preservatives

简明释义

英[prɪˈzɜː.və.tɪvz]美[prɪˈzɜr.və.tɪvz]

n. 防腐的（preservative 的复数）；[助剂]防腐剂；保存剂

英英释义

单词用法

同义词

反义词

例句

1.A few studies have been done to compare the effectiveness of the different preservatives but the data is limited and inconclusive.

已开展了几项比较不同防腐剂有效性的研究，但数据均存在局限性，并不具有结论性。

2.Shopping the perimeters of your grocery store will also ensure you are not purchasing foods with preservatives or excess packaging.

在你周围的市场里购买食物，也会让你确保食物中没有含有大量的防腐剂或者过量的包装。

3.Moreover, at the end of its life, wood that has been treated with preservatives in this way needs to be disposed of carefully.

近一步讲，使用这种方式进行防腐处理的木材在使用寿命将尽的时候必须被小心处理。

4.A regular McDonald's sesame-seed bun contains calcium propionate and sodium propionate — both preservatives.

普通的麦当劳芝麻小圆面包含有丙酸钙和丙酸钠，这两样都是防腐剂。

5.Their study also used two different cocktails of additives as well as a placebo drink that contained no food colourings or preservatives.

这次研究中，他们用了两种混有多种食品添加剂的饮料，以及一种未添加任何色素或防腐剂而只是作为安慰剂的饮料。

6.As with most meat products in fast food restaurants, consider any meat, including on salads, to include MSG, chemical preservatives, and trans fats.

快餐店里的肉制品，无论是那种肉，或者是沙拉，都添加了味精和化学防腐剂，含有反式脂肪酸。

7.Canned soup, on the other hand, is a miserable concoction of salt, fat, artificial additives, preservatives, water and maybe part of a carrot.

罐头浓汤根本就是盐、脂肪、人工添加剂、防腐剂和水的混合物，可能还会有点胡萝卜吧。

8.Avoid unnatural addictives, flavorings and preservatives.

避免非自然添加剂，香料和防腐剂。

9.The juice contains no artificial preservatives.

这种果汁不含人工防腐剂。

10.Many processed foods contain preservatives to extend their shelf life.

许多加工食品含有防腐剂以延长保质期。

11.Some people are allergic to certain preservatives found in packaged snacks.

有些人对包装零食中某些防腐剂过敏。

12.It's important to read labels to know what preservatives are in your food.

阅读标签以了解你的食物中含有什么防腐剂是很重要的。

13.Natural preservatives like vinegar and salt can be used in homemade pickles.

像醋和盐这样的天然防腐剂可以用于自制泡菜。

14.Some beverages use artificial preservatives to maintain flavor and freshness.

一些饮料使用人工防腐剂来保持风味和新鲜度。

作文

In today's fast-paced world, the food industry has evolved significantly to meet the demands of consumers. One of the most common practices in food production is the use of preservatives (防腐剂). These substances are added to food products to prevent spoilage and extend shelf life. While many people may have concerns about the health implications of consuming foods with preservatives (防腐剂), it is essential to understand their role and the science behind them. Food preservatives (防腐剂) can be classified into two main categories: natural and artificial. Natural preservatives (防腐剂) include ingredients like salt, sugar, vinegar, and certain herbs and spices that have been used for centuries to keep food fresh. On the other hand, artificial preservatives (防腐剂) are chemically synthesized compounds designed to inhibit microbial growth and oxidation, which leads to spoilage. The primary function of preservatives (防腐剂) is to prolong the edibility of food items. For instance, without preservatives (防腐剂), bread would mold within a few days, and canned goods would spoil quickly. By preventing the growth of bacteria, yeast, and molds, these substances allow consumers to enjoy a wider variety of foods throughout the year, regardless of seasonal availability. However, the debate surrounding the safety of preservatives (防腐剂) is ongoing. Some studies suggest that certain artificial preservatives (防腐剂) may have adverse health effects, including allergic reactions or potential links to chronic diseases. As a result, many consumers are becoming more conscious of what they eat and are seeking out products labeled as 'preservative-free.' This shift in consumer behavior has prompted food manufacturers to explore alternative methods of preservation, such as refrigeration, freezing, and dehydration. Moreover, the increasing popularity of organic and clean-label products has led to a rise in the demand for natural preservatives (防腐剂). Ingredients like rosemary extract, citric acid, and ascorbic acid are now commonly used as safer alternatives to traditional chemical preservatives (防腐剂). These natural options not only help in preserving food but also align with the growing trend of healthier eating. Despite the controversies, it is crucial to recognize that preservatives (防腐剂) play a vital role in food safety. They help reduce food waste by allowing products to stay fresh longer, which is particularly important in a world where nearly one-third of all food produced is wasted. By extending shelf life, preservatives (防腐剂) contribute to a more sustainable food system. In conclusion, while the use of preservatives (防腐剂) in food production may raise some concerns, it is essential to understand their significance. They help maintain food quality, reduce waste, and ensure that consumers have access to a diverse range of food products. As the food industry continues to evolve, it will be interesting to see how the balance between safety, health, and sustainability is maintained in the use of preservatives (防腐剂).

在当今快节奏的世界里，食品工业为了满足消费者的需求发生了显著变化。食品生产中最常见的做法之一是使用防腐剂。这些物质被添加到食品中以防止变质并延长保质期。虽然许多人可能对食用含有防腐剂的食品的健康影响有所担忧，但了解它们的作用和背后的科学是至关重要的。 食品防腐剂可以分为两大类：天然和人工。天然防腐剂包括盐、糖、醋以及某些香草和香料，这些成分已经被使用了几个世纪来保持食品的新鲜。而人工防腐剂则是化学合成的化合物，旨在抑制微生物的生长和氧化，从而导致食品变质。 防腐剂的主要功能是延长食品的可食用性。例如，如果没有防腐剂，面包几天内就会发霉，罐装食品也会很快变质。通过防止细菌、酵母和霉菌的生长，这些物质使消费者能够全年享受更广泛的食品种类，而不受季节性供应的限制。 然而，围绕防腐剂的安全性辩论仍在继续。一些研究表明，某些人工防腐剂可能对健康产生不良影响，包括过敏反应或与慢性疾病的潜在联系。因此，越来越多的消费者开始关注他们的饮食，寻求标注为“无防腐剂”的产品。这种消费行为的转变促使食品制造商探索替代的保存方法，如冷藏、冷冻和脱水。 此外，随着有机和清洁标签产品的日益流行，对天然防腐剂的需求也在上升。迷迭香提取物、柠檬酸和抗坏血酸等成分现在被广泛用作传统化学防腐剂的更安全替代品。这些天然选项不仅有助于保存食品，还符合日益增长的健康饮食趋势。 尽管存在争议，但必须认识到防腐剂在食品安全中发挥着至关重要的作用。它们通过使产品保持新鲜更长时间来减少食品浪费，这在全球近三分之一的食品生产被浪费的情况下尤为重要。通过延长保质期，防腐剂有助于建立一个更可持续的食品系统。 总之，尽管在食品生产中使用防腐剂可能引发一些担忧，但了解其重要性是至关重要的。它们帮助保持食品质量、减少浪费，并确保消费者能够获得多样化的食品产品。随着食品工业的不断发展，观察在防腐剂的使用中如何维持安全、健康和可持续性之间的平衡将会很有趣。