Device to detect fruit and vegetable intake

A new device being developed by Yale researchers will enable users to detect the amount of fruits and vegetables that have consumed. The Resonance Raman Spectroscopy (RRS) device uses a blue laser beam that can detect skin carotenoids, which exist in higher abundance when users consume more fruits and vegetables. The skin carotenoids are used as biomarkers for this fruit and vegetable intake and the RRS can give accurate results in about a minute.
(Source: Yale)

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