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.
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.
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.
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.
最近有三名国会议员就破裂法发表报告,报告指出,2005—2009年间石油和天然气公司使用的2500多种破裂材料含有750种化学物,有些成分是对人体无害,如柠檬酸、速溶咖啡。
Three members of Congress recently released a report on fracking, saying that oil and gas companies used more than 2,500 fracking products containing 750 chemicals between 2005 and 2009.
“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.
调查者说,饮料一般都含有大量的咖啡因和牛磺酸,以及一种氨基酸,而这种氨基酸在那些能够影响心脏功能和血压的肉鱼类蛋白质丰富的食品里才能发现。
The drinks generally have high levels of caffeine and taurine, an amino acid found in protein-rich foods like meat and fish that can affect heart function and blood pressure, the researchers said.
结果:测定了川渝6种忍冬叶中绿原酸和总咖啡酰奎宁酸的含量。
Results: The contents of chlorogenic acid and total caffeoylquinic acid in 6 Folium Lonicerae had been determined.
特点:哈拉尔咖啡的特性是;优质的阿拉伯风味,甘香,略带有葡萄酒的酸香,醇度适宜,强烈纯质感,带有奇妙的黑巧克力余味。
Features: Coffee is characterized by Harald; quality Arab flavor, Ganxiang, slightly sour with wine fragrance, alcohol degree of fit, strong pure texture, with wonderful dark chocolate finish.
咖啡中包含由许多天然植物成分复合而成的化合物,即绿原酸。
Coffee contains a long list of natural plant compounds, called chlorogenic acids which help to bring down blood-glucose levels.
由于它的味道偏酸,所以一般不被用于制作意式香浓咖啡。
Lighter roasts are generally not used for espresso since they produce a sharper, more acidic taste than do darker roasts.
除了糖和脂肪酸,其他软性饮料的成分,尤其令人关注。咖啡因,被加在许多最受欢迎的饮料,是一种温和上瘾的兴奋剂药物。
Besides the sugars and acids, other soft drink ingredients are of concern. Caffeine, which is added to many of the most popular soft drinks, is a mildly addictive, stimulant drug.
咖啡是酚类成份绿原酸以及维他命b 3前驱物胡卢巴碱的重要来源,胡卢巴碱在动物研究中显示可降低血糖浓度。
Coffee is a major source of the phenolic compound chlorogenic acid and the vitamin B3 precursor trigonelline that have been shown to reduce blood glucose concentrations in animal studies.
茶叶和咖啡中的单宁酸会阻碍日常饮食中铁和锌的吸收。
The tannin in tea and coffee inhibits the absorption of iron and zinc from the diet.
咖啡还能提升运动的几个机制,包括从脂肪组织中活化脂肪酸。
Caffeine can also improve athletic performance by several mechanisms, including by mobilizing fatty acids from the fat tissues.
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.
此外,咖啡因会替换掉一种叫腺甘酸的化学物质,这种物质还会产生疲劳的感觉,从而让你活力更充沛。而睡觉可以彻底让腺甘酸从你大脑里清除。
What's more, caffeine makes you feel more energetic by displacing a chemical called adenosine, which produces a feeling of tiredness - and sleep naturally clears adenosine from your brain.
从黄花丹参中分到的迷迭香酸甲酯甙(11)和迷迭香酸甙(12)为新化合物,是首次发现的咖啡酰缩酚酸类化合物的甙。
Salviaflaside methyl ester(11) and salviaflaside(12) are two new trace depsidic glycosides isolated from Salvia flava. This is the first example of a caffeoyl depsidic glycoside.
结果表明,随原料级别的降低,所制罐装绿茶水中多酚类、儿茶素、咖啡碱、氨基酸的含量下降;
The results showed that contents of polyphenols, catechins, caffeine and amino acids decreased, off_flavor aroma got weak and tea cream decreased with the drop of raw material grade.
咖啡淡淡的酸味来自于此。往好的看,奎宁酸是合成抗感冒药达菲的起始原料化合物之一。
Gives coffee its slightly sour flavor. On the plus side, it's one of the starter chemicals in the formulation of Tamiflu.
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.
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.
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.
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