Here's how microorganisms are used to make Quorn:

1. Cultivation: Fusarium venenatum is grown in a controlled environment using a fermentation process. It's fed a special nutrient broth and provided with optimal conditions for growth.

2. Harvesting: Once the fungus has grown significantly, it's harvested and processed. The fungal cells are separated from the broth and washed.

3. Protein Extraction: The fungal cells are then subjected to a process that extracts and isolates the protein, which is the main component of Quorn.

4. Texturing: The protein is then mixed with other ingredients like water, starch, and flavorings. This mixture is then processed to create the desired texture, resembling meat.

5. Packaging and Distribution: The textured Quorn product is then packaged and distributed for consumption.

Key Points:

* Fermentation: The process of growing Fusarium venenatum is key to producing the fungal biomass.

* Protein Extraction: This isolates the protein, which is the main component of Quorn.

* Texturing: This process gives Quorn its unique texture and mouthfeel.

In summary, Quorn production involves a combination of fermentation, protein extraction, and texturing, all of which rely on the use of microorganisms (Fusarium venenatum).