Method and apparatus for determining quality of fruit and...

Optics: measuring and testing – Of light reflection

Reexamination Certificate

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Reexamination Certificate

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08072605

ABSTRACT:
A method for determining the quality and ripeness of fruit and vegetable products includes the steps of irradiating a fruit or vegetable product with radiating light; measuring the absorbance of the product at the wavelengths of 670 nm and 720 nm; determining the difference of absorbances measured at the wavelengths of 670 nm and 720 nm.

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