亚硝基化合物

N－亚硝基化合物的结构／致癌活性的三维构效关系研究

Studies on Three-Dimensional Quantitative Structure-Activity Relationships Between the Structures of N-Nitroso Compounds and Their Carcinogenic Activities

常见蔬菜阻断N-亚硝基化合物（NC）形成的研究

A study of inhibiting effect of ordinary vegetables on the formation of N-nitroso compounds

目的研究葡多酚（GPC）对N亚硝基化合物诱发的大鼠肝细胞生长抑素受体-2mRNA（SSTR2mRNA）表达的影响作用。

Objective To study the effect of grape procyanidin ( GPC ) on the expression of somatostatin receptor 2 mRNA induced by N nitroso compounds in the hepatic cells of rats .

背景与目的：探讨葡多酚（grapeprocyanidin，GPC）对N-亚硝基化合物诱变性的抑制作用。

BACKGROUND & AIM : To study the inhibitory effect of grape procyanidin ( GPC ) on the mutagenicity of N - nitroso compounds .

用培养鉴定及实验检测等手段检测居民膳食中的致促癌真菌、挥发性N-亚硝基化合物，胃粘膜中的幽门螺杆菌及293名健康成人血清总维生素C含量。

Cancerigenic fungi and volatility N-nitrosate compounds in residents ' meal , Helicobacter pylori ( Hp ) in gastric mucosa , and total content of vitamin C in 293 healthy adults ' serum were detected by culture , authentication , and laboratory examinations .

特别是N-亚硝基化合物和BaP曾作过详细研究，因为它们只在某个体系的特定器官使之成为恶性。

In particular , N-nitro compounds and BaP have been studied in detail , since in some system only specific organics become malignant .

借模式辨认，建立了N-亚硝基化合物（NNC）的结构致癌活性关系（SCAR）的双区理论模型，153个NNC的计算结果与实验事实的一致达97.4%。

Di-region theory model for structure-carcinogenic activity relationship ( SCAR ) of 153 N-nitroso compounds ( NNC ) by using pattern recognition on computer with 97.3 % quantitative agreement , has been finalized in this laboratory .

在亚硝基化合物的还原反应中，用Zn和HCl来代替LiAlH4，又用NaOH沉淀ZnCl2，既降低了成本，又利于三废处理。

In the reduction reaction of nitroso-compound , LiAlH_4 is replaced with Zn and HCl . In this reaction , ZnCl_2 is deposited with NaOH . In such way , the cost can be decreased and the waste can also be easily treated .

对胃癌高发区福建长乐县49份鱼露样品的N-亚硝基化合物（NOC）前体进行分析，从中检出17种游离氨基酸，总含量为630μmol/ml。

The precursors of N-nitroso compounds ( NOC ) in 49 fish sauce samples collected from Changle county , the highest gastric cancer mortality area in China , were analyzed . Seventeen kinds of free amino acids were detected with total concentration of 630 μ mol / ml in average .

N&亚硝基化合物致癌活性和物理化学行为相关性的研究

Quantitative structure-activity relationship study for carcinogenicity and physicochemical behaviors of N-nitroso chemicals

盐水火腿加工中影响亚硝基化合物生成因素的研究

Study on Relationship between Brined Ham Processing Factors and Content of N-nitrosamine

内皮功能异常患者的血浆亚硝基化合物含量降低

Plasma nitroso compounds are decreased in patients with endothelial dysfunction

影响发霉玉米面饼中亚硝基化合物形成的因素

Factors Determining the Formation of Nitroso Compounds in Moldy Cornbread

总N-亚硝基化合物接触量与胃癌死亡率的生态学相关性

The correlation between exposure to total N-nitroso compounds and mortality of stomach cancer

胺类化合物一般是由相应的硝基、亚硝基化合物等作为原料进行还原生产制得。

Amines are usually prepared by reducing the corresponding nitro compounds or nitroso compounds .

食物中总亚硝基化合物及其相关危险因素研究

Study on N-nitroso compound in food and its relevant risk factors for esophageal cancer

N－亚硝基化合物结构－致癌活性的相关性研究

Studies on Structure-Carcinogenic Activity Relationship of N-Nitroso Compounds

腌制水产品中N-亚硝基化合物的研究进展

Research progress on N-nitroso-compounds in salted aquatic products

麦芽和啤酒中的N-亚硝基化合物

N - nitroso Compounds in Malt and Beer

余甘子对强致癌物质N&亚硝基化合物合成的阻断作用（一）

Blocking effect of Phyllanthus emblica on the formation of strong cancerogenic substance n-nitrous chemical compound (ⅰ)

茶多酚和柚子皮等复配对阻断西式火腿中N-亚硝基化合物合成的效果研究

Study on the nitrosamine reduction in western ham by adding tea polyphenol and citrus grandis peel

胃癌高发区鱼露中N-亚硝基化合物前体的分析

Analysis of precursors , of N-nitroso compounds in fish sauce from a high gastric cancer mortality area

本文综述了N-亚硝基化合物分析方法的各种样品制备方法和定量定性分析方法。

The present paper reviews various sample preparation methods and quantitative methods for determination of volatile N-nitroso compounds .

色谱-质谱峰匹配技术测定一些酒类样品中四种挥发性N&亚硝基化合物

Determination of Trace Volatile N & Nitrosocompounds in White Spirit , Beer and Wine by GC alld Peak Matching Technique

亚硝化农肥水中N-亚硝基化合物的分析二苯胺一步法合成4-亚硝基二苯胺

The analysis on types of N-nitroso compounds in the farm compost polluted water with nitrosation SYNTHESIS OF 4 NITROSODIPHENYLAMINE FROM DIPHENYLAMINE IN ONE STEP

中华猕猴桃汁对N-亚硝胺在体内外合成的阻断作用中华猕猴桃汁阻断胃癌高发区人群的内源性N-亚硝基化合物合成

The inhibitory effect of Actinidia chinensis Planch on the endogenous formation of N-nitroso compounds in subjects from a high - risk area for gastric cancer

本文采用其中一种方法即高分辨峰匹配技术测定了一些白酒、啤酒、葡萄酒共50份样品中四种N&亚硝基化合物的含量，并对其结果进行了讨论与评价。

The method described here is based on above methods using high resolution peak matching technique which can be used to determine N & Nitrosocompounds in white spirit , beer and wine ( 50 samples altogether ) . The results were discussed and estimated .