autoxidation

简明释义

[ɔːˌtɒksɪˈdeɪʃən][ɔːtɑːksɪˈdeɪʃn]

n. [化学] 自氧化;自然氧化;[化学] 自动氧化(作用)

英英释义

Autoxidation is a spontaneous oxidation process that occurs in the presence of oxygen, typically involving the reaction of unsaturated organic compounds, leading to the formation of peroxides and other oxidation products.

自氧化是指在氧气存在下,自发发生的氧化过程,通常涉及不饱和有机化合物的反应,导致过氧化物和其他氧化产物的形成。

单词用法

autoxidation process

自氧化过程

autoxidation reaction

自氧化反应

rate of autoxidation

自氧化速率

autoxidation stability

自氧化稳定性

prevent autoxidation

防止自氧化

accelerate autoxidation

加速自氧化

autoxidation products

自氧化产物

inhibit autoxidation

抑制自氧化

同义词

spontaneous oxidation

自发氧化

The autoxidation of lipids can lead to rancidity in food products.

脂质的自发氧化可能导致食品的酸败。

self-oxidation

自我氧化

Self-oxidation reactions are important in the aging process of materials.

自我氧化反应在材料的老化过程中是重要的。

反义词

reduction

还原

The reduction of oxidized compounds is essential in many biochemical processes.

在许多生化过程中,氧化化合物的还原是至关重要的。

inhibition

抑制

Inhibition of autoxidation can prolong the shelf life of food products.

抑制自氧化可以延长食品的保质期。

例句

1.Enzyme activity was determed with the autoxidation of pyrogallol method.

酶活力测定采用微量邻苯三酚自氧化法。

2.The method of autoxidation of pyrogallol was used in this experiment to study SOD activity in animal milk.

采用邻苯三酚自氧化法,对五种有代表性的动物奶中SOD活性进行了研究。

3.Prior to or following taking PGR mixture, 33 severe hepatitis patients' blood SOD activity was determined with a simplified method of pyrogallol autoxidation.

用简易邻苯三酚自氧化法测定了33例重症肝炎患者服用赤栀黄合剂前后全血SOD活性。

4.Many studies show that nonenzymatic glycation and glucose autoxidation which are accompanied by generation of free radicals is a process of glycation and oxidation.

许多研究表明非酶糖化和葡萄糖自身氧化伴随着游离基的产生,是一个糖化氧化过程。

5.The effects of autoxidation and thermal degradation of lipids leading to the volatile components and the oxidation of lipid with unsaturated fatty acids on the formation of meat flavour were reviewed.

综述了脂质自动氧化、热降解产生的挥发性物质及含有不饱和脂肪酸的脂质氧化在肉风味中的重要作用。

6.The effects of autoxidation and thermal degradation of lipids leading to the volatile components and the oxidation of lipid with unsaturated fatty acids on the formation of meat flavour were reviewed.

本文提出了一个油脂自动氧化机理表述模型,并求出了与之相关的速度方程式,阐明了氧在油脂自动氧化中的作用机理和油脂的自动氧化过程。

7.A decline in iodine value is sometimes used to measure the reduction of dienoic acids during the course of autoxidation.

有时,碘值的下降用来测量在自动氧化过程中二烯酸的减少。

8.The effects of autoxidation and thermal degradation of lipids leading to the volatile components and the oxidation of lipid with unsaturated fatty acids on the formation of meat flavour were reviewed.

本文提出了一个油脂自动氧化机理表述模型,并求出了与之相关的速度方程式,阐明了氧在油脂自动氧化中的作用机理和油脂的自动氧化过程。

9.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。

10.Reaction mechanism of liquid phase autoxidation of O-nitrotoluene under strong base is investigated in this paper.

讨论了碱性条件下常压氧气液相氧化邻硝基甲苯的反应机理。

11.The process of autoxidation is often responsible for the rancidity of fats and oils.

脂肪和油的变质通常是由于自氧化过程造成的。

12.In food chemistry, autoxidation can lead to the degradation of vitamins.

在食品化学中,自氧化可能导致维生素的降解。

13.Certain polymers undergo autoxidation when exposed to air over time.

某些聚合物在长时间暴露于空气中时会发生自氧化

14.Antioxidants are often added to prevent autoxidation in cosmetics.

抗氧化剂常被添加以防止化妆品中的自氧化

15.The study of autoxidation is crucial for improving the shelf life of products.

