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。

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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。

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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。

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Thus armed, tackling the recipe itself an elemental combination of confectioner's sugar, flour, eggs and anise oil is easy. (You may have most of the ingredients on hand already.) For leavening, purists prefer a pinch of hartshorn (aka baker's ammonia), which is traditional in Scandinavian baking and thought to produce a tender, fluffier crumb but conventional baking powder more than suffices.

WSJ: Wunderbar Christmas Cookies