- Raw Materials, Ingredients, & Inputs
Biomaterials R&D for cultivated meat is happening within academic research labs and cultivated meat companies, but there are relatively few efforts dedicated to scaffold development. Academic biomaterials research has traditionally focused on biomedical applications, where biomaterials are often synthetic or animal-derived, whereas materials for cultivated meat should be edible, animal-free, and produced inexpensively at scale. The existing cultivated meat companies have adapted to a lack of scaffolding suppliers by adopting scaffold-free approaches, conducting their own R&D in-house, purchasing expensive materials from biomedical suppliers, or using plant-based materials that can be used off the shelf. None of these approaches offer a perfect solution, and there is clearly a need for more research into which biomaterials work best and how they can be implemented into the production process.
There is an obvious need for large-scale production of affordable scaffolding materials that are tailored to the cultivated meat production process. Big players in the pharmaceutical industry could potentially adapt some of their existing product lines, but dedicated startup companies may initially be more willing to develop solutions that are specifically designed for cultivated meat applications. There is scope for a broad range of different companies and products to emerge in this space, including edible or biodegradable microcarriers, hydrogels, 3D printing bioinks, porous or fibrous scaffolds, and scaffolding integrated into bioreactors. There is also a need for streamlined products that could be present throughout the production process, thereby cutting extra costs and processing steps. There will likely be a consumer preference for naturally-derived materials such as plants and fungus rather than synthetic components. However, plant-derived materials on their own are typically not very compatible with cell culture. Because of this, a promising approach could be hybrid materials: primarily composed of edible, plant-derived components but ‘spiked’ with bioactive components such as adhesion proteins and peptides.
Biomaterials suppliers for cultivated meat are anticipated to reduce the overall costs of production by avoiding buying costly materials from biomedical industry suppliers. Although many of the established companies have avoided extra costs by developing scaffold-free approaches, this strategy may result in highly unstructured products that may not be appealing to consumers and would not warrant higher prices relative to conventional meat. Therefore, implementing scaffolding to impose structure should increase the value of cultivated meat products. It is reasonable to expect that a wide variety of different scaffolding materials could be developed, which suggests opportunities for many different types of companies to enter this area. Diverse scaffold materials should enable the development of a wide range of products with structures that more accurately mimic cuts of meat, appealing to a broad consumer base.
Companies producing scaffold products for cultivated meat: Excell | Matrix Meats | Ourochef | Boston Meats | DuPont’s Novatach products | Cellivate; Review article on microcarriers for cultured meat production; Review article on tissue engineering for cultivated meat.
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