amino acid

简明释义

氨基酸

英英释义

例句

1.Vegetarians need to ensure they get enough essential amino acids from their diet.

素食者需要确保他们的饮食中摄入足够的必需氨基酸。

2.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件。

3.After exercising, it is important to consume foods rich in amino acids to aid muscle recovery.

锻炼后，摄入富含氨基酸的食物对帮助肌肉恢复非常重要。

4.Certain amino acids cannot be synthesized by the body and must be obtained from food.

某些氨基酸无法由身体合成，必须从食物中获取。

5.Protein supplements often contain a blend of various amino acids to support athletic performance.

蛋白质补充剂通常包含多种氨基酸的混合物，以支持运动表现。

作文

Amino acids are the building blocks of proteins, which play a crucial role in the structure and function of all living organisms. Each protein is made up of a unique sequence of amino acids, and these sequences determine the protein's shape and function. There are twenty different types of amino acids that combine in various ways to create thousands of different proteins. The importance of amino acids cannot be overstated, as they are essential for growth, repair, and maintenance of tissues in the body.In the human body, amino acids are categorized into two groups: essential and non-essential amino acids. Essential amino acids cannot be synthesized by the body and must be obtained through diet. These include lysine, leucine, and valine, among others. Non-essential amino acids, on the other hand, can be produced by the body itself. This distinction is vital for understanding dietary needs, especially for athletes and individuals with specific health goals.Dietary sources of amino acids are abundant. Animal products such as meat, fish, eggs, and dairy are rich in essential amino acids. For vegetarians and vegans, plant-based sources like quinoa, soy, and legumes provide adequate amounts of these critical nutrients. Understanding where to find amino acids in food can help individuals maintain a balanced diet and support their overall health.The role of amino acids extends beyond just being building blocks for proteins. They are also involved in various metabolic processes. For instance, some amino acids act as precursors for neurotransmitters, which are essential for communication between nerve cells. Others are involved in hormone production and immune function, highlighting their diverse roles in maintaining bodily functions.Moreover, amino acids can influence muscle growth and recovery. After exercise, the body requires amino acids to repair muscle fibers and promote growth. This is why many athletes focus on consuming protein-rich foods or supplements that contain high levels of amino acids post-workout. Research has shown that certain amino acids, such as branched-chain amino acids (BCAAs), can reduce muscle soreness and enhance recovery time.In addition to physical health, amino acids may also have implications for mental well-being. Some studies suggest that specific amino acids can affect mood and cognitive function. For example, tryptophan is an amino acid that serves as a precursor to serotonin, a neurotransmitter linked to feelings of happiness and well-being. Therefore, ensuring an adequate intake of amino acids may contribute to better mental health outcomes.In conclusion, amino acids are fundamental components of life, playing a vital role in various physiological processes. From building proteins to supporting metabolism and mental health, they are indispensable for our overall well-being. By understanding the significance of amino acids and ensuring we consume enough through our diets, we can promote optimal health and performance in our daily lives.

氨基酸是蛋白质的基本组成部分，蛋白质在所有生物体的结构和功能中发挥着关键作用。每种蛋白质由独特的氨基酸序列组成，这些序列决定了蛋白质的形状和功能。共有20种不同类型的氨基酸以各种方式结合，形成数千种不同的蛋白质。氨基酸的重要性不容小觑，因为它们对身体的生长、修复和维护至关重要。在人体内，氨基酸分为两类：必需氨基酸和非必需氨基酸。必需氨基酸无法由身体合成，必须通过饮食获得。这些包括赖氨酸、亮氨酸和缬氨酸等。另一方面，非必需氨基酸可以由身体自身制造。这个区别对于理解饮食需求至关重要，尤其是对于运动员和有特定健康目标的人士。膳食来源的氨基酸丰富。动物产品如肉类、鱼类、鸡蛋和乳制品富含必需氨基酸。对于素食者和纯素食者来说，像藜麦、大豆和豆类这样的植物性来源提供了足够的这些关键营养素。了解在哪里可以找到氨基酸可以帮助个人保持均衡饮食，支持整体健康。氨基酸的作用不仅限于作为蛋白质的构建块。它们还参与各种代谢过程。例如，一些氨基酸充当神经递质的前体，这对神经细胞之间的通信至关重要。其他氨基酸则参与激素的产生和免疫功能，突显了它们在维持身体功能方面的多样化角色。此外，氨基酸还会影响肌肉生长和恢复。在锻炼后，身体需要氨基酸来修复肌肉纤维并促进生长。这就是为什么许多运动员专注于在锻炼后摄入富含氨基酸的蛋白质食品或补充剂。研究表明，某些氨基酸，如支链氨基酸（BCAAs），可以减少肌肉酸痛并增强恢复时间。除了身体健康，氨基酸可能对心理健康也有影响。一些研究表明，特定的氨基酸可以影响情绪和认知功能。例如，色氨酸是一种氨基酸，它作为血清素的前体，而血清素是一种与快乐和幸福感相关的神经递质。因此，确保摄入足够的氨基酸可能有助于改善心理健康结果。总之，氨基酸是生命的基本组成部分，在各种生理过程中发挥着至关重要的作用。从构建蛋白质到支持新陈代谢和心理健康，它们对我们的整体健康不可或缺。通过理解氨基酸的重要性并确保通过饮食摄入足够的量，我们可以促进最佳的健康和日常生活中的表现。