Objective: To establish the relationship equation of yield and extraction time of plantvolatile oil.
目的：建立植物挥发油提取量与提取时间关系式。
2
Garlic plantvolatile was extracted by steam distillation under reduced pressure, and the chemical components were determined by GC-MS analysis.
采用减压水蒸气蒸馏法提取出蒜苗挥发物，用GC - MS法分析鉴定其化学成分。
3
The invention relates to antibacterial and bacteriostatic UV offset printing ink. The antibacterial and bacteriostatic UV offset printing ink contains 0.0005 to 6 weight percent of plantvolatile oil.