Synfood

"Quorn and vegetable tagine with cous-cous" (photo by Flickr user "mp-media").

The concept known as “single cell protein” refers to the production of dietary protein using microbial organisms. These could be bacterial or fungal organisms that metabolize various chemicals, such as multi-carbon compounds, but also methanol, methane and even hydrogen. One of the well-researched organisms in this field is Methylophilus methylotrophus. “Pruteen” synfood failed in the 1980's because of the high cost of natural gas at that time. Would it work now (2016) with today's lower gas prices?

Terminology

While this concept is called "single cell protein", it is not limited to the production of proteins but can include any food component such as carbohydrates and fats. This needs to be re-branded with a better name - perhaps “synfood”, analogous to “synfuel”.

Intellectual property situation

Patents from the 1970s and 80s have expired. Is the information in the public domain now?

• US Patent #3778349 (1971), "Production of single cell protein material" via FreePatentsOnline and Google Patents.

Overall impact

This field has failed to take off in the past but could have major impact on food production, especially meat production. This has the potential to dramatically reduce the demand for pasture land in particular, and for other agricultural land as well. Syngas from biomass could be turned into food. Genetic modification of these microbes can further optimize yield.

Potential uses

• methane from biogas => synfood
• extensions: solar hydrogen, hydrogen and methane from pyrolysis of biomass (via "water-gas-shift" reaction), etc.
• hydrogen => methane => methanol => food, biofuels (see: Methane to methanol)
• methanol from wood => synfood
• Other related pages: biorefinery

Links

• Pruteen from Methylophilus Methylotropous (good presentation on Prezi)
• NextBigFuture: "Natural Gas Fracked bacterial fishmeal can save the worlds fish and enable a lot more farmed fish"
• Wikipedia: Quorn and Single Cell Protein
• Patent: "Process for culturing methylophilus methylotrophus - US 4652527 A
• http://biomaster2011.blogspot.ca/2011/03/scp-derived-from-bacteria.html