peroxide value

简明释义

过氧化价

英英释义

例句

1.The peroxide value of this batch of margarine exceeded acceptable limits.

这一批人造黄油的过氧化值超出了可接受的范围。

2.A low peroxide value is essential for maintaining the freshness of fish.

低过氧化值对于保持鱼的新鲜度至关重要。

3.To ensure quality, we need to test the peroxide value of our cooking oils regularly.

为了确保质量，我们需要定期测试我们的食用油的过氧化值。

4.The laboratory reported a high peroxide value which indicates that the oil is oxidizing.

实验室报告了一个高的过氧化值，这表明油正在氧化。

5.Regular monitoring of the peroxide value can help prevent spoilage in dairy products.

定期监测过氧化值可以帮助防止乳制品变质。

作文

The quality of fats and oils is a significant concern in the food industry, as it directly impacts the flavor, aroma, and safety of the products. One critical parameter that is used to assess the freshness and stability of these substances is the peroxide value. The peroxide value measures the extent to which an oil or fat has undergone oxidation, which is a process that can lead to rancidity. When fats and oils are exposed to oxygen, they can form peroxides, which are unstable compounds that indicate the initial stages of spoilage. A high peroxide value signifies that the oil or fat is beginning to degrade, making it unfit for consumption. Understanding the peroxide value is essential not only for manufacturers but also for consumers who wish to ensure the quality of their food. Regular monitoring of the peroxide value can help in determining the shelf life of products and ensuring that they meet safety standards. For instance, many regulatory bodies have established maximum allowable limits for peroxide value in edible oils, which helps to protect consumers from potentially harmful products. In addition to its importance in the food industry, the peroxide value is also relevant in other sectors such as cosmetics and pharmaceuticals. In these industries, the stability of oils and fats is crucial for product efficacy and safety. A high peroxide value in cosmetic products can lead to skin irritation or allergic reactions, while in pharmaceuticals, it may affect the potency of active ingredients. Therefore, understanding and controlling the peroxide value is vital for ensuring product quality across various applications. To measure the peroxide value, a laboratory test is typically performed where a sample of the oil or fat is treated with a reagent that reacts with the peroxides present. The resulting solution is then analyzed to determine the concentration of peroxides, which is expressed as milliequivalents of active oxygen per kilogram of the sample. This quantitative measurement allows producers to make informed decisions about the quality and safety of their products. In conclusion, the peroxide value is a crucial indicator of the quality and freshness of fats and oils. Its significance extends beyond the food industry into cosmetics and pharmaceuticals, highlighting the need for rigorous testing and monitoring. By understanding the implications of peroxide value, both producers and consumers can take proactive steps to ensure the safety and quality of the products they use. Regular assessments of peroxide value can help in maintaining high standards and preventing the consumption of spoiled or unsafe products.

脂肪和油的质量在食品工业中是一个重要的问题，因为它直接影响到产品的味道、香气和安全性。用于评估这些物质的新鲜度和稳定性的一个关键参数是过氧化值。过氧化值测量油或脂肪氧化的程度，这个过程可能导致油脂变质。当脂肪和油暴露于氧气中时，它们可以形成过氧化物，这些是不稳定的化合物，表明腐败的初始阶段。高过氧化值表明油或脂肪开始降解，使其不适合食用。理解过氧化值对于制造商和希望确保食品质量的消费者都是至关重要的。定期监测过氧化值可以帮助确定产品的保质期，并确保它们符合安全标准。例如，许多监管机构已建立了可食用油中允许的最大过氧化值限制，这有助于保护消费者免受潜在有害产品的影响。除了在食品工业中的重要性外，过氧化值在化妆品和制药等其他行业也具有相关性。在这些行业中，油脂的稳定性对于产品的有效性和安全性至关重要。化妆品中高的过氧化值可能导致皮肤刺激或过敏反应，而在药品中，它可能影响活性成分的效力。因此，理解和控制过氧化值对于确保各类产品的质量至关重要。要测量过氧化值，通常会进行实验室测试，其中样品油或脂肪与反应剂反应，反应剂与存在的过氧化物反应。然后分析生成的溶液，以确定过氧化物的浓度，以每千克样品的活性氧当量毫摩尔表示。这种定量测量使生产者能够对其产品的质量和安全性做出明智的决定。总之，过氧化值是脂肪和油的新鲜度和质量的重要指标。其重要性超越食品工业，延伸至化妆品和制药，突显了严格测试和监测的必要性。通过理解过氧化值的含义，生产者和消费者都可以采取积极措施，确保他们使用产品的安全性和质量。定期评估过氧化值可以帮助维持高标准，防止消费变质或不安全的产品。