Lab Grown Meat in the Food Industry
Quick Summary
- Lab grown meat, also known as cultured or cell-based meat, is meat developed from animal cell culture rather than through raising and slaughtering living animals.
- Researchers are still experimenting with new growth media from different ingredients and finding new ways to build more realistic products.
- Ultimately, lab grown meat isn’t about replacing traditional agriculture immediately, but more about expanding the options for the future.
With increasing consumption of meat and growing environmental concerns, scientists are looking for new ways to fulfill the demands. Lab grown meat, also known as cultured or cell-based meat, is meat developed from animal cell culture rather than through raising and slaughtering living animals. Animal cells are cultivated in vitro, meaning cells are grown outside of a living organism, in a carefully controlled environment. Instead of raising animals for years, researchers only grow the edible fat and muscle tissue. This technology has the potential to reduce the environmental footprint of meat production while expanding biotechnology and innovation.
The process of cultivating lab grown meat consists of four steps. First, a sample of stem cells (cells that can develop into other specialized types of cells found in the body) is taken from a living animal. Those cells are then placed into a nutrient-rich culture inside of a large tank called a bioreactor. That medium provides sugars, amino acids, vitamins, and other growth factors that allows the cells to multiply. Over time, the stem cells can differentiate into the three main components of meat: muscle, fat, and connective tissue. Last is a step called scaffolding. Scaffolding materials are edible structures that act as a framework for the cells to attach to. Not only does it hold the cells together, it also carries nutrients and allows them to further differentiate. According to Meco, since “lab-grown meat maintains the cellular composition of traditional meat,” it is biologically meat, offering a more authentic experience than plant-based meat substitutes.
The main appeal of lab-grown meat is its potential to increase sustainability. One study by the Good Food Institute found that “if produced using renewable energy, cultivated meat could reduce greenhouse gas emissions by up to 92 percent and land use by up to 90 percent compared to conventional beef.” Traditional livestock farming requires vast amounts of land, water, and feed, making it a major contributor to global greenhouse gas emissions. Cultured meat would be a more efficient way to produce protein without requiring large herds of animals. Since the process of producing lab grown meat is done in a controlled environment, it also improves food safety, reducing the risk of illness-causing bacteria. This is because in a lab environment, the meat products will not face the risk of contamination with common bacteria like E. coli or Campylobacter, which often come from the gut of livestock.
However, there are still challenges to producing cell-based meat. Though it does have the potential to improve animal welfare, as of now, it still relies on stem cells from living animals. The most widely used culture medium also contains fetal bovine serum, which is collected from foetal blood at animal slaughterhouses, so the process is not yet slaughter-free. It’s also uncertain whether the process would be sustainable at a large scale. The culture media that feeds the cells is costly to manufacture, and maintaining labs to create the meat adds on to the environmental and financial cost. Scaling up production would require much development with cost-effective ingredients and renewable energy use. There’s also the concern of consumer acceptance. In order to motivate meat eaters to switch to lab-grown meat, not only do they need to recognize the environmental benefits, the taste needs to be the same or very, very close to traditional meat. Lastly, companies in this new industry need to gain the approval of both the U.S. FDA and the USDA.
Despite the numerous obstacles, lab-grown meat is and will continue to be a groundbreaking technology. Researchers are still experimenting with new growth media from different ingredients and finding new ways to build more realistic products. The technology has gained interest from around the world, with universities and startups investing in tissue engineering, cell biology, and food science. For students interested in science, this field is an example of how laboratory research can translate into real-world applications.
Ultimately, lab grown meat isn’t about replacing traditional agriculture immediately, but more about expanding the options for the future. It demonstrates how biotechnology can reshape current industries and encourages scientists to think creatively about solutions. Even if lab-grown meat develops slowly, it shows people that innovation in food production will likely play a key role in environmental sustainability. Paying attention to these developments will show us how science and biotechnology can transform the world.
Sources:
https://www.synthego.com/blog/lab-grown-meats/
https://gfi.org/science/the-science-of-cultivated-meat/
https://www.meco.com/examining-the-sustainability-of-lab-grown-meat-production/
https://cmr.berkeley.edu/2023/07/disrupting-the-plate-cultured-meat-technology/