The technology of molecular-distillation ( MD) for purifying star anise essential oil was researched, and chemical constitutions of essential oil and distilled substance were analyzed by GC-MS. 研究分子蒸馏技术纯化八角精油的工艺条件,利用GC-MS对精油及分离纯化的馏分进行化学组成分析。
Molecular Distillation of Star Anise Oil and Catalytic Oxidation of Anethole to Anisaldehyde in Microwave 分子蒸馏八角茴香油微波催化氧化茴香脑制备茴香醛
Aniseed is a Chinese characteristic forest product which can extract anise oil, and it contains shikimic acid which is an important medicament. 前言:八角是我国特色林产品,除可以提取茴油外,还含有合成“达菲”的重要成分&莽草酸。
Comparison on extracting method of star anise oil with supercritical CO_2 in industry 工业上超临界CO2生产八角茴香油的方案比较
Some of them come first on the list in the world, such as cassia oil, star anise, peppermint oil, menthol, turpentine oil, eucalyptus oil and cedar wood oil etc. 其中,如桂油、八角茴香、薄荷油、薄荷脑、桉叶油、松节油、柏木油等的产量已居世界前列或首位。
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。
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。
Studies on Chemical Constitutes of Volatile Oil Extracting from Star Anise and Star Anise Oil Resin 从八角及八角油树脂中提取挥发油的化学成分分析
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;
The results showed that ( 1) the yield of star anise oil extracted by liquid CO_2 is much higher than that by supercritical CO_2; 用液体CO2萃取比用超临界CO2萃取的出油率要高得多;
Studies on the extraction of star anise oil from Illicium Verum by liquid and supercritical carbon dioxide 液态及超临界CO2萃取八角茴香油的研究
Study on Synthesis and application of polymeric anise oil resin 大茴香油聚合树脂的合成及应用研究
The Selectivity of Ozonization of Anise-oil 茴油臭氧化选择性的研究
The Technological Study of Extracting Star Anise Oil with Ethanol 乙醇提取八角茴香油工艺的研究
Scanning Electron Microscopy ( SEM) has been applied to the study on the superstructure of various microencapsulated star anise oil. 本文用扫描电镜(SEM)研究微胶囊化茴香油的超微结构。
Study on solvent crystallization separation of anise oil 八角茴香油溶剂结晶分离的研究
Study on the optimal technical of extracting star anise oil resin 八角油树脂萃取工艺的优化研究
The optimal technical of extracting star anise oil resin with organic solvent are studied. 研究有机溶剂萃取八角油树脂的最佳工艺条件。
Analysis of Star Anise Oil Using GC/ MS GC/MS分析八角茴香油