香草酸

通过采用前沿分析法测定丹皮酚、阿魏酸、绿原酸和香草酸在HSA柱上的吸附量，应用单、双位点模型以及单位点中的双倒数模型对实验结果进行了拟合及数理分析。

Frontal analysis was performed to determine the adsorptive capacity of four drugs paeonol , ferulic acid , chlorogenic acid and vanillic acid on HSA column . The experiment data were analysed by using one-site model , two-site model and double-reciprocal frontal analysis plot respectively .

香草酸对酪氨酸酶催化活性的抑制作用

The Inhibitory Effect of Vanillic Acid on Tyrosinase Activity

其中，对柠檬醛和香草酸的EAG反应较强烈，并随着浓度升高反应值增大。

EAG values became greater as the concentration increased .

麦角菌HCB-01712生物合成香草酸甲酯

Methyl vanillate produced by Claviceps HCB-01712

香草酸糖酯的合成研究

Study on synthesis of glycosyl esters of vanillic acid

香草酸是最适合于PHB/PET体系共聚改性的第三单体。

Vanillic acid is the third monomer suitable for modifying PHB / PET binary copolyester .

香草酸受体是瞬时受体电位离子通道家族中的成员，为治疗疼痛的新靶点。

As the member of transient receptor potential family of ion channels , vanilloid receptor is the new target against pain .

在研究原儿茶酸冰片酯体内代谢过程时发现了其甲基化产物，并鉴定其结构为香草酸冰片酯。

The author found a methylated product of bornyl protocatechuate in vivo metabolic process , and identified the structure is bornyl vanillate . 4 .

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 .

高功率微波辐射后尿中儿茶酚胺代谢产物含量的变化：辐射后3d，10mW/cm2组尿中香草扁桃酸含量显著升高，30和100mW/cm2组显著降低；

The changes of CA metabolite content in the urine after HPM exposure : The content of VMA notably increased in the urine of 10 mW / cm2 and decreased in 30 and 100 mW / cm2 at 3 days after HPM exposure ;

本文对440名锰作业工人进行了尿香草扁桃酸（VMA）测定，结果明显高于对照纽，差异非常显著（P0.001）。

Urinary VMA of 440 workers exposed to manganese fumes or dusts were determined . It was shown to be highly increased than that of the control group ( P0.001 ) .

血压偏低、心动过缓、晶状体混浊和尿香草扁桃酸（VMA）排出增高的检出率，微波组明显高于对照组（P0.05）。

In addition , the prevalence of hypotension , bradycardia , lens opacity , and increased urinary vanillylmandelic acid ( VMA ) excretion appeared to be higher in exposed workers than that in control with statistical slgnificance ( P0.05 ) .

任意尿香草扁桃酸和高香草酸的肌酐比值测定诊断神经母细胞瘤

Determination of VMA / Cr and HVA / Cr in random urine collection for the diagnosis of neuroblastoma

铝作业工人尿中的高香草酸和香草扁桃酸水平均较高，且香草扁桃酸水平显著高于对照工人；

Both urine VMA and HVA levels were higher in the workers exposed to aluminum , and urine VMA level in the exposed was significantly higher than that in controls .

方法：回顾性对照分析42例拟诊肾上腺疾病的患者SPECTCT131I-MIBG肾上腺髓质显像、B超、CT、MRI、尿-香草基杏仁酸（A）及术后病理结VM果。

Methods : SPECT / CT 131I-MIBG adrenal medullary imaging , B-mode ultrasonogram ( B-US ), CT , MRI , urinary vanillylmandelic acid ( VMA ) and pathology were analyzed retrospectively in 42 patients suspected adrenal diseases .

尿儿茶酚胺（CA）、尿香草基苦杏仁酸（VMA）阳性率分别为31.6%、63.2%。

The positive rate of the urine catecholamine and VMA was 31 . 6 % , 63 . 2 % respectively .

尿香草基苦杏仁酸和血儿茶酚胺定性诊断阳性率为73%，93%。

The positive sensivity of urinary VMA was73 % , and blood catecholamine was93 % .

血儿茶酚胺和尿香草基苦杏仁酸增高者分别为68%，84%。

The positive sensitivity of blood catecholamine was 68 % , and urinary VMA was 84 % .