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Warning on Process Cognition Misunderstanding: Sterilization Parameters Should Not Rely Solely on Temperature; Linked Control of Temperature, Pressure and Time Determines Product Quality

2026-07-27

In the high-temperature food sterilization process, many food processing enterprises have operational misunderstandings. They only focus on the set sterilization temperature while ignoring the coordinated matching of pressure and heat preservation duration. This frequently leads to quality problems such as post-sterilization deterioration, bag bulging and dry texture of food ingredients, greatly increasing product loss and production costs.

With years of in-depth experience in the R&D and production of food sterilization equipment, Zhucheng Xinfu Machinery has concluded from numerous on-site commissioning cases that food sterilization is a sophisticated process integrating temperature, pressure and heat preservation duration, which cannot be controlled by temperature alone. During sterilization, precise pressure balances the internal and external pressure difference of packages to avoid bag bulging and damage. A reasonable heat preservation duration adapts to the heat penetration rhythm of food materials, which not only achieves thorough sterilization but also prevents food moisture loss and flavor deterioration caused by high temperature. Single temperature adjustment and mismatched parameters are the core causes of substandard product quality.

To address the industry pain points, the fully automatic intelligent sterilization equipment of Zhucheng Xinfu Machinery is equipped with a customized PLC intelligent control system, enabling the fully automatic linked regulation of temperature, pressure and duration. It can match exclusive sterilization process curves and realize dynamic adaptive parameter adjustment for different product categories such as meat products, snack foods and pre-made dishes. Meanwhile, the company’s professional technical team provides one-stop process commissioning and parameter optimization services for customers.

In the future, Zhucheng Xinfu Machinery will continue to deepen the optimization of sterilization technology. Featuring intelligent equipment and professional technical services, the company will help food enterprises avoid production misunderstandings, stabilize product quality, reduce production losses, and empower the high-quality development of the food industry.

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