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The technique of extracting araboxylan in wheat bran and its analysis technique of chemical structure and the molecular weight were introduced. 文章介紹了從小麥麩皮中提純阿糖基木聚糖這一重要化學物質的工藝方法及對提取的阿糖基木聚糖的化學結搆、分子量的分析技術。