April 25, 2024

New 3D printing ‘ink’ could make lab-grown meat even cheaper

As production is scaled, expenses can go down even further, but while the rate is close to that of animal meat (especially once you take out the subsidies the meat market receives), its not rather there. Developments such as this one can assist bridge that last space and make lab-grown meat competitive on the market.

Animal muscle stems cells grow on scaffolds to produce cultured meat. Image credits: Jie Sun/Xian Jiaotong-Liverpool University.

In 2020, Singapore became the very first nation to authorize the usage of lab-grown meat and earlier this year, the FDA provided the technology the green light in the United States. A number of business already have running factories and if the rate of development remains the very same, cultured meat may be concerning a shop near you earlier instead of later.

The process of growing cultured meat utilizing a plant protein-based scaffold through 3D-printing innovation. Image credits: Jie Sun/Xi an Jiaotong-Liverpool University.

Lab-grown, 3D-printed meat has emerged as a more sustainable and cruelty-free option to “regular” meat. While the cost has gone down (from the cost of an uncommon painting to about the expense of a night out), its still not enough to be competitive with regular meat. That also comes at a big carbon footprint, as meat is way less sustainable than quite much every other type of food (and consumes more water and uses more land). Designing scaffolds that are strong and edible enough to use a familiar structure to meat, but also soft enough that they dont ruin the texture, is not that simple. As production is scaled, expenses can go down even further, but while the rate is close to that of animal meat (particularly as soon as you take out the subsidies the meat industry receives), its not quite there.

A new development might help in reducing the costs even further: scientists have actually discovered a method to utilize food waste for culturing meat, decreasing production expenses considerably.

Lab-grown, 3D-printed meat has actually become a more cruelty-free and sustainable alternative to “routine” meat. But regardless of its environmental and ethical benefits, it wont end up being mainstream if the cost is prohibitive. While the expense has decreased (from the cost of a rare painting to about the expense of a night out), its still not sufficient to be competitive with routine meat..

To produce lab-grown meat (or cultured meat), muscle stem cells are grown on a 3D scaffold that is normally produced through 3D printing, helping the transport of nutrients and providing structure to the meat. The scaffold, or the “ink” that is 3D-printed then ends up being an edible part of the resulting meat.

” This is a novel and disruptive concept to standardize cultured meat. Using nutrients from food waste to print scaffolds not only uses and increases the value of the food waste however also reduces the pressure on the environment from animal farming,” says Professor Jie Sun from Xian Jiaotong-Liverpool University, China, and one of the research study authors.

Because the scaffold becomes part of the meat, it is typically made from other animal products like gelatine or collagen, or from artificial products– but utilizing animal products indicates the product still isnt cruelty-free, and artificial alternatives can be expensive.

A picture of a circular scaffold on which the meat is grown. Image credits: Jie Sun/Xi an Jiaotong-Liverpool University

The research study was released in the journal Advanced Materials.

“Currently, one of the major reasons for the high cost of cultured meat is the nutrient medium for muscle cells, which is still from animal proteins. In the future, if ideal plant extracts can be found to supply nutrients, that will even more minimize the expense of cultured meat, making it more inexpensive,” Professor Sun concludes.

In the brand-new research study, scientists utilized plant-based inks made from food waste like cereal husks. These items, which are not only healthy and safe to consume, however likewise inexpensive and easily offered, could substantially minimize the expense of large-scale cultured meat production.

Creating scaffolds that are edible and strong enough to provide a familiar structure to meat, however also soft enough that they dont destroy the texture, is not that simple. The meat also needs to grow uniformly. Sun and associates tested various products until they lastly zoomed in on plant protein. These plant-based substances have actually the included reward of adding more protein and fiber to the synthetic meat item, making it a bit healthier. The genuine appeal of this technique is expense: the cereal husks are much more affordable to use.

” We have actually optimized our plant-based ink for 3D-printing technology so that we can print scaffolds and location muscle stem cells on them. The cells can then grow with the structure of the scaffold and we use beets to color the grown meat to provide it the appearance of traditional meat.”

Cultured meat models without (left) and with the treatment of healthy food coloring (beet). Image credits: Jie Sun/Xi an Jiaotong-Liverpool University.

Every year, over 80 billion land animals are eliminated every year for food around the globe– and thats probably a gross underestimate. That also comes at a big carbon footprint, as meat is way less sustainable than practically every other kind of food (and takes in more water and utilizes more land). Growing meat in a laboratory, a strategy that sounds futuristic, may be best around the corner to offer an alternative.