One of the biggest challenges in cultivated meat is not growing the cells. It is turning them into something that actually resembles meat on a plate. Muscle has structure, fibers, and grain. Replicating that texture at scale is difficult when cells are grown in suspension. A recent patent application from UPSIDE Foods explores a practical approach to bridging that gap by combining cultivated cells with familiar food processing techniques.
Turning Cultured Cells Into Fibrous Meat
The patent describes a method for producing structured cultivated meat using high-moisture extrusion, a process already widely used in plant-based meat manufacturing (US2025380728A1).
In the method, cultivated animal cells are blended with plant proteins such as soy or wheat protein to form a dough-like mixture. The ingredients are processed inside an extruder where temperature, pressure, moisture, and shear forces are carefully controlled.
One particularly interesting detail is the use of glutamic acid. The patent explains that adding small amounts of the amino acid changes how the proteins interact during extrusion. Without it, the resulting product can feel rubbery. With it, the mixture forms more organized fibers that create a firmer, meat-like texture.
The process also introduces marinade directly inside the extruder after the mixture reaches its peak temperature. This allows flavor to disperse throughout the product rather than only coating the outside.
Finally, the material passes through a cooling die that shapes and stabilizes the structure. The result is a fibrous product whose internal grain can resemble conventional meat such as chicken breast.
UPSIDE Foods and the Path to Scalable Products
UPSIDE Foods is one of the pioneers of cultivated meat in the United States. Founded in 2015 and headquartered in California, the company focuses on developing slaughter-free meat products grown from animal cells.
Much of the public discussion around cultivated meat focuses on bioreactors and cell culture. This patent highlights another equally important piece of the puzzle: downstream food processing. Blending cultivated cells with plant proteins and shaping them through extrusion could offer a scalable path to familiar formats such as cutlets, fillets, or nuggets.
In that sense, the invention reflects a broader trend across the field. Future cultivated foods may not rely on cells alone. Instead, hybrid systems that combine cellular agriculture with established food engineering techniques could help bring realistic textures to market sooner.
The People Behind the Work
Congratulations to the inventors — Ibrahim Marjieh and John Mathew Mampra — for their contribution to the field.
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About the Author - Kandice Vincent
This article is authored by writer and editor Kandice Vincent, whose work centers on cellular agriculture, food technology, and the future of sustainable food systems. She partners with founders, researchers, and mission-driven companies to communicate emerging innovations with clarity and accessibility. Kandice is passionate about collaborating with others in the field and helping expand public understanding of the technologies shaping the future of food.
This post is based on publicly available information. Lab Grown Technologies is not affiliated with the inventors or organizations mentioned.