From: A review on mechanisms and commercial aspects of food preservation and processing
Criteria | Batch retort | Continuous retort |
---|---|---|
Capital investment | Low capital investment and higher flexibility | Initial investment is high |
Throughputs | Lower | Higher |
Energy | Energy and labor intensive | Provides scope for energy saving |
Time of heating to sterilization temperature | 2–6 h | 0.5–3 min |
Sterilization time | 20–60 min | 15–90 s |
Cooling time after sterilization | 4–10 h | 5–10 min |
Food items | Useful in food processing operations which produce a mix of products in a number of package sizes | Baby foods in jar, pet foods, soup, canned meat, and beverages; acidic foods such as tomato products |