amino acid

简明释义

氨基酸

英英释义

例句

1.Proteins are made up of long chains of amino acids, which are the building blocks of life.

蛋白质由长链的氨基酸组成，它们是生命的基本构建块。

2.Some athletes take supplements that contain essential amino acids to enhance their performance.

一些运动员服用含有必需氨基酸的补充剂以提升他们的表现。

3.Certain amino acids play a crucial role in neurotransmitter function.

某些氨基酸在神经递质功能中起着至关重要的作用。

4.Vegetarians need to ensure they get enough amino acids from plant-based sources.

素食者需要确保从植物来源获得足够的氨基酸。

5.A balanced diet should include a variety of foods rich in amino acids.

均衡饮食应包括多种富含氨基酸的食物。

作文

Amino acids are the building blocks of proteins, which play a crucial role in our body. Each protein is made up of a specific sequence of amino acids (氨基酸), and these sequences determine the structure and function of the proteins. There are 20 different amino acids (氨基酸) that combine in various ways to create thousands of different proteins. Some of these amino acids (氨基酸) are classified as essential, meaning that our bodies cannot produce them and we must obtain them from our diet, while others are non-essential, which can be synthesized by our bodies. The importance of amino acids (氨基酸) cannot be overstated. They are involved in nearly every biological process in the body. For instance, they play a vital role in the production of enzymes and hormones, which are necessary for metabolic processes. Additionally, amino acids (氨基酸) are crucial for tissue repair and growth, making them particularly important for athletes and those recovering from injuries.Dietary sources of amino acids (氨基酸) include both animal and plant-based foods. Animal products such as meat, fish, eggs, and dairy are considered complete proteins because they contain all the essential amino acids (氨基酸) our bodies need. On the other hand, many plant-based sources, like beans, lentils, and nuts, may lack one or more essential amino acids (氨基酸), so it is important for vegetarians and vegans to consume a variety of these foods to ensure they get all the necessary amino acids (氨基酸).In addition to their role in protein synthesis, amino acids (氨基酸) also serve as precursors for the synthesis of neurotransmitters, which are critical for brain function. For example, the amino acid (氨基酸) tryptophan is a precursor to serotonin, a neurotransmitter that helps regulate mood, sleep, and appetite. Similarly, tyrosine, another amino acid (氨基酸), is involved in the production of dopamine, which plays a key role in pleasure and reward mechanisms in the brain.Furthermore, amino acids (氨基酸) have been studied for their potential health benefits beyond basic nutrition. Some research suggests that certain amino acids (氨基酸) may aid in muscle recovery after exercise, enhance weight loss, and improve overall athletic performance. For instance, branched-chain amino acids (氨基酸), which include leucine, isoleucine, and valine, are often taken as supplements to help reduce muscle soreness and fatigue during intense workouts.In conclusion, amino acids (氨基酸) are essential components of life that contribute to numerous functions in our bodies. From building proteins to supporting brain health, their significance cannot be ignored. Ensuring an adequate intake of both essential and non-essential amino acids (氨基酸) through a balanced diet is vital for maintaining optimal health and well-being. As science continues to explore the roles of amino acids (氨基酸), we are likely to uncover even more about their importance in our daily lives.

氨基酸是蛋白质的基本组成部分，在我们身体中发挥着至关重要的作用。每种蛋白质由特定序列的氨基酸（amino acids）组成，而这些序列决定了蛋白质的结构和功能。有20种不同的氨基酸（氨基酸），以各种方式组合形成数千种不同的蛋白质。其中一些氨基酸（氨基酸）被归类为必需氨基酸，这意味着我们的身体无法自行合成，我们必须通过饮食获得，而其他则是非必需的，可以由我们的身体合成。氨基酸（氨基酸）的重要性不容小觑。它们参与体内几乎所有的生物过程。例如，它们在酶和激素的产生中起着至关重要的作用，这些酶和激素对于代谢过程是必要的。此外，氨基酸（氨基酸）对组织修复和生长至关重要，这使得它们对于运动员和正在康复的人尤其重要。饮食中的氨基酸（氨基酸）来源包括动物和植物两种食品。肉类、鱼类、鸡蛋和乳制品等动物产品被认为是完整蛋白质，因为它们包含我们身体所需的所有必需氨基酸（氨基酸）。另一方面，许多植物来源，如豆类、扁豆和坚果，可能缺乏一种或多种必需氨基酸（氨基酸），因此素食者和严格素食者需要摄取多种这些食物，以确保他们获得所有必要的氨基酸（氨基酸）。除了在蛋白质合成中的作用外，氨基酸（氨基酸）还作为神经递质合成的前体，这对大脑功能至关重要。例如，氨基酸（氨基酸）色氨酸是血清素的前体，血清素是一种帮助调节情绪、睡眠和食欲的神经递质。同样，酪氨酸，另一种氨基酸（氨基酸），参与多巴胺的产生，多巴胺在大脑的愉悦和奖励机制中发挥关键作用。此外，氨基酸（氨基酸）还因其潜在的健康益处而受到研究。一些研究表明，某些氨基酸（氨基酸）可能有助于运动后的肌肉恢复、增强减肥效果和改善整体运动表现。例如，支链氨基酸（氨基酸），其中包括亮氨酸、异亮氨酸和缬氨酸，常被作为补充剂服用，以帮助减少剧烈锻炼后的肌肉酸痛和疲劳。总之，氨基酸（氨基酸）是生命的基本组成部分，对我们身体的众多功能做出了贡献。从构建蛋白质到支持大脑健康，它们的重要性不容忽视。通过均衡饮食确保足够摄入必需和非必需的氨基酸（氨基酸）对维持最佳健康和福祉至关重要。随着科学不断探索氨基酸（氨基酸）的作用，我们可能会发现更多关于它们在我们日常生活中重要性的内容。