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2025
Near-infrared spectroscopy technology has revolutionized the entire industrial chain in the field of intelligent sorting for agricultural products. By using characteristic wavelengths (for precisely analyzing internal quality, combined with high-speed sorting mechanisms—response time), the system can simultaneously complete detection of multiple chemical indicators and physical grading, thereby improving sorting efficiency and increasing yields.
In terms of internal quality sorting for fruits, based on short-wave near-infrared diffuse reflection technology, it accurately detects sugar content (with an error of ±0.5°Brix) and acidity (citric acid measurement accuracy of ±0.09%). For example, with apples, using a multispectral fusion algorithm, the system can sort 180 fruits per minute, accurately grading quality levels. After implementation by a company in Shandong, export premiums increased by 21%.

