Uploaded December 2025 | Updated September 2026, 2 weeks ago

---

I will explain why canned food can be stored for such a long time , and why it’s not simply because it there is little to no air inside the can.

Food Microbiology Playlist: youtube.com/playlist?list=PL4WoSCazHjWhQ9QywwquQss1NqkwqQQhc

00:00 Introduction: How Canned Food Lasts So Long
00:10 Common Misconception: The Role of Oxygen
00:30 Anaerobic Bacteria and Food Safety
01:00 The Real Reason: Killing All Microbes
01:28 Bacterial Spores and Sterilization Challenges
01:46 The Pressure Canning Process
02:08 Biological Principle of Preservation
02:32 What Happens After Opening a Can?
03:04 Practical Shelf Life: Corrosion and Chemistry
03:34 The Legacy of Louis Pasteur
04:01 Conclusion and Outro

#pasteur #microbiology

👜 AMAZON AFFILIATE SHOP - https:/microbehunter.com/shop (As an Amazon Associate I earn from qualifying purchases.)
🎈 SUPPORT - Become a Patron: patreon.com/microbehunter
🖂 NEWSLETTER - microbehunter.com/newsletter-signup
💻 WEBSITE - microbehunter.com