Could Cultured Stead Soon Be On The Menu?

Posted: Mar 02, 2021



Humans are largely omnivores, and meat in various forms has always featured in the diet of most cultures. However, with the increasing population and pressure on the environment, traditional methods of meeting this fundamental food requirement are likely to fall short. Now, researchers at the University of Tokyo say they have managed to manufacture bovine muscle tissue in the laboratory that may help meet escalating future demands for dietary meat.

Many believe that the livestock industry in its current form is unsustainable. The research team says that from an environmental viewpoint, the land and water costs of modern mega-scale livestock farming are untenable, as are the greenhouse gas emissions and the overall toll on the planet. Additionally, ethical concerns against inhuman exploitation of lower species for food are increasingly being voiced.

To address future requirements, tissue engineering of cultured meat is under development at several centres worldwide – cultured meat recently featured on a restaurant menu for the first time.

However, most biosynthetic meat products are amorphous or granular-like minced meat, lacking the grain and texture of real animal flesh, say the researchers. Mai Furuhashi, lead author, explains their novel process. “Using techniques developed for regenerative medicine, we succeeded in culturing millimetre-sized chunks of meat wherein alignment of the myotubes help mimic the texture and mouthfeel of steak,” she said.

“For this, myoblasts drawn from commercial beef were cultured in hydrogel modules that could be stacked allowing fusion into larger chunks. We determined the optimal scaffolding and electrical stimulation to promote contractility and anatomical alignment of the muscle tissue to best simulate steak meat.”

“Our morphological, functional and food feature analyses showed that the cultured muscle tissue holds promise as a credible steak substitute,” said fellow lead author Yuya Morimoto.

By Joshua Minchin
03-02-2021
Source and complete article by: newfoodmagazine.com



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