Study on the Quality Finger-prints Checking Methods of Frozen foods by Near-Infrared Spectroscopy

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For managing frozen foods individually, we have focused on the changes in reflectance spectroscopic characteristics due to difference of ingredients on the surface of the frozen foods. Diffuse reflectance spectroscopic characteristics for frozen minced fish meat and few kinds of seasonings (salts, sugars and spices) were measured by FT/IR with near-infrared detector. It revealed that sugar was nominated an effective seasoning for managing frozen foods among the seasonings tested. During seasonings tested, cinnamon sugar has very different spectroscopic characteristics than others and therefore it will be a candidate marking material for food management.