• Question: Why are bananas yellow and why does the skin taste weird?

    Asked by orangesandpeaches to Cathal, Daphne, Darren, Jon, Katherine on 16 Mar 2012.
    • Photo: Darren Logan

      Darren Logan answered on 16 Mar 2012:


      Bananas are not always yellow – you can get red and purple ones too. Its just that the type we get in the shops are yellow and this is a side effect of the process we use to ripen them artificially. The chemical use to turn them yellow is called auxin.

      I don’t honestly know why the skin tastes weird, but its probably because it has a protective role and has not evolved to attract animals like the flesh of the fruit has.

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