With the advancement of technology, tools have been developed that allow more efficient monitoring. One of them is the use of temperature recorders incorporated into the cold storage refrigeration system.
In addition, transport box or in refrigeration equipment, which records the history of fluctuations in temperature and can later be reviewed by downloading the information to a computer. There are more advanced systems that include automated monitoring of temperature in real-time by GPS.
An example is a cold room refrigeration system digital thermograph, this device is used for temperature monitoring during distribution, which is installed in the vehicle, and from that moment it is ready to report the degrees and location. As well as it detects when they open and they close the doors, sudden changes in temperature, and send alerts to those responsible.
The use of time-temperature indicators:
The use of time-temperature indicators that are placed on the packaging of the raw material or finished product, is another tool that allows to visually detect if the product has been exposed to high temperatures. In general, its operation is based on a chemical reaction or a diffusion process that produces the color change of an indicator.
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Emerging technologies:
cold room refrigeration units are the emerging technologies that also help the consumer to detect products that have suffered temperature abuse and thus avoid consuming them, such as smart packaging that is used in food and has a label or device that changes color the moment the label is broken. Cold storage. It is a technology that is still little commercially applied, but that will undoubtedly be more common in the future, which will represent a greater commitment on the part of the food industry to achieve better control of all links in the supply chain. cold.
These tools and new technologies allow raw material suppliers, processors, distributors, and food marketers to identify points where the cold chain is lost, work on strategies to control them and thus provide consumers with safer food and reduce waste. Since cold room refrigeration units will be increasingly important to ensure effectively (with evidence) that the cold chain is maintained, which is becoming an essential requirement in markets that seek to consolidate their food business with quality and safety assurance.
Humidity in the cold storage:
Relative humidity in the cold storage warehouse should be high to avoid mass loss and compression bruising. A relative humidity of 92-97% relative humidity is generally recommended for dry, healthy tubers, and 85-90% for wet and weeping tubers.
Ventilated warehouses must absolutely be equipped with a humidifier, especially if it is an automatic ventilation system. In fact, the humidifier would be useless in an unventilated warehouse since it would then be impossible to blow the humidified air on the potatoes.
There are several types of humidifiers, but they are all designed to turn water into small droplets to allow evaporation, hence the need for air circulation.
The humidifier should always be on when the ventilation system is on, even if the humidity seems high, except when drying wet or rotten tubers or when it is raining.
Fresh air is very dry during the winter and, even when mixing it with recirculated air, the humidity does not reach 90%. Applying non-humidified air to the pile results in too much mass loss and the risk of compression bruising.
In cold room refrigeration system, warehouses without sufficient insulation or good air circulation, too much moisture build-up can occur. There is then a risk of water dripping onto the pile of potatoes, which must absolutely be avoided to eliminate any risk of rotting. Better insulation and the installation of fans above the pile or on the pile improves air circulation and reduces condensation problems.
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Warehouse monitoring:
This device looks like a velocimeter and is used to measure temperature on the job. Areas where there is a risk of loss appear as “hot spots,” often up to three weeks before other symptoms are visible.
Cold room refrigeration units Producers of processing potatoes may want to know the level of carbon dioxide, as research has indicated that the build-up of carbon dioxide in the warehouse can cause the color to vary when fried.
The advancement of technology:
With the advancement of technology, tools have been developed that allow more efficient monitoring. One of them is the use of temperature recorders incorporated into the transport box or in refrigeration equipment. That records the history of fluctuations in temperature and can later be reviewed by downloading the information to a computer.
There is a more advanced cold storage refrigeration system that includes automated monitoring of temperature in real-time by GPS. An example is the telematic digital thermograph, this device is used for temperature monitoring during distribution. It can be installed in the vehicle and from that moment it is ready to report the degrees and location, as well as to detect when they open and They close the doors, sudden changes in temperature, and send alerts to those responsible.
The use of time-temperature indicators that are placed on the packaging of the raw material or finished product, is another tool that allows to visually detect if the product has been exposed to high temperatures.
In general, the operation of a cold room refrigeration system is based on a chemical reaction or a diffusion process that produces the color change of an indicator.
Emerging technologies will also help the consumer to detect products that have suffered temperature abuse and thus avoid consuming them, such as smart packaging that is used in food and has a label or device that changes color the moment the label is broken. Cold chain. It is a technology that is still little commercially applied, but that will undoubtedly be more common in the future, which will represent a greater commitment on the part of the food industry to achieve better control of all links in the supply chain. cold.
For more information on good practices in food handling to maintain the cold chain, consult the technical postcards.
For more information on cold storage refrigeration system and good practices in food handling to maintain the cold chain, consult nsspl.in.
