A modern refrigerator is not just a freezer and a shelf for milk, but a complex climate control system for your products. A special place in this system is occupied fresh zone, or the so-called “zero compartment”. It is here that ideal conditions are created for storing perishable goods that wither or spoil too quickly in a regular compartment.
Many users mistakenly believe that this compartment is intended exclusively for meat or fish, ignoring its capabilities for vegetables and fruits. However, proper use of space allows you to extend the shelf life of products by 2-3 times. In this article we will analyze in detail what what exactly should be placed in different types of freshness zones in order to preserve maximum vitamins and taste.
Understanding the principles of operation Zero Zone will help you not only save on food, but also maintain hygiene in the refrigerator. Let's look at the technical features and practical recommendations for filling this important compartment.
Principles of operation of the zero zone
The fresh chamber works on the principle of maintaining a temperature close to 0°C, which is significantly lower than in the standard compartment, where it is usually about +4..+5°C. At this temperature, the growth of bacteria slows down, but the products do not freeze, maintaining their structure. In some models Liebherr or Bosch this mode is called BioFresh or VitaFresh.
The key factor here is not only cold, but also humidity. Modern refrigerators often divide the zero zone into two types of drawers: high humidity (about 90%) and low humidity (about 50%). High humidity prevents vegetables and fruits from drying out, while low humidity is ideal for meats, fish and cheeses that need dry cold.
⚠️ Attention: Do not store foods that require room temperature, such as bananas, tomatoes or bread, in the zero storage area. Low temperatures can irreversibly change their taste and texture.
Technically, the process is regulated by a separate evaporator or a special damper that supplies cold air from the freezer. If you hear periodic fan noise, this is normal - the system maintains the set parameters.
Meat and fish products: ideal conditions
For raw meats, poultry and fish, the fresh zone is the best place to store them in the refrigerator if you plan to cook them in the coming days. Unlike the freezer, here the product does not crystallize, which allows it to maintain juiciness after defrosting (which, in fact, is not required).
In the c low humidity area, the surface of the meat remains dry, which prevents the formation of a slippery bacterial film. The shelf life of chilled beef or pork here can reach 3-4 days, whereas on a regular shelf it is no more than 24 hours.
- 🥩 Raw meat: beef, pork, lamb are stored for up to 4 days without loss of color.
- 🍗 Poultry: chicken fillet or carcass remain fresh for up to 3 days.
- 🐟 Fish and seafood: chilled fish, shrimp and squid remain edible for up to 2-3 days.
- 🌭 Delicacies: cold meats, sausages and bacon do not dry out and do not lose flavor.
Therefore, it is recommended to use minced meat first.
Vegetables, fruits and herbs: retaining moisture
The vegetable compartment with high humidity is designed to prevent wilting. Lettuce, greens and tender berries quickly lose turgor (elasticity) at low humidity levels. In the zero zone, they remain crispy and fresh much longer.
However, not all vegetables react equally to cold. Some tropical fruits and root vegetables may be affected by temperatures close to 0°C. For example, cucumbers can become watery if kept too long, but generally they hold up well for 5-7 days.
| Product type | Recommended zone | Shelf life (regular shelf) | Shelf life (fresh zone) |
|---|---|---|---|
| Lettuce | High humidity | 2-3 days | 10-14 days |
| Strawberries | High humidity | 1-2 days | 5-7 days |
| Carrots | High humidity | 1 week | 3-4 weeks |
| Apples | Low humidity | 2 weeks | 1-2 months |
Greens such as parsley, dill or cilantro are best stored in airtight containers or special bags inside a wet box. This will create an additional microclimate and prevent the smell from spreading throughout the refrigerator.
Why is it better to store apples separately?
Apples emit ethylene gas, which accelerates the ripening and spoilage of other vegetables. In the fresh zone, it is better to keep them in a separate container or box with low humidity, away from leafy greens.
Dairy products and cheeses
Dairy products require a stable temperature regime. In the refrigerator door, the temperature often fluctuates due to opening, which negatively affects milk and yoghurts. The fresh zone provides stable cold, extending the life of open packages.
Particularly sensitive to storage conditions cheeses. Hard varieties in an area with low humidity will not become covered with excess mucus, and soft cheeses (Brie, Camembert) in an area of high humidity will not dry out and lose their creamy texture.
