咖啡酸是葡萄中含有的另一种酚类化合物。
目的：测定不同产地蒲公英中咖啡酸和绿原酸含量。
OBJECTIVE To determine the content of caffeic acid and chlorogenic acid in Taraxacum from different habitats.
目的用高效液相色谱法测定蒲公英颗粒中咖啡酸的含量。
Objective To determine caffeic acid in Pugongying granules by HPLC.
目的合成新型咖啡酸衍生物并测定其抑制HIV 1整合酶活性。
Aim To synthesize a series of new caffeic acid derivatives and test their HIV-1 integrase inhibitory activities.
方法以咖啡酸为起始原料，经过酰化、酯化、水解等反应进行合成。
Methods One compound was synthesized by using caffeic acid as raw materials through the reaction of acylation, esterification, hydrolysis, and so on.
说明在酶促氧化过程中，绿原酸和咖啡酸是主要进行聚合反应的底物。
It was proved that chlorogenic acid and caffeic acid were the main substrates in the process of enzymatic oxidation which ran the reaction of polymerization.
目的：探讨咖啡酸锗对小鼠肝癌H 22端粒酶活性及细胞凋亡的影响。
Objective: to investigate the effects of Caffeic acid Ge on telomerase activity and apoptosis on H22 cancer cells in mice.
咖啡酸甲酯和3,4 -二乙酰基咖啡酸能突破血脑屏障具有脑靶向性特点。
Methyl ester of caffeic acid and 3, 4-diacetyl-caffeic acid can cross the BBB and can thus be used as brain targets.
结果：咖啡酸锗能诱导h 22细胞凋亡以及抑制端粒酶的活性，并与药物浓度有关。
Results: Caffeic acid Ge could induced H22 cells apoptosis and inhibit telomerase activity by different concentrations.
该天然抗氧化剂是多组分的混合物，其抗氧化成分力咖啡酸、 绿原酸和多种氨基酸。
This natural antioxidant is a multicomponent mixture with good antioxidative effect, safe in use and is possible to take the place of synthetics.
对HPLC分离苹果酸性多酚组分(绿原酸、咖啡酸、P -香豆酸)的条件进行了研究。
The detection conditions of acid polyphenols in apple by HPLC were optimized.
目的：研究土壤水分胁迫对短葶飞蓬灯盏乙素和咖啡酸酯含量的影响，验证逆境效应理论。
Objective:To study the effect of water stress on the content of scutellarin and caffeate in Erigeron breviscaps.
“咖啡经常被人误解，但是咖啡里包含的咖啡酸是立即提升机敏性和血压的绝佳方式，”柯林斯说。
'Coffee is often vilified but the caffeic acid it contains is a great way to instantly increase alertness and blood pressure,' says Collins.
咖啡酸含量在不同生长时期根中变化较小，茎、叶和花中的咖啡酸含量均在果实成熟期达到最高。
The caffeic acid content in roots at different growth stages changed a little, the caffeic acid content in stems, leaves and flowers stage got to the highest at the fruit maturity.
结论：所建立的方法对处方中蒲公英所含咖啡酸可准确、速地定量，可作为复方公英片的质量控制。
Conclusion: the established method is accurate, reliable, and can be used for the quality control of compound Gongying Tablet.
为了探讨电荷转移机理，详细研究了咖啡酸（DHPAA）及其甲酯（MDHPA）类保护剂的保护效应。
In order to investigate the charge transfer protection mechanism on DNA and itselectrophilic nucleotide-dTMP, caffeic acid (DHPAA) and methyl caffeate (MDHPA)protectors have been studied in detail.
在酶促氧化条件下，对模拟苹果酒体系中，儿茶素、表儿茶素、绿原酸和咖啡酸这四种单酚进行氧化聚合反应实验。
Under the condition of enzymatic oxidation, it was studied by the experiment of oxidative polymerization of catechin, epicatechin, chlorogenic acid and caffeic acid in the cider model system.
微波、超声波和热回流提取技术分别用于提取杜仲中的绿原酸、咖啡酸、没食子酸、原儿茶酸和香草酸，并用高效液相色谱进行分析。
Microwave-and ultrasonics-assisted extraction(MAE and UAE) and heat reflux extraction(HRE) techniques were respectively used for simultaneous extraction of five polyphenolic acids, i.
已测出了忍冬叶中绿原酸和总咖啡酰奎宁酸的含量。
The contents of chlorogenic acid and total caffeoylquinic acid in Folium Lonicerae had been determined.
我觉得这咖啡味道有点酸。
这是因为我放了太多的咖啡还是因为过期的咖啡味道是酸的？
It is because I put too much coffee or expired coffee taste sour?
特龙贝蒂说，咖啡中含有丹宁酸和抗氧化剂，对心脏和动脉有好处。
Coffee contains tannin and antioxidants, which are good for the heart and arteries, Dr Trombetti says.
举例来说，尽管咖啡因通过阻碍有助睡眠的大脑化合物腺甘从而让人们保持清醒，但咖啡中的绿原酸让腺甘苷在大脑中循环的时间延长了。
For example, while caffeine keeps people awake in part by blocking adenosine, a brain chemical that brings on sleep, the chlorogenic acid in coffee keeps adenosine circulating in the brain longer.
当研究人员用这些咖啡提取物与体外培养人体细胞发生反应时，这些细胞会提高酸的生成量。
When the researchers served these coffee extracts to cultured human stomach cells, the cells jacked up acid production.
咖啡还能提供绿原酸，绿原酸在动物实验中能够降低血糖浓度。
It is also a source of chlorogenic acid, which has been shown in animal experiments to reduce glucose concentrations.
能量饮料不受FDA的监管，高含咖啡因和会引起不确定健康危害的氨基酸和香草，并且小孩不能吸收。
Energy drinks are unregulated by the FDA and contain high amounts of caffeine as well as amino acids and herbs with uncertain health risks and should never be consumed by kids.
更好的消息，则来自芝加哥拉什大学医药中心的睡眠研究人员JamesWyatt，他发现早上少喝一点咖啡因，然后白天持续饮用很小剂量，这样就可以均匀地抵抗腺苷酸的摄入。
Better, says sleep researcher James Wyatt of Rush University Medical Center in Chicago, to consume a little caffeine in the morning and continue to take it in very small doses throughout the day.
更好的消息，则来自芝加哥拉什大学医药中心的睡眠研究人员JamesWyatt，他发现早上少喝一点咖啡因，然后白天持续饮用很小剂量，这样就可以均匀地抵抗腺苷酸的摄入。
Better, says sleep researcher James Wyatt of Rush University Medical Center in Chicago, to consume a little caffeine in the morning and continue to take it in very small doses throughout the day.
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