peroxide index

简明释义

过氧化值

英英释义

例句

1.The peroxide index is a crucial factor in determining the freshness of oils.

在确定油脂的新鲜度时，过氧化值是一个重要因素。

2.The peroxide index is measured in milliequivalents of active oxygen per kilogram.

过氧化值以每千克活性氧的毫当量来测量。

3.Monitoring the peroxide index can help prevent spoilage in food products.

监测过氧化值可以帮助防止食品的变质。

4.A high peroxide index indicates that the oil has undergone oxidation.

高的过氧化值表明油脂已经发生了氧化。

5.To ensure quality, manufacturers often test the peroxide index of their products.

为了确保质量，制造商通常会测试他们产品的过氧化值。

作文

The quality of oils and fats is a crucial aspect in the food industry, as it directly affects the taste, nutritional value, and safety of the products. One of the key parameters used to assess the quality of these substances is the peroxide index, which measures the extent to which oils have oxidized. Oxidation occurs when oils are exposed to oxygen, leading to the formation of peroxides and other compounds that can cause rancidity. A high peroxide index indicates a higher level of oxidation, which can result in off-flavors and undesirable changes in the oil's properties.In order to maintain high-quality standards, manufacturers must regularly monitor the peroxide index of their products. This is particularly important for oils that are prone to oxidation, such as fish oils and certain vegetable oils. The peroxide index can be determined through laboratory testing, where samples of the oil are analyzed to quantify the amount of peroxide present. The results help producers decide whether the oil is still suitable for consumption or if it has reached a point where it must be discarded or refined further.Understanding the peroxide index is not only essential for producers but also for consumers who are increasingly aware of the importance of quality in their food choices. Many health-conscious individuals prefer oils with a low peroxide index, as this often correlates with better flavor and nutritional benefits. Additionally, oils with low levels of oxidation tend to have a longer shelf life, making them more desirable for both home cooks and professional chefs.The peroxide index is typically expressed in milliequivalents of peroxide per kilogram of oil. Different types of oils have varying acceptable limits for the peroxide index. For instance, fresh oils like extra virgin olive oil usually have a peroxide index of less than 20 meq/kg, while refined oils may have slightly higher limits. It's vital for consumers to be aware of these standards to make informed decisions when purchasing oils.Moreover, the peroxide index is just one of several indicators of oil quality. Other factors, such as free fatty acid content and the presence of other oxidation products, should also be considered. Together, these parameters provide a comprehensive overview of an oil's freshness and suitability for use.In conclusion, the peroxide index serves as a significant measure in determining the quality of oils and fats. By understanding its implications, both producers and consumers can ensure that they are choosing high-quality products that not only enhance culinary experiences but also contribute to better health. As the demand for quality food continues to rise, knowledge of the peroxide index will become increasingly important in the food industry.

油脂的质量是食品工业中的一个关键方面，因为它直接影响到产品的味道、营养价值和安全性。评估这些物质质量的关键参数之一是过氧化值，它衡量油脂氧化的程度。氧化发生在油脂暴露于氧气时，导致过氧化物和其他化合物的形成，这些化合物会导致油脂变质。高过氧化值表明氧化水平较高，这可能导致异味和油脂性质的不良变化。为了保持高质量标准，制造商必须定期监测其产品的过氧化值。这对于容易氧化的油脂尤其重要，例如鱼油和某些植物油。可以通过实验室测试来确定过氧化值，在测试中，油样被分析以量化其中的过氧化物含量。结果帮助生产商决定油脂是否仍适合消费，或者是否已达到必须丢弃或进一步精炼的程度。理解过氧化值不仅对生产者至关重要，对于日益关注食品质量的消费者也是如此。许多关注健康的人更喜欢低过氧化值的油脂，因为这通常与更好的风味和营养益处相关。此外，氧化水平较低的油脂往往具有更长的保质期，使其对家庭厨师和专业厨师更具吸引力。过氧化值通常以每千克油脂的毫当量表示。不同类型的油脂对过氧化值有不同的可接受限度。例如，新鲜的油脂如特级初榨橄榄油的过氧化值通常低于20 meq/kg，而精炼油可能具有稍高的限度。消费者了解这些标准对于在购买油脂时做出明智的决策至关重要。此外，过氧化值只是评估油脂质量的几个指标之一。其他因素，如游离脂肪酸含量和其他氧化产物的存在，也应予以考虑。这些参数共同提供了油脂新鲜度和适用性的全面概述。总之，过氧化值作为衡量油脂和脂肪质量的重要指标。通过理解其含义，生产者和消费者都可以确保他们选择高质量的产品，不仅增强烹饪体验，还有助于更好的健康。随着对优质食品需求的持续上升，了解过氧化值在食品行业中的重要性将愈加凸显。