The first case in China! 17 days, it's done!

Tech 2023-05-17 01:23:56 Source: Network

Source: Science and Technology DailyHong Hengfei, Ke Yineng, reporter of Science and Technology Daily, Jiang YunIn just 17 days, scientists can cultivate fish meat with a fishy taste and textured Q-bomb using cells.On the 16th, the reporter learned from Zhejiang University that the cell culture fish team led by Professor Liu Donghong, Vice Dean of the College of Biosystems Engineering and food science, and Professor Chen Jun of the College of Life Sciences, together with the team of academicians Zhu Beiwei of Dalian University of Technology, announced that through stem cell separation, factory culture and organizational construction technology, the team will be unitedSuccessfully synthesized the first centimeter scale cell cultured simulated fish steak from large yellow croaker tissue in China

Source: Science and Technology Daily

Hong Hengfei, Ke Yineng, reporter of Science and Technology Daily, Jiang Yun

In just 17 days, scientists can cultivate fish meat with a fishy taste and textured Q-bomb using cells.

On the 16th, the reporter learned from Zhejiang University that the cell culture fish team led by Professor Liu Donghong, Vice Dean of the College of Biosystems Engineering and food science, and Professor Chen Jun of the College of Life Sciences, together with the team of academicians Zhu Beiwei of Dalian University of Technology, announced that through stem cell separation, factory culture and organizational construction technology, the team will be unitedSuccessfully synthesized the first centimeter scale cell cultured simulated fish steak from large yellow croaker tissue in China.Relevant research papers were published in the cooperative journal of Nature, npj food science.

Cultivating fish meat with cells is essentially a process of cell proliferation and differentiation through animal stem cells in vitro. Among them, cells continuously increase in quantity through proliferation, and then differentiate to produce cell groups with different shapes, structures, and functions. Cell culture meat is considered to be one of the technologies with great potential to solve the future supply of meat and protein for human dining tables, and to reduce the high dependence of artificially raised meat animals on water and land resources.

In this study, researchers focused on the large yellow croaker and isolated muscle and adipose stem cells with high passage ability, and induced muscle stem cell differentiation by regulating two signaling pathways; Based on the edible gel, the bionic construction of fish muscle scaffold can produce a structure and texture similar to that of natural fish meat, make muscle cells grow regularly along the 3D printed bionic structure, form a three-dimensional cultured muscle fiber bundle, and realize the production of tissue cell cultured fish meat.

The reporter learned that the culture medium that provides nutrients for cell proliferation and differentiation is the most important cost control step in the production process of cell culture meat. The joint team screened a low serum basic culture medium, effectively controlling costs and providing a foundation for future large-scale production.

The researchers further analyzed the appearance of cultured fish fillets and compared their cell count, ratio of muscle cells to adipocytes, hardness, viscosity, elasticity, and other characteristics with the muscle tissue of real yellow croaker.From these indicators, the two are very similarLiu Donghong said.

Cell culture of fish meat requires extensive safety assessments to be conducted as it approaches the dining table.I believe that with the continuous deepening of technology, mass production will definitely be possible in the foreseeable future Liu Donghong stated that this technology will provide new ideas for cell culture of different fish and other economic animals in the future to obtain high-quality proteins, and is of great significance for the protection of marine fish resources.

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