Ancient Wisdom for Modern Food Preservation

The video explores how medieval food preservation techniques like drying, salting, and fermentation are still relevant today. It highlights the importance of reducing food waste by understanding the science behind these methods. The video also explains how modern dry products can be safely consumed past their expiration dates, emphasizing the role of microorganisms in preserving food. By learning from our ancestors, we can minimize waste and make sustainable choices.

What historical period is explored to find solutions for minimizing food waste?

• The Middle Ages

• The Modern Era

• The Renaissance

• The Industrial Revolution

Why does drying food help in preserving it?

• It changes the food's color.

• It adds nutrients to the food.

• It reduces the food's water activity.

• It increases the food's temperature.

What is the main reason salt preserves food?

• It draws moisture out of the food.

• It adds flavor to the food.

• It increases the food's temperature.

• It changes the food's color.

What process is used to transform milk into cheese?

• Freezing

• Boiling

• Curdling

• Fermentation

How do lactic acid bacteria help preserve yoghurt?

• By reducing its temperature

• By adding color

• By increasing its acidity

• By making it sweeter

What is the effect of increased acidity in yoghurt?

• It makes the yoghurt sweeter.

• It protects against harmful microorganisms.

• It changes the yoghurt's color.

• It reduces the yoghurt's temperature.

What is the benefit of consuming dried and salted products past their expiration date?

• They are more nutritious.

• They are still safe to eat.

• They are cheaper.

• They taste better.