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铁皮石斛花多糖的提取工艺研究
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Abstract:
为探究铁皮石斛花多糖提取最佳工艺，本研究以铁皮石斛花为研究对象，料液比、超声功率和超声时间为影响因素。在经过单因素实验以确定各个变量的合理范围后，采用了响应面法对提取工艺进行进一步优化。通过实验获得的最佳提取条件为：物料与溶液的比例为1:36.70，超声设备的功率为244.23 W，提取的时间为60.29分钟，铁皮石斛花多糖的提取率可达到6.15%。
In order to explore the best extraction process of polysaccharide from Dendrobium officinale flowers, the solid-liquid ratio, ultrasonic power and ultrasonic time were the influencing factors. After single factor experiment to determine the reasonable range of each variable, Box-Behnken response surface method was used to further optimize the extraction process. The optimal extraction conditions were as follows: the ratio of material to solution was 1:36.70, the power of ultrasonic equipment was 244.23W, and the extraction time was 60.29 minutes. Under these conditions, the extraction rate of polysaccharide from Dendrobium officinale flowers could reach 6.15%.
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