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. 1974 May;53(5):728-31.
doi: 10.1104/pp.53.5.728.

Phenolic acids in wheat coleoptile cell walls

F W Whitmore  1
Affiliations

Phenolic acids in wheat coleoptile cell walls

F W Whitmore. Plant Physiol. 1974 May.

Abstract

The phenolic constituent of nonvascular cell walls of wheat (Triticum aestivum L.) coleoptiles, which yields vanillin upon nitrobenzene oxidation, is not lignin as I previously claimed. It seems to be mainly ferulic acid bonded to carbohydrate, probably by an ester linkage. The acid is associated with a fraction of the wall rich in arabinose and xylose, although it is not known whether it is esterified directly with these pentose residues. The phenolic-carbohydrate complex is released by cellulase, but not by pronase or a mixture of hemicellulases.

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References

    1. Plant Physiol. 1964 May;39(3):350-60 - PubMed
    1. Plant Physiol. 1971 Nov;48(5):596-602 - PubMed
    1. Biochim Biophys Acta. 1968 Jun 24;158(3):363-81 - PubMed

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