The main work and administration of this machine is constant pressureextraction.
本机主要工作及管理是定压抽气。
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OBJECTIVE To research the optimal process of ultrahigh pressureextraction (UPE) of Saponin from Radix Astragali.
目的研究超高压提取黄芪药材中皂苷类成分的最佳工艺。
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Methods Ultrahigh pressureextraction method, ultrasonic extraction method, microwave extraction method and soxhlet extraction were used to extract flavonoids from Hawthorn.