amylolysis

简明释义

英[ˌæmɪˈlɒlɪsɪs]美[ˌæmɪˈlɑləsɪs]

n. [生化] 淀粉分解

复 数 a m y l o l y s e s

英英释义

单词用法

同义词

反义词

例句

1.In brewing, amylolysis is essential for converting malt starches into fermentable sugars.

在酿造过程中，淀粉水解对将麦芽淀粉转化为可发酵糖至关重要。

2.Certain bacteria utilize amylolysis to break down starches in the human gut.

某些细菌利用淀粉水解在人体肠道中分解淀粉。

3.The enzyme amylase plays a crucial role in amylolysis, facilitating the conversion of carbohydrates.

酶淀粉酶在淀粉水解中起着至关重要的作用，促进碳水化合物的转化。

4.The study of amylolysis can help improve food processing techniques.

对淀粉水解的研究可以帮助改善食品加工技术。

5.During the process of digestion, amylolysis refers to the breakdown of starch into sugars.

在消化过程中，淀粉水解指的是淀粉分解成糖的过程。

作文

The process of digestion is a complex and fascinating journey that begins in the mouth and continues through the gastrointestinal tract. One of the key components of this process is the breakdown of carbohydrates, particularly starches, into simpler sugars. This breakdown is known as amylolysis, which refers to the enzymatic hydrolysis of starch into sugars. Understanding amylolysis is crucial for grasping how our bodies convert food into energy.Starches are polysaccharides, which means they are made up of long chains of glucose molecules. When we consume foods rich in starch, such as bread, pasta, or potatoes, our bodies must first break down these complex carbohydrates into simpler forms that can be easily absorbed. The process begins in the mouth, where salivary amylase, an enzyme present in saliva, starts the initial breakdown of starches. This early stage of amylolysis is vital, as it sets the stage for further digestion in the stomach and small intestine.Once the food reaches the stomach, it is mixed with gastric juices, but the acidic environment there halts the action of salivary amylase. However, as the partially digested food moves into the small intestine, pancreatic amylase is secreted, which continues the process of amylolysis. This enzyme is specifically designed to function in the alkaline environment of the small intestine, effectively breaking down any remaining starches into maltose and dextrin.The final steps of carbohydrate digestion occur at the brush border of the intestinal lining, where enzymes like maltase, isomaltase, and sucrase complete the conversion of disaccharides into monosaccharides, primarily glucose. This glucose is then absorbed into the bloodstream and transported to cells throughout the body, where it is used as a primary source of energy.The significance of amylolysis extends beyond mere digestion; it plays a critical role in maintaining energy levels and overall health. Disruptions in this process can lead to various health issues, including malabsorption syndromes, diabetes, and obesity. For instance, individuals with diabetes must carefully manage their carbohydrate intake because their bodies may struggle with the effective breakdown of starches and sugars, leading to elevated blood sugar levels.Moreover, understanding amylolysis can also inform dietary choices. Foods that are high in fiber, for example, can slow down the process of carbohydrate digestion, leading to a more gradual release of glucose into the bloodstream. This can help in managing hunger and preventing spikes in blood sugar levels, which is particularly important for individuals with insulin resistance.In conclusion, amylolysis is a fundamental biological process that enables us to utilize the carbohydrates in our diet effectively. By breaking down starches into simple sugars, our bodies can efficiently produce energy needed for daily activities. Understanding this process not only enhances our knowledge of human physiology but also empowers us to make informed dietary choices that can promote better health and well-being. As we continue to learn about the intricacies of digestion, the importance of amylolysis remains a crucial aspect of our understanding of nutrition and metabolism.

消化过程是一个复杂而迷人的旅程，从口腔开始，经过胃肠道继续进行。这个过程中一个关键的组成部分是将碳水化合物，特别是淀粉，分解为更简单的糖。这种分解称为淀粉水解，指的是淀粉通过酶的水解作用转化为糖。理解淀粉水解对于掌握我们身体如何将食物转化为能量至关重要。淀粉是一种多糖，这意味着它由长链葡萄糖分子组成。当我们摄入富含淀粉的食物，如面包、意大利面或土豆时，我们的身体必须首先将这些复杂的碳水化合物分解为易于吸收的简单形式。这个过程始于口腔，在那里唾液淀粉酶，一种存在于唾液中的酶，开始对淀粉进行初步分解。这一早期阶段的淀粉水解至关重要，因为它为在胃和小肠的进一步消化奠定了基础。一旦食物到达胃部，它与胃液混合，但那里的酸性环境会停止唾液淀粉酶的作用。然而，当部分消化的食物进入小肠时，胰腺淀粉酶被分泌出来，继续进行淀粉水解。这种酶专门设计用于在小肠的碱性环境中发挥作用，有效地将任何剩余的淀粉分解为麦芽糖和糊精。碳水化合物消化的最后步骤发生在肠道内壁的刷状缘处，酶如麦芽糖酶、异麦芽糖酶和蔗糖酶完成将双糖转化为单糖，主要是葡萄糖。这种葡萄糖随后被吸收到血液中，并运输到全身的细胞中，作为主要的能量来源。淀粉水解的重要性不仅限于单纯的消化；它在维持能量水平和整体健康方面发挥着关键作用。这一过程的干扰可能导致各种健康问题，包括吸收不良综合症、糖尿病和肥胖。例如，糖尿病患者必须仔细管理他们的碳水化合物摄入，因为他们的身体可能在有效分解淀粉和糖方面存在困难，导致血糖水平升高。此外，理解淀粉水解也可以为饮食选择提供信息。例如，高纤维的食物可以减缓碳水化合物消化的过程，从而导致葡萄糖逐渐释放到血液中。这有助于管理饥饿感，防止血糖水平的急剧波动，这对胰岛素抵抗者尤其重要。总之，淀粉水解是一个基本的生物过程，使我们能够有效利用饮食中的碳水化合物。通过将淀粉分解为简单糖，我们的身体能够高效地产生日常活动所需的能量。理解这一过程不仅增强了我们对人体生理学的认识，而且使我们能够做出明智的饮食选择，从而促进更好的健康和福祉。随着我们继续学习消化的复杂性，淀粉水解的重要性仍然是我们对营养和新陈代谢理解的关键方面。