menadione

简明释义

英[ˌmenəˈdaɪəʊn]美[ˌmenəˈdaɪoʊn]

n. [有化]甲萘醌；维生素 K

英英释义

单词用法

同义词

反义词

例句

1.The method was based on the reaction of the vitamin K_3 (menadione sodium bisulfite) or menadione with thiosemicarbazide to form an violet compound in alkaline medium.

本文基于维生素K_3（亚硫酸氢钠甲萘醌）或甲萘醌在碱性介质中与氨基硫脲生成紫色化合物的反应。

2.The method was based on the reaction of the vitamin K_3 (menadione sodium bisulfite) or menadione with thiosemicarbazide to form an violet compound in alkaline medium.

本文基于维生素K_3（亚硫酸氢钠甲萘醌）或甲萘醌在碱性介质中与氨基硫脲生成紫色化合物的反应。

3.The reduction of menadione catalyzed by AZR follows Ping-Pong Bi Bi kinetic mechanism.

AZR还原甲萘醌的酶促反应遵循双底物乒乓反应机制。

4.The dietary supplement contains menadione as a source of vitamin K.

这种膳食补充剂含有menadione作为维生素K的来源。

5.Exposure to high levels of menadione can lead to toxicity in certain organisms.

暴露于高水平的menadione可能导致某些生物体的毒性。

6.Menadione is often used in veterinary medicine for treating specific deficiencies.

menadione通常用于兽医学中治疗特定缺乏症。

7.In some animal studies, menadione was shown to improve bone density.

在一些动物研究中，menadione被证明可以改善骨密度。

8.The researcher studied the effects of menadione on cellular metabolism.

研究人员研究了menadione对细胞代谢的影响。

作文

Menadione is a synthetic form of vitamin K that plays a crucial role in various biological processes. It is also known as vitamin K3, and its chemical structure allows it to be converted into the active forms of vitamin K in the body. Understanding the significance of menadione (美那啶) can help us appreciate its importance in nutrition and health. Vitamin K is essential for blood clotting, and it helps in the synthesis of proteins required for this process. Without sufficient vitamin K, individuals may experience excessive bleeding or bruising. Menadione serves as an important dietary supplement, especially for those who may not get enough vitamin K from their diets. This is particularly relevant for people with certain medical conditions or those on specific medications that affect vitamin K absorption. In addition to its role in blood clotting, menadione has been studied for its potential antioxidant properties. Antioxidants are substances that help combat oxidative stress in the body, which can lead to chronic diseases such as cancer and heart disease. By neutralizing free radicals, menadione may contribute to overall health and well-being. Moreover, menadione is often used in animal feed to ensure that livestock receive adequate amounts of vitamin K. This practice is vital for the agricultural industry, as it helps maintain the health of animals and ensures the quality of animal products. The use of menadione in animal husbandry highlights its significance beyond human nutrition. Despite its benefits, there are some concerns regarding the use of synthetic vitamins like menadione. Some studies suggest that high doses of synthetic vitamin K can lead to toxicity and adverse effects. Therefore, it is essential to regulate its intake and rely on natural sources of vitamin K whenever possible. Foods rich in vitamin K include leafy green vegetables, broccoli, and fermented foods, which can provide a healthier alternative to synthetic supplements. In conclusion, menadione (美那啶) is a vital compound that underscores the importance of vitamin K in our diets. Its role in blood clotting, potential antioxidant properties, and application in animal feed demonstrate its multifaceted nature. However, caution should be exercised when using synthetic forms of vitamins, and individuals should strive to obtain their nutrients from natural food sources. By understanding the implications of menadione, we can make informed choices about our health and nutrition.

美那啶是一种合成形式的维生素K，在各种生物过程中发挥着至关重要的作用。它也被称为维生素K3，其化学结构使其能够在体内转化为活性维生素K的形式。理解美那啶的重要性可以帮助我们欣赏它在营养和健康中的重要性。维生素K对血液凝固至关重要，它有助于合成这一过程所需的蛋白质。如果缺乏足够的维生素K，个体可能会经历过度出血或淤伤。美那啶作为一种重要的膳食补充剂，尤其适合那些可能无法从饮食中获得足够维生素K的人。这对于一些特定疾病患者或正在服用影响维生素K吸收的药物的人尤为相关。除了在血液凝固中的作用外，美那啶还因其潜在的抗氧化特性而受到研究。抗氧化剂是帮助抵御体内氧化应激的物质，而氧化应激可能导致癌症和心脏病等慢性疾病。通过中和自由基，美那啶可能有助于整体健康和福祉。此外，美那啶通常用于动物饲料中，以确保家畜摄入足够的维生素K。这一做法对农业行业至关重要，因为它有助于维持动物的健康并确保动物产品的质量。在动物饲养中使用美那啶突显了它在人体营养之外的重要性。尽管有益，但对合成维生素如美那啶的使用也存在一些担忧。一些研究表明，高剂量的合成维生素K可能导致毒性和不良反应。因此，调节其摄入量并尽可能依赖天然维生素K来源是至关重要的。富含维生素K的食物包括绿叶蔬菜、西兰花和发酵食品，这些食品可以提供比合成补充剂更健康的选择。总之，美那啶（美那啶）是一种重要化合物，强调了维生素K在我们饮食中的重要性。它在血液凝固、潜在的抗氧化特性和在动物饲料中的应用展示了其多面性。然而，在使用合成维生素时应谨慎，个人应努力从天然食物来源获取营养。通过理解美那啶的意义，我们可以对我们的健康和营养做出明智的选择。