本试验采用冷浸法提取狗舌草中总黄酮。
比较了索氏提取法、热回流法和冷浸法等提取方法；提出采用水沉法精制粗黄酮浸膏；
In this paper, the methods of Soxhlet, hot-refluxing and cold-dipping were compared and the method of water-deposition to refine flavones was put forward.
方法：分别采用冷浸法、匀浆-空化法、超声法、热回流法对长春花鲜叶进行提取并比较含量。
METHODS:Anhydrovinblastine was extracted from catharanthus roseus fresh leaves in different ways:merceration, homogenate-cavitation, ultrasonic wave method and hot reflux method.
方法：分别采用冷浸法、匀浆-空化法、超声法、热回流法对长春花鲜叶进行提取并比较含量。
METHODS:Anhydrovinblastine was extracted from catharanthus roseus fresh leaves in different ways:merceration, homogenate-cavitation, ultrasonic wave method and hot reflux method.
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