The advantage of vacuumoven is that lower drying temperatures are used which decrease the deterioration of the dry matter.
真空烘箱法的优点为采用较低的烘干温度，从而减少干物质的变质。
2
Add in a vacuumdryingoven and then dry.
然后放入真空干燥箱中，干燥。
3
RESULTS: The content of gastrodin of Rhizoma Gastrodiae processed by vacuum freeze drying was significantly higher than that by boil with water and oven drying.