As the Mid-Autumn Festival approaches, major supermarket stores have put moon cakes. For the food safety issues that have been reported continuously in recent days, the majority of the people have already had a fear of food. In order to enable the citizens who buy moon cakes to eat safe and delicious moon cakes, the quality inspection of moon cakes is crucial. So what kind of environment is the moon cake tested? What are the tests? What equipment is required for testing? The following describes the application of high technology in moon cake quality inspection.
Do not underestimate the small mooncakes, check it is also very simple, the entire testing process requires more than 20 kinds of equipment, of which there are more than 10 kinds of large-scale high-tech testing equipment. Such as automatic bacteria count, automatic identification of bacteria, gas chromatography, high performance liquid chromatography, atomic absorption spectrometry, atomic fluorescence spectrometer, etc., light these devices will be about 5 million. For those "suspicious" mooncakes, they must be confirmed by more advanced equipment such as high performance liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry.
19 high-tech equipment were used to identify the quality of moon cakes. The 19 items were divided into two categories. One was a very important quality item, including heavy metal arsenic residues, lead residues, pathogens, molds, and yellow in moon cakes. 5 items of Aspergillus, one of which is unqualified, belongs to severely unqualified quality; the other 14 items are important quality items, mainly including label, packaging volume of moon cake per kg, acid value, peroxide value, synthetic pigment, sodium saccharin. , sorbic acid, benzoic acid, etc. In addition to the above links, microbiological testing is also crucial. Microbiological testing includes the total number of colonies, coliform bacteria, pathogenic bacteria, and mold. The microbiological indicators in the moon cake must not exceed the standard, otherwise it will lead to diarrhea, and even food poisoning, and seriously endanger human health. Everyone who enters the class one hundred clean labs must wear shoes, change clothes, and wash their hands and disinfect their hands. After checking microorganisms, we also need to check the additives in moon cakes, such as saccharine sodium, cyclamate, synthetic pigments, benzoic acid, and sorbic acid in moon cakes. The detection of bulking agents first requires that moon cakes be crushed in the instrument and then be used in the instrument. Add the different extracts to separate the corresponding additives and purify the extracts according to the type of additives. After purification, leave the part to be detected, and then use a large-scale instrument such as a gas chromatograph or a high performance liquid chromatograph to perform the test, and compare the test results with national standards. “Don't underestimate the process of smashing, purifying, extracting, and comparing. Different types of moon cakes are not the same standards. Be sure to check them carefully, or you'll have a little bit of deviation and you'll have a good moon cake.†If it is found that if a certain batch of moon cakes is found to be unsatisfactory, then this batch of moon cakes is not allowed to be shipped and sold. It should be destroyed in accordance with the regulations. It seems that high-tech equipment has exerted great efforts on this test.
For the general public, let's talk about how to tell which is a good moon cake. According to the staff of the Food Inspection Center of the Municipal Quality Inspection Institute, the selection of mooncakes is based on the label name, factory name, site, production date, shelf life, net content, ingredient list, product standard number, etc. Do not buy. Second, look at the epidermis, the moon cake skin can be returned to oil, good moon cake should be translucent, shiny shiny, and the pattern on the epidermis, handwriting is clear, complete pie, without filling, no deformation, no mildew, no coke Feeling of guilt. Third, the moon cake fillings should be delicate and free of impurities, and the fillings should not be odorous and deteriorate. If it is a yolk filling, the yolk should be relatively complete and fresh, and the interface with the filling should be clear; if it is a meat filling, the meat should be selected to be delicious.
Do not underestimate the small mooncakes, check it is also very simple, the entire testing process requires more than 20 kinds of equipment, of which there are more than 10 kinds of large-scale high-tech testing equipment. Such as automatic bacteria count, automatic identification of bacteria, gas chromatography, high performance liquid chromatography, atomic absorption spectrometry, atomic fluorescence spectrometer, etc., light these devices will be about 5 million. For those "suspicious" mooncakes, they must be confirmed by more advanced equipment such as high performance liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry.
19 high-tech equipment were used to identify the quality of moon cakes. The 19 items were divided into two categories. One was a very important quality item, including heavy metal arsenic residues, lead residues, pathogens, molds, and yellow in moon cakes. 5 items of Aspergillus, one of which is unqualified, belongs to severely unqualified quality; the other 14 items are important quality items, mainly including label, packaging volume of moon cake per kg, acid value, peroxide value, synthetic pigment, sodium saccharin. , sorbic acid, benzoic acid, etc. In addition to the above links, microbiological testing is also crucial. Microbiological testing includes the total number of colonies, coliform bacteria, pathogenic bacteria, and mold. The microbiological indicators in the moon cake must not exceed the standard, otherwise it will lead to diarrhea, and even food poisoning, and seriously endanger human health. Everyone who enters the class one hundred clean labs must wear shoes, change clothes, and wash their hands and disinfect their hands. After checking microorganisms, we also need to check the additives in moon cakes, such as saccharine sodium, cyclamate, synthetic pigments, benzoic acid, and sorbic acid in moon cakes. The detection of bulking agents first requires that moon cakes be crushed in the instrument and then be used in the instrument. Add the different extracts to separate the corresponding additives and purify the extracts according to the type of additives. After purification, leave the part to be detected, and then use a large-scale instrument such as a gas chromatograph or a high performance liquid chromatograph to perform the test, and compare the test results with national standards. “Don't underestimate the process of smashing, purifying, extracting, and comparing. Different types of moon cakes are not the same standards. Be sure to check them carefully, or you'll have a little bit of deviation and you'll have a good moon cake.†If it is found that if a certain batch of moon cakes is found to be unsatisfactory, then this batch of moon cakes is not allowed to be shipped and sold. It should be destroyed in accordance with the regulations. It seems that high-tech equipment has exerted great efforts on this test.
For the general public, let's talk about how to tell which is a good moon cake. According to the staff of the Food Inspection Center of the Municipal Quality Inspection Institute, the selection of mooncakes is based on the label name, factory name, site, production date, shelf life, net content, ingredient list, product standard number, etc. Do not buy. Second, look at the epidermis, the moon cake skin can be returned to oil, good moon cake should be translucent, shiny shiny, and the pattern on the epidermis, handwriting is clear, complete pie, without filling, no deformation, no mildew, no coke Feeling of guilt. Third, the moon cake fillings should be delicate and free of impurities, and the fillings should not be odorous and deteriorate. If it is a yolk filling, the yolk should be relatively complete and fresh, and the interface with the filling should be clear; if it is a meat filling, the meat should be selected to be delicious.
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