Baltic bacteria sink CO2 into smoothies Solar_Foods aims to use bioreactors to produce protein without the need for agriculture
. Solar Foods, a spinoff from a research program at VTT Technical Research Centre of Finland and Lappeenranta University of Technology, aims to use bioreactors to produce protein without the need for agriculture. They call it “protein out of thin air” and are on track to build a factory that will produce vast quantities of a gold-colored microbial biomass powder.
“Microbial protein production using hydrogen-oxidizing bacteria is not new and dates back to 1964,” says Pitkänen. “We just brought clean energy to capture carbon and turn electricity into edible calories.” These edible ingredients can be produced using minimal land use and one-tenth of the water used by soybean production, claims Solar Foods, and the bacteria can grow in the dark in ordinary bioreactors using hydrogen as the energy source.
Solar wants to build more factories and crank up their tonnage per year, to allow them to bring down the price for food producers eager to replace plant- or animal-based protein with a microbial protein. For now, “Anyone who crosses our factory can come by and taste buns or ice cream made with Solein and also donate their exhaled breath to produce more Solein,“ Vainikka concludes.
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