METHODS:Using microwave technique, polysaccharides of Snakegourd root were obtained by hotwater extraction and ethanol precipitation, and content was determinated with phenol-vitriolic colorimetry.
方法：运用微波技术用水提醇沉法提取天花粉多糖，用酚-硫酸比色法测定多糖含量。
OBJECTIVE:To establish phenol-vitriolic colorimetry for the assaying of polysaccharides in Torreya yunnanensis.
目的：建立以苯酚-硫酸比色法测定云南榧子中多糖含量的方法。
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