Studies on the structure of soybean xyloglucan

Abstract

A PRF6 polymer (xyloglucan) was isolated form soybean cell wall material (dietary fibre) through 4mol·dm^-^3 NaOH extraction and chromatography column purification. The structure features of this polymer were characterized by acid hydrolysis, partial acid hydrolysis, cellulase degradation and methylation analysis, with the help of modern instruments of GC and GC-MS. The results showed that PRF6 contained a β(1→4) linked glucan backbone which was branched at 6-C with xylopyranose residues, some of which, in turn, carried either arabinofuranose or galactopyranose residues, as a substituent on 2-C.

Key words: ACID HYDROLYSIS, GLYCINE MAX, METHYLATION, STRUCTURE CHARACTERISTICS

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ZHENG JIANXIAN;GENG LIPING. Studies on the structure of soybean xyloglucan[J]. Acta Chimica Sinica, 1996, 54(11): 1138-1144.

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