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[ Focus on Chemical Machinery and Equipment Network ] After the plum blossoms into the heat, today is a small heat in a blink of an eye.
As one of the twenty-four solar terms, although the small heat is not the hottest time of the year, it is immediately followed by the big heat, which is regarded as the official start of the summer season.
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At the same time, after Xiaoshu is the season for new rice harvest, Xiaoshu has also had the custom of "eating new" since ancient times, and lotus root, winter melon, and new rice are often eaten in this solar term.
This is a part of our country’s food culture.
Up
.
Chemical machinery and equipment network hotspots pay attention to chemical machinery and equipmentAs one of the twenty-four solar terms, although the small heat is not the hottest time of the year, it is immediately followed by the big heat, which is regarded as the official start of the summer season.
Sign up
.
At the same time, after Xiaoshu is the season for new rice harvest, Xiaoshu has also had the custom of "eating new" since ancient times, and lotus root, winter melon, and new rice are often eaten in this solar term.
This is a part of our country’s food culture.
Up
.
A large part of the origin of the custom of "shixin" comes from the dual influence of history and climate
.
On the one hand, there was no refrigerator in ancient times, and the preservation of food and the choice of ingredients were obviously affected by the climate
.
After the summer heat, the climate is humid and hot, and the food cannot be left for a long time, and people's appetite will also be affected.
Therefore, seasonal and light ingredients have become the choice at this time
.
On the other hand, high temperature in summer will cause the body’s metabolism to accelerate, and the body’s water loss will accelerate.
At the same time, the body’s digestive function will be relatively weakened, and a feeling of sleepiness is prone to occur.
This also makes people pay more attention to dietary conditioning during this period.
.
.
On the one hand, there was no refrigerator in ancient times, and the preservation of food and the choice of ingredients were obviously affected by the climate
.
After the summer heat, the climate is humid and hot, and the food cannot be left for a long time, and people's appetite will also be affected.
Therefore, seasonal and light ingredients have become the choice at this time
.
On the other hand, high temperature in summer will cause the body’s metabolism to accelerate, and the body’s water loss will accelerate.
At the same time, the body’s digestive function will be relatively weakened, and a feeling of sleepiness is prone to occur.
This also makes people pay more attention to dietary conditioning during this period.
.
In general, "Shixin" itself is also a manifestation of the solar terms in Xiaoshu, but "how to eat safely and how to eat healthy" is another subject
.
.
In fact, with the continuous advancement of science and technology, with the appearance of refrigerators, the development of cold chain transportation, and the continuous improvement of transportation deployment, the impact of regions and seasons on food materials has been greatly reduced, even in summer.
Eat many seasonal ingredients that could only be eaten in other seasons
.
Therefore, judging the freshness and safety of the ingredients has also become the key to the safety of Xiaoshu's "new food" in this era
.
Eat many seasonal ingredients that could only be eaten in other seasons
.
Therefore, judging the freshness and safety of the ingredients has also become the key to the safety of Xiaoshu's "new food" in this era
.
Nowadays, with the increase in the output of agricultural products and the continuous enrichment of food types, the quality inspection of food and agricultural products has become a difficult problem
.
On the one hand, with the increase in categories, in food and agricultural products testing, we will encounter some currently unknown or undiscovered risk substances, which will directly affect the judgment of food safety; on the other hand, food contamination Residues of pesticides are common problems in food and agricultural products, and it is difficult for residents to identify these problems by themselves
.
.
On the one hand, with the increase in categories, in food and agricultural products testing, we will encounter some currently unknown or undiscovered risk substances, which will directly affect the judgment of food safety; on the other hand, food contamination Residues of pesticides are common problems in food and agricultural products, and it is difficult for residents to identify these problems by themselves
.
In order to solve these problems, improving detection technology has also become the key
.
At present, the instruments used for food testing are still mainly laboratory analytical instruments , but taking into account the application scenarios, it can also be subdivided into quick-test instruments and qualitative and quantitative testing instruments
.
For example, the pollution of pesticide residues or food and agricultural products can generally be solved by GC-MS, while the problem of heavy metal pollution can be solved with the help of a spectrometer
.
Analytical Instruments.
At present, the instruments used for food testing are still mainly laboratory analytical instruments , but taking into account the application scenarios, it can also be subdivided into quick-test instruments and qualitative and quantitative testing instruments
.
For example, the pollution of pesticide residues or food and agricultural products can generally be solved by GC-MS, while the problem of heavy metal pollution can be solved with the help of a spectrometer
.
In addition, in response to the prevailing food safety issues on the market, relevant agencies have also carried out corresponding market spot checks
.
Therefore, for residents, the safe and effective way to eat is to avoid the behavior of buying food ingredients through informal channels, and to ensure that the food and agricultural products purchased come from formal channels, so that traceability is more secure
.
.
Therefore, for residents, the safe and effective way to eat is to avoid the behavior of buying food ingredients through informal channels, and to ensure that the food and agricultural products purchased come from formal channels, so that traceability is more secure
.
Original title: Xiaoshushi's new scientific instrument allows us to eat more at ease
