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The Critical Role of High-Temperature Sterilization in Beverage Manufacturing

High-temperature sterilization balances microbiological safety, shelf stability, and sensory quality in beverages. While newer technologies (e.g., HPP) exist for premium products, thermal processing remains the most reliable, scalable, and cost-effective method for mass production – ensuring every sip is consistently safe from farm to table.

High-temperature sterilization (e.g., pasteurization: 72–85°C/161–185°F; UHT: 135–150°C/275–302°F) is essential for safety, quality, and shelf life in beverages. Here’s why it’s indispensable:

1. Pathogen Destruction


  • Raw ingredients (water, fruits, dairy, botanicals) carry pathogens (SalmonellaE. coliListeria, viruses).

  • Heat kills microorganisms, preventing foodborne illnesses (e.g., fruit juice-linked E. coli outbreaks).

  • Critical for vulnerable groups: Children, elderly, or immunocompromised consumers


2. Spoilage Microbe Elimination

  • Yeasts, molds, and acid-tolerant bacteria (e.g., Alicyclobacillus) cause:
    ▶️ Gas production (swollen cans/bottles)
    ▶️ Off-flavors, cloudiness, sedimentation
    ▶️ Visible mold growth

  • Sterilization extends shelf life from days to months/years without preservatives.


3. Enzyme Inactivation

  • Natural enzymes (pectinase in juices, peroxidase in plant-based drinks) cause:
    ▶️ Separation, texture degradation
    ▶️ Nutrient loss (e.g., vitamin C oxidation)
    ▶️ Color/flavor changes

  • Heat denatures enzymes, preserving sensory and nutritional quality.

4. pH-Dependent Risks

  • Low-acid beverages (dairy, tea, protein drinks, pH >4.6):
    ▶️ Prone to Clostridium botulinum (deadly neurotoxin).
    ▶️ Require UHT/retort sterilization (≥121°C/250°F).

  • Acidic beverages (juices, sodas, pH <4.6):
    ▶️ Lower temperature pasteurization suffices (e.g., 85°C for 30 sec).

5. Regulatory & Commercial Compliance

  • FDA/EFSA mandates: ≤1 yeast/mold per 10ml in juices; zero pathogens.

  • Global standards (Codex, ISO) require validated kill steps.

  • Avoids recalls (e.g., Cryptosporidium in apple juice recalls).


Key Applications

  • Dairy & Plant Milks: UHT sterilization enables ambient shelf life (6–12 months).

  • Juices/Nectars: Pasteurization prevents fermentation and spoilage.

  • RTD Teas/Coffees: Eliminates Bacillus spores causing rancidity.

  • Infant Formula: Sterilization is non-negotiable for safety.

Are you interested in food and beverage high temperature sterilization?Feel free to contact me.This is Jane.Tel/whatsapp/wechat:+8615689806788