5 Questions
What is the primary purpose of canning?
To preserve food in an airtight container
How long can a freeze-dried canned product like dried lentils last in an edible state?
Up to 30 years
What was the condition of the 109-year-old canned food found in the wreck of the Bertrand?
No trace of microbial growth and still safe to eat
Why did the French government offer a cash award before the Napoleonic Wars?
To find a cheap and effective method of preserving large amounts of food
What organization tested the samples of canned food from the wreck of the Bertrand?
National Food Processors Association
Test your knowledge of food preservation with this canning quiz. Learn about the different methods and techniques used to prolong the shelf life of food, from Mason jars to steel and tin cans. See how much you know about the science and history of canning!
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