Confusion and thinking of the hottest soft package

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Confusion and Reflection on the market of "soft packaged rice wine"

the development and research of using plastic bottles or bags for rice wine packaging in China began in the late 1990s. Because the yellow rice wine packed with this kind of material is convenient to carry, not easy to damage and cheap, it soon occupied a certain market in China. However, the yellow rice wine packaged with these soft materials still has some problems, such as low grade, short shelf life, poor flavor, defective appearance, and difficult production and operation, which has aroused widespread concern in the industry

yellow rice wine is a fermented wine with grain as raw material. It has low alcohol and rich nutrition. Sterilization packaging is the key for yellow rice wine to meet the national standard of shelf life of no less than 1 year

yellow rice wine is one of the three ancient wines in the world. For thousands of years, the packaging of yellow rice wine has been made of simple pottery. With the development of society, the packaging of yellow rice wine has also been renovated. In addition to absorbing porcelain bottles and glass bottles, polyethylene (PE) and polyester (PET) materials have also joined the big family of yellow rice wine packaging. The packaging of yellow rice wine has changed from the original pottery altar to the colorful packaging of glass, porcelain, PE and other materials, which can be said to be a great progress in the yellow rice wine packaging industry. At present, domestic rice wine enterprises adopt high temperature (80 ℃ ~ 90 ℃) sterilization method for rice wine sterilization. High temperature sterilization has the advantages of low cost, simple operation and guaranteed quality. Hard containers such as pottery jars and glass will not change due to high temperature, but it is very different for soft materials such as PE and pet. Soft materials shrink, deform and expand in case of high temperature, which will also shorten the shelf life of products. These problems that do not produce decomposition materials harmful to soil and crops during composting have been puzzling enterprises that pack yellow rice wine with soft materials

the current situation of "soft packaged rice wine" there are various soft materials used to pack rice wine on the market, which can be bottled with polyester; Also packed in polyethylene film bags; The shapes are round, long and square. No matter what shape or brand, one thing is the same: low grade and low price. At present, the yellow rice wine packaged with soft materials on the market has many shortcomings: first, the appearance is not beautiful, and the bottle shape appearance is either convex or concave; Second, the shelf life is short, and general enterprises dare not extend the shelf life, fearing that the wine will deteriorate and taste; Third, poor taste. In the market quality spot check, the quality qualification rate of "soft packaged yellow rice wine" is also low. There are both technological reasons and artificial reasons for enterprises to reduce costs. More importantly, "soft packaged yellow rice wine" is profitable. Regardless of their own production conditions, some enterprises have followed suit to produce "soft packaged yellow rice wine", which once appeared a mixed phenomenon in the market, which is the main reason for the poor quality stability of "soft packaged yellow rice wine"

analysis of problems in "soft packaged yellow rice wine" the concave convex problem of PE bottles is mainly caused by immature technology. After high temperature sterilization of yellow rice wine, PE, PET bottles or bags of soft materials will expand with the increase of wine temperature. When the wine temperature drops, some shrink with the liquor, and some refuse to shrink after shaping, so there is bump phenomenon. Therefore, the filling process of pottery jars cannot be applied to filling rice wine with soft materials such as PE bottles

"soft packed yellow rice wine" should not be stored for a long time because of the cooling process after sterilization. Because it takes 4-6 hours for hard materials to cool naturally after high-temperature sterilization. This process is also a pasteurization process. Even if the residual bacteria in the liquor are not killed in high temperature, they will be killed in the process of slow cooling. In the process of rapid cooling, the bacteria are likely to faint in the high temperature, but will slowly wake up in the rapid cooling. Therefore, although the rapid cooling method can keep the plastic bottle from deformation, the hidden quality hazards buried by it are still great

the poor flavor of "soft packaged yellow rice wine" is a practical problem. PE, pet and other materials are different from pottery jars. The pottery jar looks hard, but in fact, there are countless pores invisible to the naked eye, which are the "nose" of wine. With the temperature rising and falling outside, the wine will "spit out the old and absorb the new" along the pores in the pottery jar, so that the alcohol can carry out effective chemical and physical reactions. Therefore, in pottery, we hope to share our research results in this field. The wine in the jar is "live", while for soft materials such as PE, the internal molecular structure semi-automatic impact testing machine is mainly operated by hand. The manual box is operated by hand to operate the pendulum. It works closely, and does not have the function of "spitting out the old and absorbing the new" like the pottery jar. Therefore, the wine in the plastic bottle is "dead"

today, with the rapid development of science and technology, the experimental speed of plastic bottle concave will also be compared with that of low convex and yellow rice wine ester aging. As long as the process is improved, no high-temperature sterilization method is used, the liquor is sterilized by ultraviolet light, aseptic filling is carried out in a sterile room, and the problem of concave convex packaging can be completely solved. It is not difficult to solve the problem of accelerating the ester aging of yellow rice wine. It is OK to irradiate the liquor regularly with infrared ray to promote the aging of yellow rice wine. However, this requires increased investment in technology and equipment, which will increase the production cost. At present, the production of soft rice wine is low profit, and further investment means a loss

the above problems have affected the development of yellow rice wine enterprises, and the only solution is to scientifically develop soft material packaging yellow rice wine: first, enterprises should increase investment in their own equipment; Second, scientific research should keep up; Third, publicity should be strengthened; Fourth, the market should be standardized. Law enforcement departments should strengthen supervision to ensure the healthy development of "soft packaged yellow rice wine"

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