Updated on March 13, 2023
The refrigerator is one of those contemporary wonders that has completely altered the course of human history. Meat could only be preserved by salting, and icy drinks were an expensive treat during hot weather.
The magic of your refrigerator is explained in this article.
The Purpose of Refrigeration
A refrigerator’s primary function is to store food at the proper temperature. Food retains its freshness longer when stored in a frigid environment. Refrigeration works by reducing the activity of germs (which are present in all food) and so extending the time it takes for the bacteria to ruin the food.
Milk spoils in two to three hours if left out on the counter at room temperature, for example. If you chill the milk, it will keep for up to two weeks since the cool temperature in the refrigerator reduces microbial activity so considerably. The germs can be completely eliminated by freezing the milk, and the milk may be stored for months at a time (until effects like freezer burn begin to spoil the milk in non-bacterial ways).
The preservation of food via refrigeration and freezing is a typical practice in the modern world.
Parts of a Refrigerator
A refrigerator’s heat absorber is the evaporation of a liquid. You probably already know that water has a cooling impact on your skin. Water evaporation absorbs heat, which is why you feel cold. To make it seem cooler, the evaporation rate of rubbing alcohol is substantially lower. Because the refrigerant used in a refrigerator evaporates at such a low temperature, it is possible to achieve freezing temperatures. Your skin will get very cold due to the evaporation of the refrigerant from your refrigerator.
The Refrigeration Cycle
The refrigerator in your kitchen follows a similar cycle to the one explained in the preceding section. As if that weren’t bad enough, your fridge’s cycle is never-ending. In order to keep a refrigerator cold, this is what occurs.
How to Use a Refrigerator
Modern technology and advancements in refrigerator efficiency have made refrigerators available to the majority of Americans. Many homeowners don’t give them much thought since they are so frequent. In order to prevent spoilage, they store our food at a low temperature of 40 degrees F or less, which is OK for the majority of us. There are, however, techniques to keep your food fresh in your fridge that you may not have known about.
Best Refrigerator Shelf Configuration
When it comes to keeping food cold, the higher shelves of the fridge provide the most reliable temperature control. Ready-to-eat food should be stored on your refrigerator’s top shelf (or shelves, depending on the type you have).
Foods like leftovers, pre-made meals like deli meats or salads, and butter are all examples of this. It also includes most dairy products (such as yoghurt and milk). The top shelf is a good place to put these items since uncooked foods might bring germs.
The bottom shelf is the best place to keep any uncooked meat. This keeps your other food safe from contamination in the case of any drips. Proteins should be kept separate from one other to avoid cross-contamination. According to Good Housekeeping, the refrigerator’s lowest shelves are the coolest area, making them ideal for storing products like eggs and dairy.
Bottom Drawer Use
These drawers, which are termed crisper drawers, are found at the bottom of most refrigerators. Produce, such as vegetables and fruits, may be stored in these drawers. In order to preserve the quality of the product, they’re made to retain part of the moisture they absorb. It’s a good idea to separate fruits and vegetables if there are two drawers, since fruits create more ethylene, which may cause veggies to ripen more quickly than they would otherwise. Before placing vegetables in the crisper drawers, it should be cleaned.
Refrigerator Door Usage
The doors are the hottest portion of the refrigerator, thus these shelves should hold the most temperature-fluctuation proof products, including sauces, juice and pickled components. There are a lot of individuals that store eggs, butter, and other dairy products on the door shelf, but this is really a bad idea. The optimum refrigerator shelf layout may also be reviewed to guarantee that food is kept as cold as feasible.
On Top of the Refrigerator
If you’re keeping food for eating on the top of your refrigerator, you’re putting it at risk of being damaged by the rising heat from the appliance. If you need to utilize the space, use it for kitchen appliances, empty lunch boxes or cookbooks.
Not in The Fridge
There are certain foods that are best served out of the fridge rather than inside. Tomatoes, for example, will age badly in the fridge and should be stored on the counter or in a pantry. If you need to let avocados or other fruits mature, you may do it at room temperature.
Freezer Usage Guidelines
If you buy frozen veggies, ready-to-eat meals, or meats, they’ll go straight into your freezer once they’re defrosted at the store. Frozen meats may be thawed and used as readily as fresh if you don’t plan to use them within a week or two. Soup, chilli, and other dishes with a similar texture may be frozen in plastic containers for up to several weeks. Serve straight from the freezer.