citric acid

简明释义

柠檬酸

英英释义

例句

1.Adding citric acid to your bath can help soften the water.

在你的浴缸中加入柠檬酸可以帮助软化水。

2.The recipe calls for a teaspoon of citric acid to enhance the flavor.

这个食谱需要一茶匙的柠檬酸来增强风味。

3.You can use citric acid as a natural preservative in home canning.

在家庭罐装中，你可以使用柠檬酸作为天然防腐剂。

4.In candy making, citric acid adds a sour taste to sweets.

在糖果制作中，柠檬酸为糖果增添了酸味。

5.The cleaning solution contains citric acid for removing limescale.

这个清洁剂含有柠檬酸，用于去除水垢。

作文

Citric acid, known as 柠檬酸 in Chinese, is a weak organic acid that plays a crucial role in various biological processes and is widely used in the food and beverage industry. It is primarily found in citrus fruits such as lemons, limes, and oranges, which contribute to their tangy flavor. The chemical formula for citric acid is C6H8O7, and it is classified as a tricarboxylic acid due to its three carboxyl groups. This unique structure not only gives citric acid its acidic properties but also allows it to participate in numerous chemical reactions, making it an essential compound in both nature and industry.One of the most significant roles of citric acid is its involvement in the citric acid cycle, also known as the Krebs cycle, which is a fundamental metabolic pathway that occurs in the mitochondria of cells. This cycle is vital for energy production, as it helps convert carbohydrates, fats, and proteins into adenosine triphosphate (ATP), the energy currency of the cell. Without citric acid, this process would be severely impaired, leading to a lack of energy for cellular functions.In addition to its biological importance, citric acid has become a popular ingredient in the food industry. It is commonly used as a natural preservative due to its ability to inhibit the growth of bacteria and fungi. Moreover, citric acid enhances the flavor of foods and beverages by providing a tart taste that balances sweetness. Many soft drinks, candies, and sauces contain citric acid to improve their overall flavor profile. Its versatility also extends to being a pH regulator, helping to stabilize the acidity levels in various food products.Furthermore, citric acid is utilized in cleaning products and cosmetics. Its natural chelating properties allow it to bind with metal ions, making it effective in removing hard water stains and mineral deposits. In skincare, citric acid is often included in formulations for its exfoliating properties, helping to remove dead skin cells and promote a brighter complexion. This wide range of applications showcases the importance of citric acid in our daily lives, beyond just its presence in food.Despite its many benefits, it is essential to consume citric acid in moderation. Excessive intake can lead to dental erosion, as the acidity can weaken tooth enamel over time. Therefore, while citric acid is generally recognized as safe, it is crucial to balance its consumption with proper dental hygiene practices.In conclusion, citric acid is a vital compound that serves multiple purposes in both biological systems and industrial applications. From its role in energy metabolism to its use as a flavor enhancer and cleaning agent, citric acid demonstrates its significance in various fields. Understanding the properties and uses of citric acid can help us appreciate its contributions to our health and daily lives.

柠檬酸是一个弱有机酸，在各种生物过程中发挥着至关重要的作用，并在食品和饮料行业广泛使用。它主要存在于柑橘类水果中，如柠檬、青柠和橙子，这些水果赋予了它们酸味。柠檬酸的化学式为C6H8O7，由于其三个羧基，它被归类为三羧酸。这种独特的结构不仅赋予了柠檬酸酸性特性，还使其能够参与许多化学反应，使其成为自然界和工业中的重要化合物。柠檬酸最重要的作用之一是参与柠檬酸循环，也称为克雷布斯循环，这是一个发生在细胞线粒体中的基本代谢途径。这个循环对于能量生产至关重要，因为它帮助将碳水化合物、脂肪和蛋白质转化为三磷酸腺苷（ATP），细胞的能量货币。如果没有柠檬酸，这一过程将受到严重影响，导致细胞功能缺乏能量。除了生物学上的重要性，柠檬酸还成为食品工业中的一种流行成分。由于其抑制细菌和真菌生长的能力，它通常用作天然防腐剂。此外，柠檬酸通过提供酸味来增强食品和饮料的风味，平衡甜味。许多软饮料、糖果和酱汁都含有柠檬酸，以改善其整体风味特征。它的多功能性还扩展到作为pH调节剂，帮助稳定各种食品产品中的酸度水平。此外，柠檬酸还用于清洁产品和化妆品。它的天然螯合特性使其能够与金属离子结合，从而有效去除硬水污渍和矿物沉积。在护肤品中，柠檬酸通常因其去角质特性而被纳入配方，有助于去除死皮细胞，促进肤色更明亮。这种广泛的应用展示了柠檬酸在我们日常生活中的重要性，超越了它在食品中的存在。尽管有许多好处，但适量摄入柠檬酸是必要的。过量摄入可能导致牙齿侵蚀，因为酸性会随着时间的推移削弱牙釉质。因此，虽然柠檬酸通常被认为是安全的，但平衡其摄入与适当的口腔卫生习惯至关重要。总之，柠檬酸是一种重要的化合物，在生物系统和工业应用中发挥多种作用。从其在能量代谢中的作用到作为风味增强剂和清洁剂的用途，柠檬酸展示了其在各个领域的重要性。理解柠檬酸的性质和用途可以帮助我们欣赏它对我们的健康和日常生活的贡献。