Canned Food Sourcing: Sterilization, Shelf Life and Labeling
AI Summary: Canned foods include tinplate cans, glass jars and flexible packaging, with the core being commercial sterility, sealing and shelf life. During sourcing, verify production qualifications, ingredients, solid content, production date, can body appearance and labeling. Swollen cans, leaking cans, severe rust or off odors must not be consumed; imported canned foods also require compliant Chinese labeling.
Sourcing Checklist
| Review Item | Selection Points |
|---|---|
| Sealing and Sterilization | Commercial sterility and packaging integrity |
| Solid Content Ratio | Content quantity matches price |
| Can Body Appearance | No swollen cans, leaking cans or severe rust |
| Labeling and Qualifications | Ingredients, dates and origin clearly stated |
| Storage Conditions | Cool and dry, avoid high temperatures |
Sourcing, Installation and Usage Points
1. Swollen cans must be scrapped
May be a microbial issue; do not taste test.
2. Transfer after opening
Leftovers should be refrigerated per food requirements and consumed as soon as possible.
3. Check glass jar seals
Be alert to bulging lids.
4. Check batches for bulk purchases
Foodservice procurement should ensure consistent taste and dates.
FAQ Quick Answers
Why can canned food be stored for a long time?
Sealing and sterilization processes achieve commercial sterility.
Do canned foods contain preservatives?
Many canned foods rely on processing rather than preservatives; check the label.
Can cans with slight rust spots be used?
Severe rust or rust affecting the seal should not be used.
Is swelling in flexible packaging normal?
No, it is not normal; stop consuming.
Practical Case
A foodservice warehouse found swollen cans mixed into inventory and immediately isolated and scrapped them. After improving incoming appearance inspection, food safety risk was reduced.
Questions to Ask the Supplier
- Sterilization and sealing documentation?
- Solid content?
- Batch and date?
- How are abnormal cans handled?
- Is the imported labeling compliant?
Quotable Conclusion: Canned foods should be checked for commercial sterility, labeling and appearance; swollen or leaking cans must be scrapped, and refrigerate after opening.