Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 495928
Title Comparison of the sustainability metrics of the petrochemical and biomass-based routes to methionine
Author(s) Sanders, J.P.M.; Sheldon, R.A.
Source Catalysis today 239 (2015). - ISSN 0920-5861 - p. 44 - 49.
Department(s) Biobased Products
Publication type Refereed Article in a scientific journal
Publication year 2015
Keyword(s) Biomass - Economic evaluation - Green metrics - Land use - Methionine

Sustainability metrics, based on material efficiency, energy input, land use and costs, of three processesfor the manufacture of methionine are compared. The petrochemical process affords dl-methionine whilethe two biomass-based routes afford the l-enantiomer. From the point of view of the major application,in animal feed, either can be used. The first bio-based route, developed by CJ Cheil-Jedang, involves theproduction of an l-methionine precursor, O-succinyl homoserine by fermentation followed by enzymaticreaction of the latter with methyl mercaptan.The second bio-based route involves the isolation of l-methionine from grass protein. Based on thisconcise evaluation of the sustainability metrics we conclude that both bio-based processe are potentiallyattractive sustainable routes for the manufacture of methionine.

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