精油（essential oils）又称挥发油（volatile oils）是植物体在常温下暴露于空气中可挥发、 具有芳香气味、可用水蒸汽蒸馏法提取的油状液体的总称。
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non-volatile oils 不挥发油类 ; 非挥发性的油类 ; 非挥发性油品
Volatile oils in spices 料中的挥发性油类
non volatile oils 不挥发油类
volatile oils inclusion 挥发油包合
litsea cubeba volatile oils 山苍子挥发油
Ramulus Cinnamomi volatile oils 桂枝挥发油
Objective: To analyze compositions of the volatile oils in Herba Emiliae.
目的：研究一点红挥发油的化学成分。
参考来源 - 一点红挥发油化学成分的分析—《中国医药导报》—2008年第22期—龙源期刊网The results indicated that Amomum tsao-ko contains a variety of chemical constituents,including saccharide,Protein,amino acids,phenolic compounds,tannins,organic acids,saponins,flavonoids,anthraquinone,coumarin,lactones,cardiac glycosides,steroids,terpenoids,volatile oils,grease,anthocyanins.
实验结果表明,草果中含有糖类、蛋白质、氨基酸、酚类、鞣质、有机酸、皂苷、黄酮、蒽醌、香豆素、内酯、强心苷、甾体、萜类、挥发油、油脂、花青素多种化学成分。
参考来源 - 香辛料草果中化学成分的定性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： essential oil
以上来源于: WordNet
Some of the culinary herb tea mixtures sold in the US are flavor enhanced with volatile oils or other aromatic ingredients that make a tastier drink but don't add healing benefit.
一些在美国出售的香草茶是添加了挥发油或其他芳香成分混合的，能使饮料可口，但并没有其他有益成分。
As a result, there is a need to initiate research on the effect of Artemisia's volatile oils on dermal acne and bacteria as well as its anti-febrile properties.
因此，开展青蒿挥发油对常见病-痤疮致病菌的影响，以及青蒿挥发油退热作用的研究是一项有益的尝试。
The main components of Zanthoxylum are volatile oils, alkaloids, amides, etc. The contents and constituents of these materials from different species or habitats are greatly different.
花椒中富含挥发油、植物碱、酰胺类物质等，因品种、产地的不同这些物质组分和含量有较大区别。
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