``Hybrid beef rice'' made by culturing cow cells inside rice grains is now available, a food that is higher in protein than regular rice and more environmentally friendly than meat.
A South Korean research team has announced that they have succeeded in developing hybrid rice that has increased nutritional value while reducing environmental impact and cost by culturing livestock cells in rice grains.
Rice grains integrated with animal cells: A shortcut to a sustainable food system: Matter
By growing animal cells in rice grains, scien | EurekAlert!
https://www.eurekalert.org/news-releases/1033922
Scientists Invent New Hybrid Food by Growing Beef Inside Grains of Rice : ScienceAlert
https://www.sciencealert.com/scientists-invent-new-hybrid-food-by-growing-beef-inside-grains-of-rice
“Imagine being able to obtain all the nutrients you need to live from protein rice grown from cells.Rice is naturally rich in nutrients, but by adding livestock cells, we can increase its nutritional value. It's possible to make it even higher,' says Seohyun Park of Yonsei University in South Korea.
Park's research team focused on rice, which is porous and ideal as a scaffold for cell growth, and is also rich in nutrients necessary for culture, and began research on using rice to grow animal cells. Did.
The research team first coated the rice with fish gelatin and food enzymes. Fish gelatin is a food-grade material that helps cells adhere to rice grains. By adding cow muscle and fat cells to rice and culturing them in a Petri dish for 9 to 11 days, we created a hybrid that combines the characteristics of rice, which is less likely to cause food allergies, with the nutritional value of beef, including animal protein. Food was born.
In order to investigate the characteristics of the hybrid rice, we cooked a sample and analyzed its nutritional value, and found that hybrid rice has 8% more protein and 7% more fat than regular rice. According to the research team, the nutritional value can be further increased through adjustments.
Additionally, hybrid rice with a high proportion of muscle cells contains odor compounds associated with beef and almonds, and hybrid rice with a high content of fat cells contains compounds such as cream, butter, and coconut oil. I also found out that it is included. On the other hand, the texture was said to be firmer and crumbly compared to regular sticky rice.
The problem with current technology for producing cultured meat is that it generates more carbon dioxide than producing regular meat, and the resulting cultured meat is very expensive.
``Cultured meat'' grown in a laboratory is found to be up to 25 times more environmentally harmful than real beef, challenges to technology for culturing it at low cost and low energy - GIGAZINE
On the other hand, when the research team calculated the carbon dioxide (CO2) per 100g of protein produced, beef emitted 49.89kg of CO2, while hybrid rice only emitted 6.27kg. In addition, if hybrid rice is put into practical use, it will be possible to produce it for $2.23 (about 334 yen) per 1 kg, so it is expected to be a food that is more economical for households than beef, which costs $ 14.88 (about 2,200 yen). .
Mr. Park said, ``I never expected that cells cultured in rice would grow so smoothly.This grain-based hybrid food may someday be useful for food shortage countermeasures, military rations, space food, etc.'' talked.
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