Four different determination methods for cereal pentosans were studied comparatively in this paper. The four methods were gas chromatography method(GC method), Orcinol-HCl method, phloroglucinol-acetic acid (Douglas'method) and Duffau distillation method. The correlation between different methods were analyzed using gas chromatography method as determining standard. The comparative study showed that Douglas' method was preferred for determination of pentosans for its simplicity, high-speed, and accuracy.
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