Views: 4 Author: Site Editor Publish Time: 2019-11-27 Origin: Site
Although more and more aseptic bottling lines have been developed in the beverage industry, there is no denying that until now, hot bottling technology has held a superior position.
Hot filling is a process of choice for many juices and beverages because it eliminates the need of preservatives and chemicals while maintaining the same level of shelf life and nutritional properties of the beverage. With consumers becoming more aware of potential harmful effects of preservatives, hot filling is now the obvious choice as the process is rather simple and less complex compared to it's alternatives.
The process of hot filling involves several steps, each step is essential to maximize the benefits of shorter fill time and extended shelf life without preservatives.
1. The beverage is pasteurized and heated to the hot filling temperature, generally between 62-145℃ in a heat exchanger for at least 5/10/15 seconds.
2. The beverage is cooled to around 85-92℃(or 68-72℃in some place),then filled. In some cases, nitrogen is introduced into the empty space between the liquid and the brim to remove oxygen in order to avoid oxidation.
3. After the turning chain to sterilize the cap, as well as increase air tightness
4. Conveying to cooling station, this process will help preserve the product taste and nutritional properties. The cooling process will also create a vacuum inside the container, preventing microbial growth.
5. The cooled bottle / closure package is dried and decorating label is applied.
We Jiangsu Mesure Machinery have hot filling machines for kinds of fruit juices, vegetable juices, flavored waters, and sports drinks etc.
If interested, feel free to contact us.