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Fresh fruit?

A new coated fabric strip that can test the ripeness of fruit has been developed by scientists at Florida International University[2]. The fabric strip can soak up the chemical compounds in the juice of an orange that indicate the ripeness or freshness of the fruit. Researchers isolated three main compounds within the fruit that are markers for freshness. Over a two-month period, they found these chemicals lost their intensity, indicating the ability to track the degradation of the fruit.

The strip could be useful for government inspectors, grocers and growers, who could use this method to decide when they need to harvest their crop or to introduce packaging to slow down the ripening process and keep fruit fresh for longer.

References

2.  https://news.fiu.edu/2017/06/researchers-adapt-coated-fabric-to-determine-freshness-of-fruit/112291



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