Application of ozone in meat slaughtering and processing

Application of ozone in meat slaughtering and processing

With the rapid development of economic conditions, people's living standards are constantly being improved, and food hygiene control is crucial. According to the statistics of Meat Consumption in 2018, the total amount of meat consumed in the world has increased greatly since the beginning of the 21st century. According to statistics, the total meat consumption in 18 years is as high as 10.31 million tons.

These large quantities of meat foods pass through a series of processes, such as the waiting cycle - the bloodletting room - the slaughtering workshop - the flushing workshop - the acid discharging workshop - the dividing workshop - the packaging workshop - the freezing and freshening workshop, the most terminal Go to the table and fulfill our appetite.

In the cattle industry, the slaughtering and processing of cattle has a very important role, and it has an irreplaceable role in the quality of beef and the process of accelerating the cattle industry. Especially in recent years, with the introduction of a large number of modern slaughtering and processing equipment and the active application of new technologies in the field of slaughtering and processing, the level of slaughtering industry in China has been greatly improved.

Beef slaughtering and processing has gone through: to be slaughtered-----Blood room-----slaughter workshop-----washing workshop-----acid-discharging workshop-----segment workshop----- Packaging workshop ----- preservation fresh-keeping workshop. In this process, the process of secondary pollution is as follows:

1. The raw material (live cattle) itself carries a large amount of bacteria. The living cow tissue is sterile inside, but there are microorganisms in the cavity and body surface, and the slaughtering process is carried out in the air. Therefore, slaughter, bloodletting, hair removal, and go Skin and internal organs, segmentation and other links can cause multiple contamination of microorganisms. The washing plant can be washed away, but there is still a lot of residue.

2. The process of killing and killing the cattle in the production process of the workers is carried out by means of bloodletting, decomposing, visceral cleaning, etc., and the skin needs to be peeled off, and the slaughter will produce more visceral contaminants. The wastewater discharged during the slaughter process contains a large amount of blood, grease and hair. Contaminants such as visceral debris, undigested food and feces, with unpleasant blood red and bloody smell, and also contain coliforms. Staphylococcus aureus and other pathogenic bacteria that endanger human health. These wastewaters have the characteristics of large concentration changes and high organic content, and direct discharge into the environment will seriously pollute the water bodies. At present, the slaughtering and processing technology of cattle has gradually entered the standardized track, and has been developed in the direction of scale and mechanization, and the disinfection of the workshop environment is more strict. Because the safety of beef food is a systematic project with many links and complicated control process, it requires the staff to use advanced sterilization technology to control the microorganisms in the whole production process and master the basic operational skills to produce safe and green beef. In order to provide consumers with better quality beef and other cattle products.

3. Cross-contamination in production

a. Residues of chemical drugs, such as 3% pyrolysis of vehicles used in vehicles entering the slaughterhouse, disinfection of peracetic acid in cattle rings, disinfection of chlorine dioxide on the ground, etc., may be residual;

b. Sterilization of slaughtering and dividing tools is not complete, or residues of chemical agents;

c. Secondary pollution of the central air-conditioning system. Under the series connection of air conditioners, the workshops such as engraving anus, out cavity, white dirty, white dirty inspection, red dirty, red dirty inspection, trimming, scouring, etc. may form secondary pollution. ;

d. The pollution formed by the sewer system is mainly due to the unreasonable design of the sewer, which is formed;

e. Cross-infection of personnel, due to incomplete disinfection of the staff or incomplete disinfection after the return of the chaotic posts.

Ozone is reduced to oxygen and water after sterilization, without any chemical residue. Ozone is an efficient broad-spectrum disinfectant that kills E. coli, mold, yeast, and pathogens in the air, in water, and in products. When the concentration of ozone water is appropriate, the bactericidal ability is higher than that of ultraviolet disinfectant, chlorine dioxide, potassium permanganate, formalin, sulfur dioxide and the like. The disinfection function of ozone is different from the general fungicide. The general fungicide is a progressive and cumulative bactericidal effect, and the bactericidal effect of ozone is rapid. When the concentration exceeds a certain straight, the disinfection and sterilization can be completed in an instant. It is with this powerful and rapid oxidizing power that ozone achieves the goal of killing microorganisms.

Ozone water technology does not cause changes in the taste and odor of the product. Ozone sterilization, no secondary pollution and residue, can be directly used in the production of disinfection and sterilization process, is a rare cold disinfectant in production, is also a green disinfectant.

Ozone gas can thoroughly disinfect the air, roof, walls, floors, work clothes, shoes and hats, work benches, tools, equipment and equipment surfaces in laboratories, locker rooms, workshops, material workshops and filling workshops. The mildew spots remove the odor in the air and make the indoor air clean and fresh. The new ozone anti-corrosion technology can completely replace other disinfectants and is applied to the carcass sterilization process.

Ozone water disinfection technology is widely used. It can also be used to wash cattle rings. It can not only kill bacteria in cattle, but also kill bacteria inside and outside the cattle circle. It has a miraculous effect on E. coli in feces. It is important to remove hydrogen sulfide (deodorization) from the cattle ring with a removal rate of over 95%. Washing the carcass of the cattle with ozone water not only kills the bacteria attached to the surface of the bovine ketone body, but also attaches a layer of ozone water to the burdock body, which is equivalent to applying a protective layer on the burdock body. When rinsing the cleansing body (painted

After the ozone water protective layer is pushed into the acid stripping chamber, the carcass is placed in an environment of 0 ° C - 4 ° C, and the acid is discharged after 12-24 hours; the ozone water does not decompose at low temperature, so that most microorganisms grow and multiply It is inhibited, and it also resists the secondary pollution of bacteria in low temperature bacteria; Clostridium botulinum no longer secretes toxins, and the enzymes in the meat act to decompose some proteins into amino acids, thereby reducing the content of harmful substances and ensuring meat. Safety and hygiene of the class. In the subsequent segmentation, storage and transportation of the carcass, the ozone water protective layer remains

It plays a role in inhibiting bacteria; without any pollution, it will be the highest safety and health state for green and organic beef. Rinse the ozone water of the carcass, and disinfect the wall, the ground, and the surface. Part of the ozone volatilized into the air can disinfect the air in the washing workshop; the air environment is sterilized; the ozone water flowing to the sewer is used to discharge the whole water. The system is effectively sterilized.

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