Cultivated Meat Production Technologies

Cultivated meat production harnesses animal cells to generate muscle, fat and connective tissues in vitro, presenting a sustainable alternative to conventional livestock farming. The process begins with the selection and isolation of progenitor cells—commonly muscle satellite cells or induced pluripotent stem cells—from a donor animal. These cells are expanded in bioreactors under controlled conditions, using defined serum-free media to avoid animal-derived supplements. Three-dimensional (3D) scaffolds or edible microcarriers provide structural support, guiding cell attachment, proliferation and differentiation into organised muscle fibres. Advanced biophysical and biochemical cues—such as mechanical stretch, electrical stimulation and growth-factor gradients—enhance tissue maturation and replicative myotube alignment. Parallel efforts focus on the integration of lipid-rich adipose constructs to replicate marbling and textural attributes. As the field progresses from proof-of-concept to scale-up, techno-economic and engineering challenges emerge: bioreactor design must balance optimal mass transfer with gentle mixing to preserve cell viability, while cost-effective media formulations and scalable scaffold materials determine commercial viability. Collectively, these technologies aim to deliver safe, nutritious meat products with comparable sensory qualities to traditional meat, while significantly reducing environmental footprint and animal welfare concerns.

Research from Nature Portfolio

Recent studies have demonstrated advances in cell expansion and scaffolding that bring cultivated meat closer to commercial reality. One platform employs edible chitosan–collagen microcarriers to support bovine mesenchymal stem cell proliferation, paired with an oleogel-based fat substitute derived from plant proteins, yielding layered and burger-like prototypes with realistic texture and marbling. Another development reports a serum-free medium optimised for bovine satellite cells by supplementing a basal formulation with recombinant albumin, achieving sustained growth over multiple passages without loss of myogenic potential. In tissue structuring, tendon-gel integrated bioprinting has enabled the assembly of aligned bovine muscle, adipose and vascular fibres into steak-like constructs, reproducing the organised fibre architecture essential for contractile and sensory properties.

Cultivated Meat Production Technologies publication trend

The graph below shows the total number of articles in cultivated meat production technologies across all publications each year (not limited to Nature Index journals).

Technical terms

Cultivated meat: Meat produced by in vitro culture of animal cells rather than by conventional animal slaughter.

Microcarrier: A microparticle scaffold that provides surface area for adherent cell growth in suspension bioreactors.

Scaffold: A three-dimensional structure, often biodegradable or edible, that supports cell attachment and tissue formation.

Serum-free media: Chemically defined culture medium that replaces animal serum with recombinant proteins and growth factors.

Bioreactor: A controlled vessel for large-scale cell culture, providing regulated temperature, pH, oxygenation and mixing.

Bioprinting: Layer-by-layer deposition of cell-laden bioinks to create structured tissue constructs.

References

1. Cultured meat platform developed through the structuring of edible microcarrier-derived microtissues with oleogel-based fat substitute. Nature Communications (2023).
2. Simple and effective serum-free medium for sustained expansion of bovine satellite cells for cell cultured meat. Communications Biology (2022).
3. Engineered whole cut meat-like tissue by the assembly of cell fibers using tendon-gel integrated bioprinting. Nature Communications (2021).
4. Scaffolding Biomaterials for 3D Cultivated Meat: Prospects and Challenges. Advanced Science (2021).
5. Scale‐up economics for cultured meat. Biotechnology and Bioengineering (2021).
6. Bioprocess Design Considerations for Cultured Meat Production With a Focus on the Expansion Bioreactor. Frontiers in Sustainable Food Systems (2019).