indispensable amino acid

简明释义

必需氨基酸

英英释义

例句

1.Eggs are a great source of high-quality protein and contain all the indispensable amino acids.

鸡蛋是优质蛋白质的良好来源，含有所有的必需氨基酸。

2.Sports nutritionists often recommend foods rich in indispensable amino acids for muscle recovery.

运动营养师通常建议食用富含必需氨基酸的食物以促进肌肉恢复。

3.Vegetarians need to ensure they get enough indispensable amino acids from plant sources.

素食者需要确保从植物来源获得足够的必需氨基酸。

4.The formula for the protein supplement includes all nine indispensable amino acids.

这款蛋白质补充剂的配方包含所有九种必需氨基酸。

5.Leucine is considered an indispensable amino acid because the body cannot produce it on its own.

亮氨酸被认为是一种必需氨基酸，因为身体无法自行合成它。

作文

Amino acids are the building blocks of proteins, and they play a crucial role in various biological processes. Among the twenty different amino acids, some are classified as essential or indispensable amino acids (必需氨基酸), meaning that the human body cannot synthesize them and must obtain them from dietary sources. This classification is important for understanding nutrition and how our bodies function optimally.Essential amino acids include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. Each of these amino acids has unique functions and benefits. For instance, leucine is known for its role in muscle protein synthesis, making it particularly important for athletes and those looking to build muscle mass. On the other hand, tryptophan is a precursor to serotonin, a neurotransmitter that regulates mood, sleep, and appetite.The significance of indispensable amino acids (必需氨基酸) extends beyond individual health; they are vital for overall well-being and development. For children and adolescents, adequate intake of these amino acids is essential for proper growth and development. In adults, a deficiency can lead to various health issues, including weakened immune function, loss of muscle mass, and impaired cognitive function.Dietary sources of indispensable amino acids (必需氨基酸) are abundant in both animal and plant-based foods. Animal products such as meat, fish, eggs, and dairy are complete proteins, meaning they contain all nine essential amino acids. Conversely, many plant-based sources may lack one or more of these amino acids. However, by combining different plant foods, such as beans and rice, individuals can still achieve a complete amino acid profile. This is particularly important for vegetarians and vegans who need to be mindful of their protein sources to ensure they are receiving all the essential amino acids.In addition to their role in protein synthesis, indispensable amino acids (必需氨基酸) also play a part in various metabolic pathways. They are involved in the synthesis of hormones, enzymes, and neurotransmitters, all of which are crucial for maintaining homeostasis in the body. For example, methionine is involved in the synthesis of cysteine, which is important for detoxification and antioxidant defense.Moreover, the balance of indispensable amino acids (必需氨基酸) is critical for health. An imbalance, whether due to excessive intake of one amino acid or deficiency of another, can lead to metabolic disorders. Therefore, it is essential to consume a balanced diet that provides adequate amounts of all essential amino acids.In conclusion, indispensable amino acids (必需氨基酸) are fundamental components of our diet that support numerous physiological functions. Understanding their importance can help individuals make informed dietary choices to promote health and well-being. Whether through animal or plant sources, ensuring an adequate intake of these amino acids is crucial for everyone, especially those with specific dietary restrictions. By prioritizing a balanced diet rich in indispensable amino acids (必需氨基酸), we can support our body's needs and enhance our overall quality of life.

氨基酸是蛋白质的基本组成部分，在各种生物过程中发挥着至关重要的作用。在20种不同的氨基酸中，有些被归类为必需氨基酸或indispensable amino acids（必需氨基酸），这意味着人体无法合成它们，必须通过饮食来源获得。这种分类对于理解营养和我们身体的最佳功能至关重要。必需氨基酸包括组氨酸、异亮氨酸、亮氨酸、赖氨酸、蛋氨酸、苯丙氨酸、苏氨酸、色氨酸和缬氨酸。每种氨基酸都有独特的功能和益处。例如，亮氨酸以其在肌肉蛋白合成中的作用而闻名，这使得它对运动员和希望增加肌肉量的人特别重要。另一方面，色氨酸是调节情绪、睡眠和食欲的神经递质血清素的前体。indispensable amino acids（必需氨基酸）的重要性超越了个人健康；它们对于整体健康和发展至关重要。对于儿童和青少年而言，适当摄入这些氨基酸对正常的生长和发育至关重要。在成年人中，缺乏可能导致各种健康问题，包括免疫功能减弱、肌肉质量下降和认知功能受损。indispensable amino acids（必需氨基酸）的饮食来源在动物和植物性食品中都很丰富。肉类、鱼类、鸡蛋和乳制品等动物产品是完整蛋白质，意味着它们含有所有九种必需氨基酸。相反，许多植物性来源可能缺乏一种或多种这些氨基酸。然而，通过组合不同的植物食品，如豆类和米饭，个人仍然可以实现完整的氨基酸谱。这对于需要注意蛋白质来源的素食者和严格素食者尤为重要。除了在蛋白质合成中的作用外，indispensable amino acids（必需氨基酸）还参与各种代谢途径。它们参与激素、酶和神经递质的合成，而这些都是维持身体稳态所必需的。例如，蛋氨酸参与半胱氨酸的合成，而半胱氨酸对解毒和抗氧化防御非常重要。此外，indispensable amino acids（必需氨基酸）的平衡对健康至关重要。无论是由于某种氨基酸的过量摄入还是另一种氨基酸的缺乏，失衡都可能导致代谢障碍。因此，摄入均衡的饮食以提供足够数量的所有必需氨基酸是至关重要的。总之，indispensable amino acids（必需氨基酸）是我们饮食中基本的组成部分，支持众多生理功能。理解它们的重要性可以帮助个人做出明智的饮食选择，以促进健康和福祉。无论是通过动物来源还是植物来源，确保充足摄入这些氨基酸对每个人都至关重要，尤其是那些有特定饮食限制的人。通过优先考虑富含indispensable amino acids（必需氨基酸）的均衡饮食，我们可以支持身体的需求，提高整体生活质量。