Refrigerator Fresh Food Deliveries the main reason why fridges are good at keeping food fresh is because they maintain a cold environment. Food in cold temperatures will stay fresh for longer, which is the secret to refrigeration.
Fridges are a key element in every kitchen. Almost every household has at least one that is always power on, working non-stop to preserve everything inside it. We certainly can’t take them for grant, because before refrigerators, people use to bury their food in the snow and hope it wouldn’t be stolen!
The main reason why fridges are so good at keeping food fresh is because they are design to maintain a cold environment. Food in cold temperatures stays fresh for longer, which is the secret to refrigeration.
Microorganisms Freezer Provides
Refrigerator Fresh Food Deliveries all living things have a preferred temperature at which they like to exist. Take humans, for example, some of us like the cold, while others prefer warmth in the sunshine.
Bacteria and other microorganisms work the same way. They also have a temperature they like best and at which they grow fastest. Bacteria that we come across commonly prefer life at 37°C. Such microorganism are called mesophiles meaning that they like mid-range temperature (20-45°C)neither to hot or to cold.
Thus, at such low temperatures, their growth rate significantly lowers. This is a crucial point, because the doubling time (time take for a bacterial population to double) can start at 12 minutes and extend to as long as a day
YES! This answer may surprise you, but it’s all based on simple physics.
Hot air rises and cold air sinks. A fridge cools the air inside it, so naturally, the slightly warmer air will sit on the top shelves in the fridge, while the coldest air is near the bottom shelves