title: 1,5-Anhydro-beta-L-arabinofuranose from pyrolysis of plant cell wall materials (biomass).
abstract: Three types of agricultural waste material having a significant content of L-arabinose have been subjected to mild, vacuum pyrolysis, and yields of 1,5-anhydro-L-arabinofuranose (1) determined. In corn bran, approximately 40% of the L-arabinose is converted into 1, and this conversion is increased to 78% when the bran is subjected to prior acid washing. The inner and outer barks of ponderosa pine give approximately 30% conversion of their L-arabinose content into 1, but orange peel gives only 9% conversion. A mechanism is postulated involving pyrolytic scission of pendant L-arabinofuranose units from polysaccharides, with cyclization to produce 1.
authors.affiliation: Wood Chemistry Laboratory, University of Montana, Missoula 59812.
authors.forename: M G
authors.initials: MG
authors.lastname: Essig
authors.forename: G N
authors.initials: GN
authors.lastname: Richards
mesh_terms: D000383:Agriculture; D001089:Arabinose / Q000031:analogs & derivatives* / Q000032:analysis; D002473:Cell Wall / Q000032:analysis*; D004463:Ecology; D006358:Hot Temperature; D014866:Waste Products / Q000032:analysis
chemical_list: D014866:Waste Products; C058255:1,5-anhydroarabinofuranose; D001089:Arabinose