oxidative

简明释义

英[ˈɒksɪdeɪtɪv]美[ɑːksɪˈdeɪtɪv]

adj. [化学] 氧化的

英英释义

单词用法

同义词

反义词

例句

1.Kelp: High in fiber, this brown algae extract helps control liver and lung cancer, douses inflammation, and is anti-tumor and anti-oxidative.

海带：这种含高纤维的褐色藻类可以帮助控制肝癌和肺癌，对抗炎症，而且有抗肿瘤和抗氧化的功效。

2.An overview on the development of oxidative stress and damage from the free radicals, and the defenses systems for antioxidation.

该文对自由基所引起的氧化胁迫和伤害，以及各种抗氧化防御系统进展，作一综述。

3.However, at 30 degrees centigrade the researchers found that the cleanup processes cannot cope with ROS and oxidative damage occurs.

然而，研究人员发现在30摄氏度这种清除过程并不能清除活性氧或阻止氧化损伤的发生。

4.Iron and copper increase oxidative stress (free radical damage), which is a major problem in CFIDS.

增加铁和铜的氧化应激(自由基损伤)，这是一个重大问题在CFIDS。

5.Oxidative stress leads to retinal diseases like age-related macular degeneration (AMD) and glaucoma.

氧化压力导致视网膜的疾病，像年龄相关性黄斑变性(amd)和青光眼。

6.Free radicals can cause oxidative tissue damage, which triggers inflammation that contributes to problems like allergies and asthma.

自由基可引起组织氧化损伤，从而引起炎症导致像过敏和哮喘这样的问题。

7.Antioxidants help to combat oxidative 氧化的 damage caused by free radicals.

抗氧化剂有助于对抗由自由基造成的氧化的氧化的损伤。

8.The process of aging is often associated with increased oxidative 氧化的 stress in the body.

衰老过程通常与体内增加的氧化的氧化的压力相关。

9.Certain foods are known to reduce oxidative 氧化的 stress in the body.

某些食物已知能减少体内的氧化的氧化的压力。

10.Research shows that oxidative 氧化的 stress can contribute to various chronic diseases.

研究表明，氧化的氧化的压力可能导致各种慢性疾病。

11.Exercise can increase oxidative 氧化的 stress, but it also boosts antioxidant defenses.

锻炼可以增加氧化的氧化的压力，但也增强了抗氧化防御。

作文

Oxidative stress is a term that refers to the imbalance between free radicals and antioxidants in the body. Free radicals are unstable molecules that can damage cells, proteins, and DNA by stealing electrons through a process called oxidation. This process, while a natural part of cellular metabolism, can become problematic when there is an excess of free radicals due to factors such as pollution, radiation, and poor diet. The body has a defense mechanism involving antioxidants, which are molecules that can donate an electron to free radicals without becoming unstable themselves. However, when the production of free radicals exceeds the body's ability to neutralize them, it leads to what is known as 氧化性 stress. This condition is associated with various diseases, including cancer, cardiovascular diseases, and neurodegenerative disorders.Understanding the implications of 氧化性 stress is crucial for maintaining health. It emphasizes the importance of a balanced diet rich in antioxidants, which can be found in fruits, vegetables, nuts, and whole grains. These foods can help mitigate the effects of free radicals and reduce the risk of developing chronic diseases. For instance, vitamins C and E, selenium, and flavonoids are potent antioxidants that can combat 氧化性 damage. Moreover, lifestyle choices play a significant role in managing 氧化性 stress. Regular physical activity can enhance the body’s antioxidant defenses, while excessive alcohol consumption and smoking can increase the production of free radicals. Therefore, adopting a healthy lifestyle that includes regular exercise, a balanced diet, and avoiding harmful substances is essential for reducing 氧化性 stress and promoting overall well-being.Research into 氧化性 stress has also led to advances in medical science. Scientists are exploring ways to harness antioxidants in therapeutic settings to treat diseases linked to 氧化性 damage. For example, some studies suggest that certain antioxidant supplements may improve outcomes in patients with heart disease or cancer. However, it is crucial to approach supplementation with caution, as not all antioxidants are beneficial in all contexts, and high doses can sometimes lead to adverse effects.In conclusion, the concept of 氧化性 stress highlights the delicate balance our bodies maintain between free radicals and antioxidants. By understanding this balance, we can take proactive steps to enhance our health through diet and lifestyle changes. As research continues to uncover the complexities of 氧化性 stress, it remains an important area of study in the pursuit of better health and disease prevention. Recognizing the role of 氧化性 processes in our bodies empowers us to make informed choices that can significantly impact our longevity and quality of life.

氧化应激是一个指体内自由基与抗氧化剂之间失衡的术语。自由基是不稳定的分子，它们可以通过称为氧化的过程通过夺取电子来损害细胞、蛋白质和DNA。这个过程虽然是细胞代谢的自然部分，但当由于污染、辐射和饮食不良等因素导致自由基过多时，就会变得有问题。身体有一种防御机制，涉及抗氧化剂，这些是可以向自由基捐赠电子而不自己变得不稳定的分子。然而，当自由基的产生超过身体中和它们的能力时，就会导致所谓的氧化性应激。这种情况与多种疾病有关，包括癌症、心血管疾病和神经退行性疾病。理解氧化性应激的影响对于维持健康至关重要。它强调了富含抗氧化剂的均衡饮食的重要性，这些抗氧化剂可以在水果、蔬菜、坚果和全谷物中找到。这些食物可以帮助减轻自由基的影响，并降低患慢性疾病的风险。例如，维生素C和E、硒和类黄酮是可以对抗氧化性损伤的强效抗氧化剂。此外，生活方式选择在管理氧化性应激中也扮演着重要角色。定期的身体活动可以增强身体的抗氧化防御，而过量饮酒和吸烟则会增加自由基的产生。因此，采取健康的生活方式，包括定期锻炼、均衡饮食和避免有害物质，对于减少氧化性应激和促进整体健康至关重要。对氧化性应激的研究还推动了医学科学的进步。科学家正在探索如何在治疗环境中利用抗氧化剂来治疗与氧化性损伤相关的疾病。例如，一些研究表明，某些抗氧化剂补充剂可能改善心脏病或癌症患者的结果。然而，谨慎对待补充剂是至关重要的，因为并非所有抗氧化剂在所有情况下都是有益的，高剂量有时甚至可能导致不良反应。总之，氧化性应激的概念突显了我们身体在自由基和抗氧化剂之间维持的微妙平衡。通过理解这种平衡，我们可以采取积极措施，通过饮食和生活方式的改变来增强我们的健康。随着研究继续揭示氧化性应激的复杂性，它仍然是我们追求更好健康和预防疾病的重要研究领域。认识到氧化性过程在我们身体中的作用使我们能够做出明智的选择，从而显著影响我们的寿命和生活质量。