pepsin

简明释义

[ˈpepsɪn][ˈpepsɪn]

n. 胃蛋白酶

英英释义

Pepsin is a digestive enzyme produced in the stomach that breaks down proteins into smaller peptides.

胃蛋白酶是一种在胃中产生的消化酶,能将蛋白质分解成较小的肽链。

单词用法

pepsin secretion

胃蛋白酶分泌

pepsin activity

胃蛋白酶活性

pepsinogen to pepsin

胃蛋白酶原转化为胃蛋白酶

pepsin in the stomach

胃中的胃蛋白酶

同义词

digestive enzyme

消化酶

Pepsin is a type of digestive enzyme that breaks down proteins in the stomach.

胃蛋白酶是一种消化酶,可以在胃中分解蛋白质。

protease

蛋白酶

Proteases, including pepsin, play a crucial role in digestion.

包括胃蛋白酶在内的蛋白酶在消化中起着至关重要的作用。

反义词

alkaline

碱性

The stomach environment is acidic due to pepsin, while alkaline substances can neutralize it.

由于胃环境是酸性的,胃蛋白酶存在,而碱性物质可以中和它。

base

In the digestive process, pepsin works in an acidic medium, contrasting with the alkaline conditions in the intestines.

在消化过程中,胃蛋白酶在酸性介质中工作,而与肠道中的碱性条件形成对比。

例句

1.Our data suggest that subglottic wound healing is significantly affected by pepsin and bile acid only under acidic conditions.

我们的实验数据提示胃蛋白酶、胆酸对声门下创伤的预后仅在有酸存在的情况下才有显著影响。

2.Proteins in food are broken down into smaller peptide chains by digestive enzymes such as pepsin and dipeptidase.

食物中的蛋白质被消化酶分解成小肽链,如胃蛋白酶和二肽酶。

3.The plastein reaction by using tryptic hydrolyzate of soy protein and of sesame protein as substrates and pepsin as catalyst had been introduced.

本文报道了以大豆蛋白和芝麻蛋白的胰蛋白酶水解物为原料,以胃蛋白酶为催化剂,通过合成类蛋白反应制取合成类蛋白质。

4.But while stomach acid is a factor, Dr. Koufman says, the real culprit for many patients is pepsin, a digestive enzyme that can exist in the esophagus.

但考夫曼博士指出,胃酸只是其中的一个因素,胃蛋白酶才是很多患者的症结所在,这是可以存在于食道的一种消化酶。

5.The Aloe preparation inhibited gastric acid, stimulated pepsin and mucus secretion.

芦荟药剂能抑制胃酸?刺激胃蛋白酶和粘液分泌。

6.The results showed that the extractive of pepsin hydrolyzate contained richer necessary trace elements and had higher developing value.

结果表明胃蛋白酶解提取物中人体所必需的微量元素含量最高,具有较高的开发价值。

7.Early stages of digestion take place in the stomach where pepsin and lipase aid in digesting protein and fat.

消化的初期阶段在胃里进行,在这里胃蛋白酶和脂肪酶帮助消化蛋白质和脂肪。

8.When food enters the stomach, pepsin begins breaking down the protein structures.

当食物进入胃时,胃蛋白酶开始分解蛋白质结构。

9.A deficiency in pepsin can lead to digestive issues.

胃蛋白酶不足可能导致消化问题。

10.In laboratory settings, scientists often study pepsin to understand its role in digestion.

在实验室环境中,科学家们常常研究胃蛋白酶以了解其在消化中的作用。

11.The enzyme pepsin is crucial for digesting proteins in the stomach.

胃蛋白酶在胃中消化蛋白质至关重要。

12.Certain medications can affect the activity of pepsin in the stomach.