研究自氧化对于提高产品的保质期至关重要。

作文

Autoxidation is a chemical process that involves the reaction of oxygen with organic compounds, leading to their degradation. This phenomenon is particularly significant in the fields of food science, materials science, and biochemistry. Understanding autoxidation (自氧化) is crucial for preserving the quality of various products and preventing spoilage.In the food industry, autoxidation (自氧化) plays a vital role in determining the shelf life of edible oils, fats, and other perishable items. When these substances are exposed to air, the oxygen can react with unsaturated fats, resulting in rancidity. This not only affects the flavor and aroma but also poses health risks due to the formation of harmful free radicals. Manufacturers often incorporate antioxidants to inhibit autoxidation (自氧化) and extend the freshness of their products.Similarly, in materials science, autoxidation (自氧化) is a key factor influencing the durability of polymers and coatings. For instance, when plastics are exposed to UV light and oxygen, they undergo autoxidation (自氧化), leading to discoloration, brittleness, and loss of mechanical properties. Researchers are constantly seeking ways to enhance the stability of materials by adding stabilizers or modifying their chemical structures to resist autoxidation (自氧化).In biochemistry, autoxidation (自氧化) can have both beneficial and detrimental effects. On one hand, it is involved in important metabolic processes, such as the production of energy in cells. On the other hand, excessive autoxidation (自氧化) can lead to oxidative stress, which is associated with various diseases, including cancer and neurodegenerative disorders. Antioxidants, such as vitamins C and E, play a protective role by neutralizing free radicals generated during autoxidation (自氧化).The study of autoxidation (自氧化) has led to significant advancements in various industries. For example, the development of more stable food products has been achieved through the understanding of the mechanisms behind autoxidation (自氧化). In cosmetics, formulations are designed to minimize the effects of autoxidation (自氧化) to maintain product efficacy and safety.In conclusion, autoxidation (自氧化) is a multifaceted process that impacts numerous aspects of our daily lives. From the food we consume to the materials we use and the biological processes within our bodies, understanding autoxidation (自氧化) is essential for improving product quality and ensuring health. As research continues to evolve, the implications of autoxidation (自氧化) will undoubtedly lead to innovative solutions across various sectors, enhancing the way we interact with our environment and the products we rely on.

自氧化是一个化学过程,涉及氧与有机化合物的反应,导致其降解。这个现象在食品科学、材料科学和生物化学领域尤为重要。理解autoxidation(自氧化)对于保持各种产品的质量和防止变质至关重要。在食品工业中,autoxidation(自氧化)在决定食用油、脂肪和其他易腐烂物品的保质期方面发挥着重要作用。当这些物质暴露在空气中时,氧气会与不饱和脂肪反应,导致油脂变质。这不仅影响风味和香气,还因形成有害自由基而对健康构成风险。制造商通常会添加抗氧化剂以抑制autoxidation(自氧化),延长产品的新鲜度。同样,在材料科学中,autoxidation(自氧化)是影响聚合物和涂层耐久性的关键因素。例如,当塑料暴露在紫外线和氧气中时,它们会经历autoxidation(自氧化),导致变色、脆化和机械性能下降。研究人员不断寻求通过添加稳定剂或改性化学结构来增强材料的稳定性,以抵抗autoxidation(自氧化)。在生物化学中,autoxidation(自氧化)可能具有有益和有害的影响。一方面,它参与重要的代谢过程,如细胞能量的产生。另一方面,过度的autoxidation(自氧化)可能导致氧化应激,这与多种疾病相关,包括癌症和神经退行性疾病。抗氧化剂如维生素C和E通过中和在autoxidation(自氧化)过程中产生的自由基,发挥保护作用。对autoxidation(自氧化)的研究在各个行业中带来了显著的进步。例如,通过理解autoxidation(自氧化)背后的机制,开发了更稳定的食品产品。在化妆品中,配方设计旨在最小化autoxidation(自氧化)的影响,以保持产品的有效性和安全性。总之,autoxidation(自氧化)是一个多方面的过程,影响着我们日常生活的多个方面。从我们消费的食品到我们使用的材料以及我们体内的生物过程,理解autoxidation(自氧化)对于提高产品质量和确保健康至关重要。随着研究的持续发展,autoxidation(自氧化)的影响无疑将导致各个领域的创新解决方案,提升我们与环境及依赖产品的互动方式。