Bananas Last 10 Days Longer With One Kitchen Item? Here’s the Truth

The “one kitchen item” is usually plastic wrap—specifically, wrapping the banana stems rather than wrapping the whole bunch.

Bananas naturally release ethylene, a gas that promotes ripening. Covering the stems can slow the release of ethylene and may delay ripening by several days. Recent European food-safety guidance recommends wrapping the top of the bunch with reusable cling film as one way to extend freshness. (EUFIC)

🍌 Try this

1. Separate the bananas if you want them to ripen more slowly and evenly.
2. Wrap the stem ends tightly with a small piece of plastic wrap.
3. Keep them in a cool, dry place away from direct sunlight.
4. Once they’re ripe, refrigerate them to slow further ripening. The peel may turn brown, but the flesh can remain at the same stage of ripeness. (EUFIC)

What about the “10 days longer” claim?

Don’t count on exactly 10 extra days. Storage life depends on the banana’s ripeness, variety, temperature and handling. Research and extension guidance support delaying ripening with stem wrapping and refrigeration, but the benefit isn’t a guaranteed number of days. (Martha Stewart)

One important correction: don’t put unripe bananas in a very cold refrigerator. Bananas are sensitive to chilling, which can damage the peel and interfere with normal ripening. (UC Postharvest Center)

Bottom line: Wrapping the stems is a legitimate trick, but “10 days longer” is a catchy promise rather than a guarantee. The biggest wins are stem wrapping, avoiding bruising, keeping bananas away from other ethylene-sensitive produce, and refrigerating them once ripe.