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- monacetyl pyrogallol 单乙酸焦没食子酚<角质层分离剂>
- Can be used to assay SOD activity by means of pyrogallol oxidation? 邻苯三酚自氧化法适于测定SOD活性吗?
- The oxidation peak current for pyrogallol at the MWNT-modified GCE increased significantly compared with that at the bare GCE. 与裸玻碳电极相比,焦性没食子酸在MWNT修饰电极上的氧化峰电流显著增加。
- Methods The activity of SOD in blood was measured at 1,3,10 days after injury,using the pyrogallol assay in 42 cases. 方法采用邻苯三酚自氧化抑制法测定了42例颅脑损伤患者伤后1、3、10天血液超氧化物歧化酶(SOD)含量。
- Content : minimum 3.0 per cent of tannins, expressed as pyrogallol (C 6 H 6 O 3 ;M r 126.1) (dried drug). 本品(以干燥品计)所含鞣质以焦性没食子酸计(C 6 H 6 O 3 )不得少于3.;0%25。
- In this paper,a high sensitivity electrochemical method to determine pyrogallol directly was reported. 报道了一种直接测定焦性没食子酸的高灵敏度电化学分析方法。
- The results showed that the roselle calyx pigment was a kind of anthocyanin with pyrocatechol and pyrogallol hydroxyl, as well as had glucose and xylose glycoside. 结果表明:玫瑰茄红色素属于花青甙类色素,有邻二酚羟基或邻三酚羟基,含有葡萄糖和木糖两种糖苷。
- In the medium of dilute H 2SO 4, the fading reaction of pyrogallol red is oxdized by H 2O 2, which can be catalyzed by Zn 2+ has been studied. 研究了在稀H2 SO4介质中 ,Zn2 + 催化H2 O2 氧化邻苯三酚红的褪色反应。
- This paper reports the antioxidative activity detection for the grape juice produced in Dalian, by using the pyrogallol autoxidation method. 摘要报道了利用邻苯三酚自氧化法对大连本地葡萄汁抗自由基活性的测定。
- Methods Determine the release of superoxide dismutase by the autoxidation of pyrogallol and explore the factors influencing the release. 方法采用邻苯三酚自氧化法检测超氧化物歧化酶的释放度,并进行影响因素研究。
- Object: To observe the oxygen derived free radicals scavenging of diterpenoid tanshinones by pyrogallol autoxidation systems. 目的:探讨丹参二萜醌对邻苯三酚自氧化反应产生的氧自由基的作用。
- It is shown that quercetin Mn(II) complex has reaction activity with superoxede ion, as indicated by inhibition of pyrogallol autoxidation. 实验还合成了以槲皮素为代表的黄酮醇和Mn(II)形成的金属络合物,并且研究了其SOD活性,初步的实验结果表明,槲皮素锰络合物具有一定的SOD活性。
- Anti-oxidative effects of extracts from Ganoderma lucidium (GL) and Ganoderma atrum (GA) were studied by using DPPH and pyrogallol autooxidation methods. 分别用DPPH法、邻苯三酚自氧化法测定了赤灵芝和黑灵芝提取物的抗氧化作用。
- The Gelidium amansii showed scavenging capacity to hydroxyl free radical generated by Fenton reaction and to superoxide anion generated by a pyrogallol autoxidation system. 采用水杨酸法和邻苯三酚法分别测定各相提取物对羟基自由基和超氧阴离子自由基的清除能力,结果表明石花菜有较强的抗氧化能力。
- The superoxide dismutase(SOD) activity was studied through its inhibition of pyrogallol autoxidation with electrophoretically mediated microanalysis(EMMA). 基于超氧化物歧化酶(SOD)对邻苯三酚自氧化的抑制作用和电泳中介微分析(EMMA)技术建立了一种测定SOD的新方法。
- A couple of sensitive redox peaks for pyrogallol at the multi-wall nanotubes(MWNT) modified glassy carbon electrode (GCE) were observed at the potential of 0.068 V and 0.018 V,respectively. 在多壁碳纳米管(MWNT)修饰玻碳电极上;焦性没食子酸分别在0.;068V和0
- The voltammetric behavior of pyrogallol at the MWNT modified GCE was investigated and the experiment parameters such as buffer pH,accumulation time,the amount of MWNT-DHP suspension and scan rate were optimized. 研究了焦性没食子酸在MWNT修饰电极上的伏安行为,优化了测定参数,在此基础上建立了一种直接测定焦性没食子酸的电化学分析方法。
- All extracts of Cms could inhibit autoxidation of pyrogallol and inhibilition rate was 30.15%-94.97%(compared with the control,P<0.001),inhibition effect of alcohol extracts were the most strong among them. 川明参不同溶剂提取部分都具有抗邻苯三酚自氧化的能力;抑制率30.;15%25~93
- To extract two efficient parts with macroreticular resin;To determine the content of total Flavonoids with UV-spectrophometry.To measure their anti-oxidation by means of pyrogallol oxidation. 采用溶剂法及大孔树脂法提取卫矛中降血糖及抗心肌缺血有效部位的总黄酮,通过紫外分光光度法测定总黄酮含量,利用抑制邻苯三酚自氧化试验考察抗氧化性。
- Antioxidative substances from chicken blood and heart were extracted, their antioxidative activities were measured by pyrogallol (PR) autooxidation and Na_2S_2O_3-I_2 titrimetric method. 从鸡心、鸡血中提取抗氧化物,并分别利用邻苯三酚(PR)自氧化法、碘量法对其活性进行了检测。