supermarket refrigerated showcase » article > display freezer > refrigerated showcase display cases remind you to be careful about the psychrotrophic bacteria in commercial refrigeration
refrigerated showcase display cases remind you to be careful about the psychrotrophic bacteria in commercial refrigeration
In summer, people frequently use commercial refrigeration, but the use of commercial refrigeration is particular: there is a kind of bacteria called psychrotrophic bacteria that is suitable for growth in the environment. Cause people's health problems. How can we eliminate psychrotrophic bacteria in commercial refrigeration? Please listen to tips from experts. The basic concept of
psychrotrophic bacteria
psychrotrophic bacteria is a general term for a class of bacteria. Generally, it is most suitable for growth between 0℃~20℃, because this temperature range is much lower than the most suitable temperature range for other bacteria, so it is named psychrophilic bacteria. That is to say, in the refrigerator, when other bacteria are frozen to death or their growth and reproduction are slowed down, psychrophilic bacteria are like a fish in the water, growing rapidly and multiplying at a suitable growth temperature.
The harm of psychrotrophic bacteria
Generally speaking, eating food contaminated by psychrotrophic bacteria can cause nausea, vomiting, abdominal pain, diarrhea and other symptoms. But the harm of psychrotrophic bacteria is far more than that. Listeria can cause neonatal, infantile purulent meningitis, adult sepsis, abortion in pregnant women, etc. It comes fiercely, and it is not sensitive to commonly used antibiotics, so the mortality rate after infection is high. People who eat foods contaminated by Yarrowia stored in low temperature may have diarrhea, gastroenteritis and appendixTail inflammation-like symptoms, brain abscess, liver abscess, sepsis, etc. can also occur.
Methods to prevent psychrotrophic bacteria
●Grasp the commercial refrigeration temperature, the temperature of the refrigerator should generally be kept at 4℃~10℃.
● Eat fresh food as much as possible. If there is food leftovers, it should be stored in the refrigerator after cooling to room temperature to avoid rapid growth of bacteria at room temperature.
●Put the raw and cooked food in a fresh-keeping box or plastic wrap and store them separately to avoid cross-contamination.
●Try not to store food in the refrigerator for too long. Foods that do need to be kept in the refrigerator for a long time should generally be placed in the freezer.
●Before eating the food taken out of the refrigerator, it must be heated thoroughly, especially the leftovers, it is best to cook them again. Generally heating for more than 15 minutes can ensure the removal of psychrophilic bacteria that may be contaminated and reduce the occurrence of diarrhea.
●Clean the refrigerator frequently to keep the environment in the refrigerator clean and tidy, which can inhibit the growth of bacteria and reduce their reproduction, which is also one of the effective ways to reduce the harm of psychrotrophic bacteria.
common pathogenic psychrophilic bacteria
●Listeria is widely found in livestock such as cattle, sheep, pigs, horses, and poultry such as chickens and ducks.
●Erysipelas-like bacteria are widely present in soil, water and vegetables, and are ubiquitous in livestock, wild animals, and birds.
●Pseudomonas fluorescens is widely distributed in nature, and it is one of the main bacteria that cause spoilage and deterioration of milk and eggs when stored under low temperature conditions.
This article is organized by refrigerated showcase commercial refrigeration. For more news and information, please visit the company website: www.ihdjx.com
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