Proven methodologies for preserving food freshness in refrigeration and freezing units: a step-by-step guide
Julia Wójcik
2026-03-23
5 min. read
33
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Following grocery shopping, most individuals tend to place food items in the refrigerator based on habit rather than deliberate consideration of how specific thermal zones or shelf placement may impact food longevity. Meanwhile, a comprehensive set of evidence-based guidelines exists regarding the organization of refrigerated storage spaces—guidelines that, when followed, can substantially extend shelf life, minimize food waste, and preserve both the organoleptic and nutritional integrity of products. Familiarizing oneself with these principles enables the avoidance of common missteps while maximizing the efficiency of food preservation practices.
Ways to store food
Food can be stored in a variety of ways: in a refrigerator, freezer, in an appropriate container, or in a kitchen cabinet. However, the most important thing is to know the product and the requirements it is subject to to to in order to maintain its properties for a long time. The more water the product contains, the faster chemical reactions occur and the faster it decays.
Food packaging
Food containers must meet special legal requirements in order to be in contact with food. Manufacturers offer plastic, glass, sealed packaging in various shapes and sizes. There are currently 5 standards which relate to plant hygiene, production environment and packaging testing which lead to the production of packaging that complies with quality requirements and safety against legal requirements.
How do you store food in the fridge?
Storing food in the refrigerator has its own rules. It's important to know about them. The bottom drawers of our refrigerator have a temperature of about 10°C and a higher humidity, which is why it's also the ideal place to store fruits and vegetables. Seasonal fruits like raspberries and strawberries can be stored without washing them in the best drawers for 1 to 2 days. It is very important to store salads that have access to oxygen if you pack the foil in the living room, because there's a lack of oxygen in the air contained in the young salons.
Storing food in the freezer
Storing food in a freezer is a very convenient way to extend the shelf life of your products. However, it is a simple and good way to preserve the nutritional value of food, which you can use at any time by simply reaching the freezer. The process of freezing, as we mentioned earlier, extends the usefulness of fresh food because the water in it freezes and there are no adverse chemical reactions. But freezing also reduces the activity of the enzymes that can lead to food spoilage.