Cell wall cross-linking by ferulates and diferulates in grasses
نویسندگان
چکیده
Ferulate polysaccharide esters in grasses enter into free-radical condensation reactions in the cell wall. By radical dimerisation of ferulates, polysaccharide–polysaccharide cross-linking is eþ ected. A range of diferulate isomers are produced, not solely the 5-5o-coupled dimer which has been quantiüed historically. Both ferulates and diferulates enter ligniücation reactions and become intimately bound up with the lignin complex. Again, under-quantiücation is signiücant since it is not possible to release ferulate or diferulates from some of the structures. Overall, ferulates play a signiücant role in cell wall development and impact polysaccharide utilisation in grasses. 1999 Society of Chemical Industry (
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