超临界二氧化碳提取天然香料肉桂油的研究

A Study on the Extraction of Cinnamon Oil with Supercritical Carbon Dioxide

研究了用超临界流体二氯化碳从肉桂皮中提取有效成分的工艺，探索了操作压力、温度、流量及时间对肉桂油草取率及有效组分含量的影响，并与传统方法进行比较。结果表明：提出的工艺在技术上是可行的，压力和温度是影响革取能力的主要因素。所拟方法向桂油的收率，肉桂醛的含量，成品质量均明显高于传统提取方法。

A technology for isolation of cinnamon oil with carbon dioxide as a solvent is described. The principle of the technique using supercritical CO2 fluid as a solvent is to change the solubility of the solute in liquid CO2 at the critical point of CO2. The experimental result shows that in case of careful selection of proper conditions, the content of cinnamic aldehyde in cinnamon oil is more than 80%.