On the basis of the previous work, the mini-sized Soxhlet extraction set with a hot reflux device is adopted to enhance the recovery of samples and diminish the loss of light components in the tested samples.

• 并在前人工作的基础上，改进采用微型索氏抽提加热回流实验装置，既提高了样品的回收率，也减少了样品中轻组分的损失。