The drinks we drink every day usually have to undergo strict sterilization procedures before they can be distributed to the market and into the hands of consumers. Today I will share with you the common sterilization methods in beverage production.
1. Ultra-high temperature instant sterilization
As the name suggests, it is a sterilization method that uses high temperature to kill harmful microorganisms in beverages in a short period of time. This method, usually carried out before beverage filling, also known as "pre-killing", can maintain the natural flavor of the product to the greatest extent and reduce the loss of nutrients that are beneficial to the human body.
It is widely used in the production of heat-sensitive beverages such as milk and juice. The "UHT" logo printed on the common Tetra Pak packaging on the market means ultra-high temperature instant sterilization.
2. Pasteurization
Also known as low-temperature sterilization, it is named after the invention of French microbiologist Pasteur. It takes advantage of the heat-labile characteristics of microorganisms and uses appropriate temperature and holding time to kill harmful microorganisms while maintaining the nutrients and flavor in the food. constant.
Pasteurization is usually performed after beverage filling, also known as "post-killing". It is mostly used for sterilizing beverages such as beer, wine, and juice during production. The bagged milk on the market is also pasteurized.
3. Sterilization retort
The sterilizing retort machine can reach a maximum temperature of 135°C under pressure. The high temperature destroys the microbial cell structure, effectively kills spoilage microorganisms in food, prevents beverages from deteriorating, and extends the shelf life.
This sterilization method is commonly used in plant protein drinks such as soy milk, and is also a post-sterilization mode. Tinplate cans, soy milk, etc. are commonly sterilized in sterilization retort chamber.
4.Preservative
Don’t be nervous when you hear about preservatives. my country has approved 32 kinds of food preservatives so far, which itself is a sterilization method.
Preservatives within the safe range are essential elements in many foods and can help people inhibit the growth of bacteria in food. Sodium benzoate is a widely used preservative, mainly used in carbonated drinks and fruit drinks.
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