某些药物可能会影响胃中胃蛋白酶的活性。

作文

Pepsin is an essential enzyme that plays a crucial role in the digestion of proteins in the human body. It is produced in the stomach and is secreted as an inactive precursor known as pepsinogen. When food enters the stomach, the acidic environment activates pepsinogen, converting it into its active form, pepsin (胃蛋白酶). This activation process is vital for the efficient breakdown of dietary proteins into smaller peptides, which can then be further digested in the small intestine.The importance of pepsin (胃蛋白酶) cannot be overstated. Without this enzyme, our bodies would struggle to break down the proteins we consume from various sources such as meat, dairy, legumes, and nuts. Proteins are made up of long chains of amino acids, and these chains must be broken down into shorter segments to be absorbed effectively by the intestinal lining. Pepsin (胃蛋白酶) initiates this process by cleaving the peptide bonds between amino acids, thus facilitating their absorption.Moreover, pepsin (胃蛋白酶) not only aids in the digestion of proteins but also contributes to the overall health of the digestive system. A well-functioning digestive system is crucial for maintaining nutrient balance and ensuring that the body receives all necessary vitamins and minerals. If pepsin (胃蛋白酶) production is impaired, it can lead to various digestive issues, including malnutrition and gastrointestinal disorders.In addition to its role in digestion, pepsin (胃蛋白酶) has been studied for its potential therapeutic applications. Research has indicated that pepsin (胃蛋白酶) may have antibacterial properties, which could help protect the stomach from harmful bacteria, thus reducing the risk of infections. Furthermore, some studies suggest that pepsin (胃蛋白酶) could play a role in the treatment of certain diseases, such as ulcers and gastritis, by promoting healing and reducing inflammation.It is also interesting to note that pepsin (胃蛋白酶) has been used in various industrial applications. For instance, it is utilized in the food industry to enhance the flavor and texture of certain products. The enzyme's ability to break down proteins can be harnessed to tenderize meat, improve the digestibility of animal feed, and even assist in cheese production.Despite its numerous benefits, it is essential to maintain a balance in the production and activity of pepsin (胃蛋白酶) within the body. Excessive levels of pepsin (胃蛋白酶) can lead to conditions such as acid reflux or peptic ulcers, highlighting the need for a well-regulated digestive system. A diet rich in fiber, hydration, and moderation in protein intake can support healthy pepsin (胃蛋白酶) function and overall digestive health.In conclusion, pepsin (胃蛋白酶) is a vital enzyme that significantly impacts our digestive processes and overall health. Understanding its function and importance can help us appreciate the complexities of human digestion and the delicate balance required for optimal health. Maintaining proper digestive health through diet and lifestyle choices is essential for ensuring that enzymes like pepsin (胃蛋白酶) can perform their roles effectively, contributing to our well-being and vitality.

胃蛋白酶是人体消化蛋白质的重要酶,发挥着至关重要的作用。它在胃中产生,并以不活跃的前体形式分泌,称为胃蛋白酶原。当食物进入胃时,酸性环境会激活胃蛋白酶原,将其转化为活性形式,即pepsin(胃蛋白酶)。这种激活过程对有效分解饮食中的蛋白质至关重要,使其成为较小的肽,这些肽可以在小肠中进一步消化。pepsin(胃蛋白酶)的重要性不容小觑。如果没有这种酶,我们的身体将难以分解来自肉类、乳制品、豆类和坚果等各种来源的蛋白质。蛋白质由长链氨基酸组成,这些链必须被分解成较短的片段,以便被肠道有效吸收。pepsin(胃蛋白酶)通过切割氨基酸之间的肽键来启动这一过程,从而促进其吸收。此外,pepsin(胃蛋白酶)不仅有助于蛋白质的消化,还对整个消化系统的健康做出了贡献。一个正常运作的消化系统对于维持营养平衡和确保身体获得所有必要的维生素和矿物质至关重要。如果pepsin(胃蛋白酶)的产生受损,可能导致各种消化问题,包括营养不良和胃肠疾病。除了在消化中的作用,研究表明pepsin(胃蛋白酶)可能具有抗菌特性,这可能有助于保护胃免受有害细菌的侵害,从而降低感染风险。此外,一些研究表明,pepsin(胃蛋白酶)可能在治疗某些疾病(如溃疡和胃炎)中发挥作用,通过促进愈合和减少炎症。值得注意的是,pepsin(胃蛋白酶)在各种工业应用中也得到了应用。例如,它在食品行业中被用来增强某些产品的风味和质地。这种酶分解蛋白质的能力可用于嫩化肉类、改善动物饲料的消化性,甚至协助奶酪生产。尽管pepsin(胃蛋白酶)有许多好处,但保持体内pepsin(胃蛋白酶)的产生和活性平衡至关重要。过量的pepsin(胃蛋白酶)可能导致酸反流或胃溃疡等情况,突显出正常消化系统所需的微妙平衡。富含纤维的饮食、适度的水分摄入和适量的蛋白质摄入可以支持健康的pepsin(胃蛋白酶)功能和整体消化健康。总之,pepsin(胃蛋白酶)是一种对我们的消化过程和整体健康产生重大影响的重要酶。理解其功能和重要性可以帮助我们欣赏人类消化的复杂性以及实现最佳健康所需的微妙平衡。通过饮食和生活方式选择保持适当的消化健康,对于确保像pepsin(胃蛋白酶)这样的酶能够有效发挥其作用、促进我们的健康和活力至关重要。