histidine

简明释义

英[ˈhɪstɪdiːn]美[ˈhɪstɪdɪn]

n. [生化] 组氨酸

英英释义

单词用法

同义词

反义词

例句

1.The protein in question contains a lot of an amino acid called histidine.

蛋白质中的问题是含有大量被称为组氨酸的氨基酸。

2.Histidine was lowest for fish meal while threonine was lowest for meat and bone meal.

对鱼粉中的组氨酸、对肉骨粉中的苏氨酸利用率最低。

3.Catalyst in converting histidine to histamine.

能将组氨酸转化为组胺的催化剂。

4.The decreased levels of glutamine, leucine, histidine and taurine reflect the nature of the tumor′s metabolism.

谷氨酰胺-谷氨酸、亮氨酸、组氨酸及牛磺酸浓度的降低反映了小儿恶性实体瘤的氨基酸代谢特点。

5.The result showed that 61 histidine kinases were found in the genome and 30 histidine kinases contained total conserved transmitter domain.

结果表明：阿维链霉菌中存在61个组氨酸蛋白激酶，其中30个组氨酸蛋白激酶包含了全部的保守传递器结构域。

6.One of the tests detects histidine-rich protein II.

其中一种试验是检测富含组氨酸的蛋白ii。

7.The muscle tissue of extensor digitorum longus was used to determine 3-methyl-histidine (3-MH) by high performance liquid chromatographic (HPLC).

取大鼠趾长伸肌组织，采用高效液相色谱法检测骨骼肌组织中3-MH浓度。

8.Certain proteins require histidine residues for their structural stability.

某些蛋白质需要组氨酸残基以保持其结构稳定性。

9.In hemoglobin, histidine is essential for oxygen binding.

在血红蛋白中，组氨酸对氧的结合至关重要。

10.Supplementing with histidine can improve recovery after exercise.

补充组氨酸可以改善运动后的恢复。

11.The amino acid histidine plays a crucial role in enzyme function.

氨基酸组氨酸在酶的功能中起着至关重要的作用。

12.Research shows that histidine may help protect against oxidative stress.

研究表明，组氨酸可能有助于保护免受氧化应激。

作文

Histidine is an essential amino acid that plays a crucial role in various biological processes. It is particularly important for the growth and repair of tissues, making it vital for both children and adults. In this essay, we will explore the significance of histidine (组氨酸) in human health, its sources, and its role in metabolic functions.Firstly, histidine (组氨酸) is one of the twenty amino acids that are used by cells to synthesize proteins. Unlike some amino acids, which can be synthesized by the body, histidine (组氨酸) must be obtained through diet. This makes it a semi-essential amino acid, especially for infants and young children who require higher amounts for growth. Sources of histidine (组氨酸) include meat, fish, poultry, dairy products, nuts, seeds, and whole grains. Incorporating these foods into one's diet can help ensure adequate intake of this important amino acid.Secondly, histidine (组氨酸) has several physiological functions that contribute to overall health. One of its primary roles is as a precursor for the synthesis of histamine, a neurotransmitter that is involved in immune responses, gastric secretion, and regulating physiological functions. Histamine plays a significant role in allergic reactions and acts as a signaling molecule in the brain. Therefore, maintaining appropriate levels of histidine (组氨酸) is essential for proper immune function and neurological health.Moreover, histidine (组氨酸) is involved in the production of hemoglobin, the protein in red blood cells responsible for oxygen transport. A deficiency in histidine (组氨酸) can lead to anemia, as the body may struggle to produce enough hemoglobin. This highlights the importance of histidine (组氨酸) not just for muscle repair but also for maintaining healthy blood function.Another interesting aspect of histidine (组氨酸) is its role as an antioxidant. It helps to protect cells from oxidative stress by neutralizing free radicals. This property is particularly beneficial in reducing the risk of chronic diseases such as heart disease and cancer. Furthermore, histidine (组氨酸) can also facilitate the absorption of certain minerals, including zinc and copper, which are vital for various enzymatic functions in the body.In conclusion, histidine (组氨酸) is a vital amino acid with numerous health benefits that cannot be overlooked. Its significance in protein synthesis, immune function, blood health, and antioxidant properties underscores the need for adequate dietary intake. Individuals should aim to include histidine (组氨酸)-rich foods in their diets to support their overall health and well-being. As research continues to uncover more about the roles of amino acids like histidine (组氨酸), it becomes increasingly clear that these compounds are fundamental to maintaining a healthy body.

组氨酸是一种必需氨基酸，在各种生物过程中发挥着至关重要的作用。它对于组织的生长和修复尤其重要，使其对儿童和成人都至关重要。在这篇文章中，我们将探讨histidine（组氨酸）在人体健康中的重要性、来源以及在代谢功能中的作用。首先，histidine（组氨酸）是细胞用来合成蛋白质的二十种氨基酸之一。与一些可以由身体合成的氨基酸不同，histidine（组氨酸）必须通过饮食获得。这使得它成为一种半必需氨基酸，特别是对需要更多氨基酸以促进生长的婴儿和幼儿而言。histidine（组氨酸）的来源包括肉类、鱼类、家禽、乳制品、坚果、种子和全谷物。将这些食物纳入饮食中可以帮助确保足够摄入这种重要的氨基酸。其次，histidine（组氨酸）具有多种生理功能，有助于整体健康。它的主要作用之一是作为组胺的前体，组胺是一种神经递质，参与免疫反应、胃液分泌和调节生理功能。组胺在过敏反应中发挥着重要作用，并且在大脑中作为信号分子。因此，维持适当水平的histidine（组氨酸）对免疫功能和神经健康至关重要。此外，histidine（组氨酸）还参与血红蛋白的生成，血红蛋白是红细胞中负责氧气运输的蛋白质。缺乏histidine（组氨酸）可能导致贫血，因为身体可能难以产生足够的血红蛋白。这突显了histidine（组氨酸）不仅对肌肉修复重要，也对维持健康血液功能的重要性。histidine（组氨酸）的另一个有趣方面是它作为抗氧化剂的作用。它通过中和自由基来帮助保护细胞免受氧化压力。这一特性对于减少心脏病和癌症等慢性疾病的风险特别有益。此外，histidine（组氨酸）还可以促进某些矿物质的吸收，包括锌和铜，这些矿物质对身体中的各种酶功能至关重要。总之，histidine（组氨酸）是一种至关重要的氨基酸，具有许多不可忽视的健康益处。它在蛋白质合成、免疫功能、血液健康和抗氧化特性方面的重要性突显了充足饮食摄入的必要性。个人应努力在饮食中加入富含histidine（组氨酸）的食物，以支持整体健康和福祉。随着研究继续揭示像histidine（组氨酸）这样的氨基酸的更多作用，越来越清楚的是，这些化合物对维持健康的身体至关重要。