Phytochemistry p. 1165 - 1174 (1994)
Update date:2022-08-04
Topics:
Imamura, Takeshi
Watanabe, Takashi
Kuwahara, Masaaki
Koshijima, Tetsuo
Conjugate acid oxidation of benzyl esters with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) and trifluoroacetic acid (TFA) was applied to the binding site analysis of ester linkages between lignin and glucuronoxylan in Fagus crenata wood.Based on the conjugate acid DDQ-oxidation of a watersoluble lignin-carbohydrate complex (LCC-WE) from the beech wood, the frequency of the ester bonds between the lignin and glucuronic acid residue of glucuronoxylan was determined to be 1.6 per molecule of LCC-WE. - Key words: Fagus crenata; Fagaceae; lignin-carbohydrate complex (LCC); 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ).
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