Unripe bananas travel from all around the world but always end up ripe and yellow on the supermarket shelves. This experiment shows us how.
- Millions of bananas are exported across the world from Ecuador, Costa Rica and Colombia.
- Bananas are exported while they are unripened and green, so they don't get bruised or damaged.
- Supermarkets use ethylene gas to ripen the imported bananas ready for sale.
- Ethylene occurs naturally in fruit as it ripens.
Ecuador, Costa Rica and Colombia produce a clear majority of the world's bananas.
They are a healthy and wholesome food, and in some countries provide nearly a third of an individual's diet.
Yet of the 100 million tons grown every year, 12 million tons are enjoyed outside of the countries they are ...
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