Reflectance Spectroscopy Ensures Quality in Apple Sorting Challenge: Undetected browning, spots, blemishes and other flaws can affect fruit quality, damage brand reputation and result in lost business. Solution: Optical sensing techniques including spectroscopy are among the tools available to fruit and vegetable producers to assess quality parameters such as internal and surface color, sugar content and acid level. Optical sensing technologies are very versatile, making possible rapid, non- destructive measurements at the surface of the fruit or under the skin or peel. Setups can be deployed in-line, at-line or in the lab.In addition, sensing tools like spectrometers can be integrated into food sorting machines at the component or sub-assembly level or used as turnkey systems. Systems

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