Marbled beef was printed on a 3D printer. Free Technical Library News

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Marble beef printed on a 3D printer

08.09.2021

Scientists at Osaka University have used stem cells isolated from Wagyu cows to 3D print an alternative meat containing muscle, fat and blood vessels arranged to resemble regular steaks.

Wagyu can literally be translated as "Japanese cow". This meat is known for its genetic predisposition to intense marbling and high levels of unsaturated fats. The marbling gives the beef a rich flavor and distinctive texture. However, cattle rearing practices today are often considered unsustainable due to the large amount of harmful emissions into the atmosphere. Currently available "cultured meat" alternatives cannot replicate the complex structure of real beef steaks.

The team started with two types of stem cells called bovine satellite cells and adipose-derived stem cells. Under the right laboratory conditions, these cells can be developed into any type of cell required for the production of cultured meat. Individual fibers were made from these cells using bioprinting. The fibers were then arranged in XNUMXD according to the histological structure of real wagyu meat.

Using the histological structure of wagyu beef as a reference, we developed a 3D printing method that allows the creation of complex structures such as muscle fibers, fat, and blood vessels.

The developers specify that after improving the technology, customers will be able to order cultured meat with the desired amount of fat, based on taste and health considerations.

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