deep freezing

简明释义

低温冻结

英英释义

例句

1.After deep freezing, the vegetables retain most of their nutrients.

经过深度冷冻后，蔬菜保留了大部分营养成分。

2.The restaurant uses deep freezing to preserve the freshness of their ingredients.

这家餐厅使用深度冷冻来保持食材的新鲜。

3.The scientist explained the process of deep freezing for biological samples.

科学家解释了生物样本的深度冷冻过程。

4.They recommend deep freezing leftovers within two hours to prevent spoilage.

他们建议在两小时内对剩饭剩菜进行深度冷冻以防变质。

5.We learned that deep freezing can extend the shelf life of meat significantly.

我们了解到，深度冷冻可以显著延长肉类的保质期。

作文

In the world of food preservation, various methods are employed to extend the shelf life of perishable items. One such method that has gained significant popularity is deep freezing. This technique involves lowering the temperature of food products to extremely low levels, typically below -18 degrees Celsius, which effectively halts the growth of bacteria and enzymes that cause spoilage. The process of deep freezing is not only crucial for maintaining the quality and safety of food but also plays a vital role in the modern food supply chain. The science behind deep freezing is fascinating. When food is frozen quickly at very low temperatures, the formation of ice crystals is minimized. Larger ice crystals can rupture cell walls in fruits and vegetables, leading to a loss of texture and flavor upon thawing. However, with deep freezing, smaller ice crystals form, preserving the integrity of the food. This is particularly important for items like strawberries or fish, where texture is key to consumer satisfaction.Moreover, deep freezing offers convenience for consumers. With busy lifestyles, many people do not have the time to shop for fresh produce daily. By utilizing deep freezing, they can stock up on a variety of foods without worrying about them spoiling. Frozen meals, vegetables, and fruits can be readily available, allowing individuals to prepare healthy meals quickly. This ease of access encourages healthier eating habits, as it reduces the temptation to opt for fast food or processed snacks.From an economic perspective, deep freezing also benefits both producers and consumers. For farmers, it means that surplus produce can be frozen and sold later, reducing waste and maximizing profit. For consumers, it often leads to lower prices for frozen goods compared to fresh items, especially when out of season. This dynamic creates a more sustainable food system where resources are utilized efficiently.However, it is essential to understand that not all foods are suitable for deep freezing. Some items, like certain dairy products or eggs in their shells, do not freeze well and can lose quality or become unsafe to eat. Therefore, proper knowledge about which foods can withstand deep freezing is critical for consumers to make informed choices.In conclusion, deep freezing is a remarkable method of food preservation that offers numerous benefits, including enhanced food safety, improved quality, and economic advantages. As we continue to navigate a world where convenience and health are paramount, understanding the importance of deep freezing will help us make better dietary choices and appreciate the technology that keeps our food safe and delicious. Whether you are a busy professional, a parent juggling multiple responsibilities, or simply someone who enjoys having a variety of foods at your fingertips, deep freezing is an invaluable tool in modern food storage and preparation.

在食品保存的世界中，采用多种方法来延长易腐物品的保质期。其中一种受到广泛欢迎的方法是深度冷冻。这种技术涉及将食品产品的温度降低到极低的水平，通常低于-18摄氏度，这有效地停止了导致腐败的细菌和酶的生长。深度冷冻的过程不仅对保持食品的质量和安全至关重要，而且在现代食品供应链中也发挥着重要作用。深度冷冻背后的科学非常迷人。当食物在非常低的温度下迅速冷冻时，冰晶的形成被最小化。较大的冰晶可能会破坏水果和蔬菜的细胞壁，导致解冻后失去质地和风味。然而，通过深度冷冻，形成较小的冰晶，从而保持食物的完整性。这对于草莓或鱼等物品尤为重要，因为质地对消费者满意度至关重要。此外，深度冷冻为消费者提供了便利。由于生活节奏快，许多人没有时间每天购买新鲜农产品。通过利用深度冷冻，他们可以储存各种食物，而不必担心它们变质。冷冻餐、蔬菜和水果可以随时使用，使人们能够快速准备健康的餐点。这种便利的获取方式鼓励更健康的饮食习惯，因为它减少了选择快餐或加工零食的诱惑。从经济角度来看，深度冷冻也使生产者和消费者都受益。对于农民来说，这意味着过剩的农产品可以冷冻并在稍后出售，从而减少浪费并最大化利润。对于消费者来说，冷冻食品的价格通常低于新鲜食品，尤其是在淡季。这种动态创造了一个更可持续的食品系统，在这个系统中，资源得到了有效利用。然而，了解并非所有食品都适合深度冷冻是至关重要的。有些物品，如某些乳制品或带壳鸡蛋，不适合冷冻，可能会失去质量或变得不安全。因此，关于哪些食品能够承受深度冷冻的正确知识对消费者做出明智选择至关重要。总之，深度冷冻是一种显著的食品保存方法，提供了众多好处，包括增强的食品安全性、改善的质量和经济优势。随着我们继续在便利和健康至关重要的世界中航行，理解深度冷冻的重要性将帮助我们做出更好的饮食选择，并欣赏保持我们的食物安全和美味的技术。无论您是忙碌的专业人士、平衡多重责任的父母，还是只是喜欢随时拥有各种食物的人，深度冷冻都是现代食品储存和准备中的一种宝贵工具。