ketoses

简明释义

英[ˈkiːtoʊsɪz]美[ˈkiːtoʊsɪz]

n. [生化]酮糖（ketosis 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The simple sugars monosaccharides0 are basically aliphatic polyhydroxy aldehydes and ketones: HOCH2 - CHOH n-CHO and HOCH2 - CHOOH n-1-C-O-Ch2OH, called "aldoses" and "ketoses," respectively.

单糖本质上是脂族的多羟基醛和酮，即HOCH2- (CHOH) 2 -CHO和HOCH 2 - (CHOH) n - 1 - C： O - CH 2 OH，分别称为醛糖和酮糖。

2.The simple sugars monosaccharides0 are basically aliphatic polyhydroxy aldehydes and ketones: HOCH2 - CHOH n-CHO and HOCH2 - CHOOH n-1-C-O-Ch2OH, called "aldoses" and "ketoses," respectively.

单糖本质上是脂族的多羟基醛和酮，即HOCH2- (CHOH) 2 -CHO和HOCH 2 - (CHOH) n - 1 - C： O - CH 2 OH，分别称为醛糖和酮糖。

3.Reduction of aldoses or ketoses yield sugar alcohols ,properly called ‘alditols,” HOCH2-(CHOH)n-CH2OH.

醛糖或酮糖被还原后变产生糖醇，确实的叫法为“多羟糖醇”（alditols），HOCH 2 -（CHOH）n-CH 2 OH。

4.In the study of carbohydrates, scientists often focus on the role of ketoses (酮糖) in metabolic processes.

在碳水化合物的研究中，科学家们常常关注ketoses（酮糖）在代谢过程中的作用。

5.Many fruits contain ketoses (酮糖), which can provide a quick source of energy.

许多水果含有ketoses（酮糖），可以提供快速的能量来源。

6.The presence of ketoses (酮糖) in a diet can influence blood sugar levels significantly.

饮食中存在ketoses（酮糖）会显著影响血糖水平。

7.Researchers are investigating how ketoses (酮糖) can affect insulin sensitivity.

研究人员正在调查ketoses（酮糖）如何影响胰岛素敏感性。

8.Some sweeteners are derived from ketoses (酮糖), making them popular in low-carb diets.

一些甜味剂源自ketoses（酮糖），使它们在低碳水化合物饮食中受到欢迎。

作文

In the realm of biochemistry, carbohydrates play a crucial role in providing energy and supporting various biological functions. Among the different types of carbohydrates, monosaccharides are the simplest form, and they can be categorized into two main groups: aldoses and ketoses. Ketoses, or 酮糖, are sugars that contain a ketone group in their molecular structure. This unique characteristic distinguishes them from aldoses, which contain an aldehyde group. Understanding the significance of ketoses is essential for grasping how our bodies utilize these sugars during metabolism. The most common example of a ketose is fructose, which is often found in fruits and honey. Fructose is not only sweet but also plays a vital role in energy production. When consumed, it is rapidly absorbed into the bloodstream and transported to the liver, where it can be converted into glucose or stored as fat. This process highlights the importance of ketoses in providing quick energy sources, especially during physical activities. Moreover, ketoses are significant in the context of human health. Research has shown that excessive consumption of fructose can lead to various health issues, including obesity, insulin resistance, and fatty liver disease. This is primarily because high levels of fructose can overwhelm the liver's ability to metabolize it efficiently. As such, understanding the metabolic pathways of ketoses can help individuals make informed dietary choices, particularly in an era where processed foods high in fructose are prevalent. In addition to their metabolic implications, ketoses also play a role in the glycation process, which refers to the reaction between sugars and proteins. This process can lead to the formation of advanced glycation end-products (AGEs), which have been implicated in aging and the development of chronic diseases such as diabetes and cardiovascular conditions. Therefore, studying ketoses not only provides insights into carbohydrate metabolism but also sheds light on their long-term effects on health. Furthermore, ketoses are important in the food industry, particularly in the production of sweeteners. With the growing demand for low-calorie and natural sweeteners, fructose has become a popular alternative to sucrose. Its sweetness is significantly higher than that of glucose, allowing manufacturers to use smaller quantities while achieving the desired taste. However, this trend raises concerns about the health implications of excessive fructose consumption, emphasizing the need for a balanced approach to incorporating ketoses into our diets. In conclusion, ketoses are more than just simple sugars; they are integral to many biological processes and have significant implications for health and nutrition. By understanding their structure, metabolism, and effects on the body, we can better appreciate the role of these carbohydrates in our daily lives. As research continues to unveil the complexities of ketoses, it becomes increasingly clear that moderation and awareness are key to harnessing their benefits while minimizing potential risks.