quorn is a source of protein derived from
Fusarium venenatum fungus
title: Quorn text: protein-rich food for human consumption. The filamentous fungus, "Fusarium venenatum", was discovered in a soil sample in 1967. In 1985, RHM was given permission to sell mycoprotein for human consumption after a ten-year evaluation programme. Quorn as a retail product (it derives its name from the Leicestershire village of Quorn) was first produced in 1985 by Marlow Foods (named after Rank Hovis McDougall's headquarters in Marlow, Buckinghamshire), a joint venture between RHM and Imperial Chemical Industries (ICI), who provided a fermenter left vacant from their abandoned single-cell feed programme. The two partners invested in patents for growing and processing the title: Quorn text: Quorn Quorn is a meat substitute product originating in the UK and sold primarily in Europe, but also available in 19 countries. Quorn is sold as both a cooking ingredient and as the meat substitute used in a range of prepackaged meals. All Quorn foods contain mycoprotein as an ingredient, which is derived from the "Fusarium venenatum" fungus and is grown by fermentation. In most Quorn products, the fungus culture is dried and mixed with egg albumen, which acts as a binder, and then is adjusted in texture and pressed into various forms. A vegan formulation also exists that uses title: Quorn text: as the parasitic mould "Fusarium graminearum"). The fungus is grown in continually oxygenated water in large, otherwise sterile fermentation tanks. Glucose and fixed nitrogen are added as a food for the fungus, as are vitamins and minerals to improve the food value of the product. The resulting mycoprotein is then extracted and heat-treated to remove excess levels of RNA. Previous attempts to produce such fermented protein foodstuffs were thwarted by excessive levels of DNA or RNA; without the heat treatment, purines, found in nucleic acids, are metabolised by humans to produce uric acid, which can lead to gout. However two title: Protein production text: Protein production Protein production is the biotechnological process of generating a specific protein. It is typically achieved by the manipulation of gene expression in an organism such that it expresses large amounts of a recombinant gene. This includes the transcription of the recombinant DNA to messenger RNA (mRNA), the translation of mRNA into polypeptide chains, which are ultimately folded into functional proteins and may be targeted to specific subcellular or extracellular locations. Protein production systems (in lab jargon also referred to as 'expression systems') are used in the life sciences, biotechnology, and medicine. Molecular biology research uses numerous proteins and title: Quonset hut text: Quonset hut A Quonset hut is a lightweight prefabricated structure of corrugated galvanized steel having a semicircular cross-section. The design was developed in the United States, based on the Nissen hut introduced by the British during World War I. Hundreds of thousands were produced during World War II and military surplus was sold to the public. The name comes from the site of their first manufacture at Quonset Point at the Davisville Naval Construction Battalion Center in Davisville, Rhode Island. Quonset huts were manufactured by many independent contractors in countries around the world, but the first were manufactured in 1941