香豆酸

在4种器官中，香豆酸占总酸含量最低。

ρ - coumaric acid was least in every organs . 3 .

香豆酸盐系列化合物的谱学特征

Spectroscopy Character of Salts of Coumaric Acid

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 .

水稻4-香豆酸CoA连接酶的基本性质

Properties of p-Coumarate CoA Ligase in Rice

维管植物4-香豆酸：辅酶A连接酶（4CL）研究进展

Review on 4-Coumarate : Coenzyme A Ligase ( 4CL ) of Vascular Plants

但由于酿酒酵母体内缺少白藜芦醇生物合成过程中的另一关键酶，4-香豆酸：辅酶A连接酶（4CL）。

But Saccharomyces cerevisiae lacks the key enzyme ( 4-Coumaric acid Ligase , 4CL ) in resveratrol biosynthesis .

4-香豆酸-辅酶A-连接酶（4CL）是木质素合成过程中的关键酶，反义转入4CL基因可降低一些植物的木质素。

4-coumarate : CoA ligase ( 4CL ) is the key enzyme in the process of lignin synthesis .

所获得的4-香豆酸：CoA连接酶（4CL）基因长1911bp，开放阅读框1623bp，编码540个氨基酸。

The size of the cDNA fragment is 1911 bp , which included an 1623 bp open reading frame and encoded a peptide of 540 amino acids .

通过序列分析，发现此59bp区域并不包含TATA或者CAAT-box，而是存在对光、缺氧、p-香豆酸及激素反应的G-box。

Sequence analysis revealed that this important functional region contains neither TATA nor CAAT box but a G-box involved in the responsiveness of light , anaerobiosis , p-coumaric acid and hormone .

样品中游离氨基酸和KNO3含量分别为42.30mg/100g和3.0%，用柱色谱分离鉴定了十八烷、软脂酸、β-谷甾醇、p-香豆酸和KNO3。

The dissociated amino acids and KNO3 in the sample amounted to 43.30mg/100g and 3.0 % . Five compounds were isolated and elucidated as octadecane , hexadecylic acid , β - sitosterol , p-coumaric acid and potasium nitrate .

重组毛白杨4-香豆酸：辅酶A连接酶催化不同肉桂酸衍生物的酶促动力学研究

Kinetic Parameters of a Recombinant 4-Coumarate : Coenzyme A Ligase from Populus Tomentosa

植物4-香豆酸：辅酶A连接酶

4-Coumarate : Coenzyme A Ligase in Plant

植物4-香豆酸：辅酶A连接酶高效液相色谱法测定菟丝子中对-香豆酸含量

4-Coumarate : Coenzyme A Ligase in Plant Quantitative determination of p-coumaric acid in Cuscuta Chinensis Lam . by HPLC

“大蒜包含大量植物化学物质，比如大蒜素，皂甙，香豆酸等等等等，”基德补充道。

" Garlic contains lots of phytochemicals , such as allicin , saponin and coumaric acid ," adds Zied .

木屑中对羟基苯甲酸含量最高，香豆酸次之。

The content of p hydroxybenzoic acid in sawdust is the highest , followed by that of p coumaric acid .

北京杨受溃疡病菌侵染后与对照相比，阿魏酸和香豆酸的含量显著降低；其余几种酚类物质含量都有不同程度的升高。

The contents of coumaric acid and ferulic acid were reduced and the other phenolic substances were all increased in different degrees .

在此基础上用不同浓度P-香豆酸对板栗种子进行处理，证明P-香豆酸对板栗种子存在抑制作用。

The inhibiting effect of P-Coumaric acid was proven by treating Castanea mollissima cv . 'Yanshanhong'seeds with P-coumaric acid with varied concentrations .

由以上研究结果可知，盐胁迫下黑果枸杞渗透调节物质游离脯氨酸，对香豆酸、黄酮类化合物积累，说明黑果枸杞具有耐盐能力。

Makes osmotic adjustment to free proline and accumulates cumaric acid and flavonoids , this shows it has the ability of salt tolerance .

其中又以阿魏酸含量最高，平均含量在54.42-3462.75ug/g之间，其次是香豆酸和芥子酸。

Among them , the highest content was ferulic acid , and the average content of 54.42-3462.75ug / g , followed by those coumaric acid and sinapic acid .

采用回流、超声、超高压三种方法提取药材白花蛇舌草中的黄酮和对香豆酸。

The effects of three extraction methods : reflux , ultrasonicassistant and high hydrostatic pressure on the yields of flavones and pcoumaric acid of Hedyotis diffusa willd were investigated .

西瓜根、茎、叶在腐解过程中均产生香豆酸、香草酸、阿魏酸等酚酸化合物，茎和叶还产生苯丙烯酸。

Root , stem , leaf contained some kinds of phenolic acids such as p-coumaric acid , ferulic acid , vanillic acid and stem and leaf contained cinnamic acid .

三种提取工艺对黄酮和对香豆酸的提取率差别不大，测试结果的差异为试验误差。

In regard to the yields of flavones and pcoumaric acid , the effects of the three extraction methods show no significant difference , which is mainly the test error .

然而在相同的实验条件下，p-香豆酸和m-香豆酸可以保护27.6%和6.23%的亚油酸，25.3%和11.4%的亚油酸甲酯。

While p-coumaric acid and m-coumaric acid could protect 27.6 % and 6.23 % linoleic acid and 25.3 % and 11.4 % methyl linoleate respectively under the same experimental conditions .

实验表明，对香豆酸对金黄色葡萄球菌、痢疾杆菌、大肠杆菌及绿脓杆菌均有不同程度的抑制作用，可以减少癌症药物的副作用，并且还有降血脂的作用[1-2]。

Experiments had shown that p-Coumaric acid can restrain Staphylococcus aurei 、 Shigella dysenteriae 、 colibacillu 、 Pseudomonas Aeruginosa at different levels , reduce some side effects coused by anti-cancer drugs and drop blood fat .

对梨果实中熊果苷、绿原酸、儿茶素、表儿茶素、咖啡酸、香豆酸、槲皮素等多酚类活性成分建立了双泵高压梯度淋洗的高效液相色谱分析方法。

Gradient elution reversed-phase HPLC method using two pumps established to the main polyphenolic compounds for example arbutin , chlorogenic acid , catechin , epicatechin , caffeic acid , p-coumaric acid , quercetin , et , al in pear fruit .

红富士苹果果实中含有绿原酸、儿茶素、表儿茶素、芦丁和香豆酸5种单体酚类物质。

The fruit of Fuji apple contained chlorogenic acid , ( - ) - epicatechin , ( + ) - catechin , rutin and coumaric acid . And the content of the five kinds of polyphenols above depended on the organs and development stages .

沙藏过程中，种皮中P-香豆酸的含量明显减少，因此认为P-香豆酸可能是抑制板栗种子萌发的另一个原因，而种仁中GA3/ABA比值的变化与板栗种子萌发没有明显的相关性。

It was deduced from the experiment that P-coumaric acid could be another factor to inhibit the seed germination , since its concentration dropped obviously along the course of sand stratification . There was no clear relationship between the GA_3 / ABA ratio in the seed kernel and the germination .