Essential oils refer to the active components from natural products.
挥发油是天然产物中一类重要的活性成分。
The techniques of extraction and separation for active components from natural products are summarized, and the methods of extraction and chromatography are presented emphatically.
综述天然产物中活性成分的提取分离及分析技术，并着重对萃取技术、色谱技术进行论述。
Flavonoids is a kind of main active components in natural medicinal plants with many physiological functions.
黄酮类化合物是天然药用植物的主要活性成分之一，具有多种生理功能。
Olive Leaf has a variety of natural components, including the active ingredient oleuropein and several types of flavonoids.
橄榄叶含有多种天然成分，包括有效成分橄榄多酚和黄酮类化合物。
Seeking for the natural drugs with strong XOD inhibitory activity and theirs active components is of great significance.
寻求具有强xod抑制活性的天然药物及其活性成分具有重要意义。
The research field of isolation and identification of natural products is very important and active. To find and avail of bioactive components in natural drugs is the key to study new medicines.
天然产物有效成分分离及结构鉴定是非常重要和活跃的研究领域，从中可以发现和利用其重要的生物活性组分，是目前新药物研发的关键。
It's processed by the top molecular separating technique, extracting at natural water temperature, and final concentrating its active components.
采用尖端的分子分离技术，在天然的水温环境中进行鲨鱼软骨提取，并将其活性分子加以浓缩。
It's processed by the top molecular separating technique, extracting at natural water temperature, and final concentrating its active components.
采用尖端的分子分离技术，在天然的水温环境中进行鲨鱼软骨提取，并将其活性分子加以浓缩。
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