News Background: From April 19th to 25th, 2012, Health Times jointly launched the “2012 Refrigerator Purchase and Fresh-keeping Effect†questionnaire jointly with Sina Health Channel and Sohu.com Health Channel. A total of 16020 participants participated in Beijing. More than 10 areas including Shanghai and Guangdong. Among them, although 96% of netizens purchase the refrigerator, the most important factor is the preservation function. However, 57% of the netizens think that the refrigerator can be kept fresh as long as the food does not change, and only 21% of the netizens think that the moisture is maintained. Very important.
Status: wrong to use the refrigerator as a safe
Busy office workers are accustomed to large-scale purchases on weekends, and all the “grain†is stuffed into the refrigerator. Some even put it for a week. When you think about it, although it has not deteriorated, most fruits and vegetables have been smashed and are no longer fresh.
In fact, the refrigerator is not a "safe" or a "disinfection cabinet." Putting the ingredients into the refrigerator can really extend the shelf life, but the low temperature only inhibits the growth and reproduction of microorganisms (microbes still exist), inhibits the activity of enzymes in fruits and vegetables, but the loss of nutrients cannot be avoided. Especially for fruits and vegetables, in addition to controlling the low temperature to maintain its non-destructive quality, humidity is more important for the preservation of its nutrients. Unfortunately, most consumers and refrigerator manufacturers have not considered humidity issues.
Factors: Fruit and vegetable preservation is heavy in hydration
In the survey, 54% of people valued the importance of food preservation, and only 22% chose humidity.
In fact, the refrigerator fresh-keeping temperature is important, and different foods have different temperature requirements. But for fresh fruits and vegetables, the most important thing to keep fresh is to retain moisture, while avoiding leaf rot. Therefore, a qualified fresh-keeping refrigerator should be dry and wet.
However, from the current market, the temperature control of the entire refrigerator industry is very common; however, there are few refrigerators on the market that can achieve humidity control, especially nowadays large-capacity refrigerators have adopted air-cooling technology to solve the problem. The problem of frost, but because of the easy to dry up, the water loss of the ingredients has been accelerated, and there is no way to achieve the best preservation effect of fruits and vegetables. Therefore, the loss of water in fruits and vegetables is serious, which further worsens the loss of nutrients and the deterioration of sensory quality.
Weapons: It’s better to choose a good product.
According to the experimental data of the authoritative organization, in general, 38% of the water is lost after 7 days, while only 5.6% of the refrigerator is lost after 7 days. Therefore, for families with conditions, consider a refrigerator with humidity control. Due to the design of dry and wet partitions, there are different refrigerating spaces for different types of foods, ensuring that most fruits and vegetables are stored in a temperature- and humidity-balanced environment, so that the ingredients are fresh as they are. Will save more nutrients. Otherwise, don't be lazy, vegetables and fruits are still eaten now.
When you store food in the refrigerator, you should also pay attention to skills. For example, raw and cooked food should be stored separately; vegetables should be removed before they are placed in the refrigerator; food should be packed in food bags or placed in a closed container to prevent odor (but the humidity-controlled refrigerator does not need to be repackaged); Stacked and stored, leaving a gap between each other. Finally, the refrigerator should be cleaned and disinfected regularly.
An ADSL filter separates the analogue voice-frequency signals from the ADSL (broadband) data signals(Broadband being defined as data transfer greater than 128KBPS.)
If ADSL filter/splitters are not used, the ADSL data signals are heard as "noise" on any equipment connected to the "normal" telephone-line. Apart from being annoying during a telephone conversation, there is the possibility that the additional ADSL signals may cause problems with alarm-units (etc) that may be connected across the line.
This ADSL-interference is illustrated in the diagram below that shows how the unfiltered ADSL data signals appear across the "standard" telephone equipment.
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