- 🧀 Hard cheeses: parmesan, cheddar are stored without changing the taste for up to 3 weeks.
- 🥛 Open milk: retains freshness for up to 5 days after opening.
- 🍶 Sour cream and yoghurts: do not separate and maintain consistency.
- 🧈 Butter: remains soft for spreading, but does not melt.
If you store cheese in vacuum packaging, its shelf life in the fresh zone can be increased by another 30-40%. The main thing is not to damage the integrity of the packaging until consumption.
⚠️ Attention: Do not store soft blue cheeses next to fruit. Mold spores can spread to fruits, even if they are in different containers, if the refrigerator is not equipped with an antibacterial air purification system.
Ready meals and semi-finished products
Meals prepared the day before also benefit from storage at zero temperature. Soups, side dishes and salads without mayonnaise remain fresh longer, which is convenient for those who take food with them to work.
It is important to use the right container. Glass containers with tight-fitting lids are the best choice. Plastic can absorb odors, and in a fresh zone where air circulation is limited, this can lead to mixing of flavors.
The shelf life of ready-made dishes depends on their composition:
- 🍲 Soups and broths: up to 4 days without signs of souring.
- 🥗 Vegetable salads: up to 2 days (seasoned with oil).
- 🍝 Pasta and side dishes: up to 3 days.
- 🍱 Meat dishes: up to 2-3 days.
☑️ Check before adding food
What cannot be stored in the fresh zone
Despite the versatility of the zero zone, there are products that absolutely cannot tolerate such conditions. First of all, it tropical fruits: bananas, mangoes, papaya. At a temperature of about 0°C, they turn black and lose their taste in a matter of hours.
Also, do not put baked goods here. Cold speeds up the staling process of bread, making it dry and crumbly. Potatoes in the dark and cold can begin to sprout or turn starch into sugar, which will change their taste to sweetish.
It is not recommended to store here:
- 🍌 Bananas and avocados: If they should not ripen, it is better to keep them at room temperature.
- 🍞 Bread and pastries: they quickly become stale.
- 🥔 Potatoes: may acquire an unpleasant aftertaste.
- 🍯 Honey and jam: may become sugary faster than usual.
Setting up and maintaining the compartment
For efficient operation fresh zones, the refrigerator must be configured correctly. In most modern models, such as LG or Samsung, the temperature is controlled via the control panel. The optimal range for a meat box is from -1°C to +1°C, for a vegetable box - from +2°C to +4°C.
Regular cleaning of the boxes is mandatory. Remaining juice from vegetables or blood from meat can become a source of bacteria, which will negate all the benefits of the technology. Drawers should be washed with warm water and a mild detergent at least once a month.
Recommended cleaning sequence:1. Remove all products.
2. Remove the drawers and let them warm up (to avoid cracks).
3. Rinse with warm water and soda.
4. Wipe dry and install back.
5. Load products.
If you notice that the food in the freshness zone is starting to become covered with ice, the temperature may be set too low or the seal of the box may be broken. In this case, it is worth increasing the temperature step by 1-2 degrees.
⚠️ Attention: The temperature control interface may differ depending on the model and year of manufacture of the refrigerator. Check the user manual for exact access to settings Fresh Zone or similar functions.
Frequently asked questions (FAQ)
Is it possible to freeze food in the fresh zone?
No, the fresh zone is not intended for freezing. The temperature there stays around 0°C, which is not enough for deep freezing (-18°C). Products may partially freeze at the edges, but the inside will remain raw, which will lead to rapid spoilage.
Why do vegetables in the fresh zone become covered with condensation?
This is a normal process for a high humidity area. However, if there is too much water, you may have put warm food in there or opened the door too often. Wipe the box and check the tightness of the closure.
How long is an open package of milk stored in the zero zone?
In a regular chamber, open milk lasts 2-3 days, in a fresh zone with a temperature of +1..+2°C it can remain fresh for up to 5-6 days, provided that the package is tightly closed.
Do you need to defrost the freshness zone?
Special defrosting of drawers is not required if your refrigerator is equipped with a No Frost system. However, once every six months it is recommended to completely defrost the refrigerator for prevention and cleaning of the drainage holes.