Furthermore, it was found that the microwave pre-drying was better than that of the hot-air pre-drying, both in the mass of vacuum impregnation and in the loss of nutrients.

• 并比较了不同的干燥方式对真空含浸量的影响和对营养物质流失的影响，发现微波干燥的效果优于热风干燥。