Scientists at Japan's Osaka University have unveiled what they are calling the first-ever three-dimensionally-printed Wagyu beef, created using stem cells extracted from cattle.
A key challenge was replicating the beef's marbled composition.
The researchers isolated bovine satellite cells and adipose-derived stem cells from Wagyu cows, then incubated and differentiated them into the cells needed to generate individual fibers for muscle, fat, and blood vessels, and stacked them to resemble Wagyu's marbling.
The stacks of meat were cut perpendicularly into laboratory-cultured beef slices, enabling a high level of customization within the meat structure.
The researchers said the printed meat "looks more like the real thing," adding that the process may be used to generate other complex structures.
From Interesting Engineering
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