuisine, such as bacon wrapped filets or creating sausages without a casing.

For more information visit the USDA Website.

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