the new separation technology of the high-purity anethole from star anise oil was studied, especially on the optimum separation conditions of freezing crystallization and vacuum rectification.

研究了从八角茴油中分离高纯度茴脑的生产工艺，探讨了冷冻结晶及精馏操作的最佳工艺条件。

chemical constituents, pharmacological activities, processing and application of illicium verum are summarized. star anise oil and star anise resin can be further extracted from illicium verum fruit.

综述八角茴香的化学成分、药理作用、加工利用现状；通过深加工，可提取八角芳香油及八角茴香油树脂。

the paper studies the best technological conditions of extracting star anise oil with 95% ethanol.

研究了用95 %乙醇提取八角茴香油的最佳工艺条件。

the star anise oil in market come from guangxi was analysised using gc/ms, its main compound is trans-anethole that is over 90%, the others is less.

用气质联用（gc／ms）分析了市售八角茴香油的组成，发现产品中占近90％的主要成分是反式-茴香脑，其他成分较少。

moreover, the components and content of star anise oil had no obvious difference under three extracting conditions.

三种萃取方法所得八角茴香油的成分和含量差异不大。

the ozonized reaction processes of star anise oil and cinnamonic oil were controlled by reaction, and were influenced less by mass transfer.

八角茴香油和肉桂油的臭氧化反应过程受反应控制，传质的影响很小；

chemical constituents, pharmacological activities, processing and application of illicium verum are summarized. star anise oil and star anise resin can be further extracted form illicium verum fruit.

该文综述八角茴香的化学成分、药理作用、加工利用现状；通过深加工，可提取八角芳香油及八角茴香油树脂。

the effects of pressure, temperature and co2 flow rate on extraction of star anise oil with supercritical carbon dioxide were studied.

研究了萃取压力、萃取温度和co2流量对超临界co2萃取八角茴香油的影响；

the evaluation indexes of dried fruit include sense, physics, chemistry, sanitation, and so on. and the evaluation indexes of star anise oil include sense, phi-chemistry and sanitation.

无公害八角干果质量评价指标应包括感观指标、物理指标、化学指标、卫生质量指标等，无公害八角茴油质量评价指标有感观指标、理化指标和卫生质量指标。