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Near-Infrared Spectroscopy: Key to 80x Efficiency Boost in Goji Berry Sorting
2025-09-02Goji berry sorting, once limited by traditional methods, has been revolutionized by near-infrared (NIR) spectroscopy—especially when integrated with advanced color sorters. This tech combo has pushed sorting efficiency to an 80x increase, reshaping the global goji processing industry.
Traditional manual sorting or basic color sorting machines could only judge goji berries by surface color, missing internal qualities like sugar content, moisture, and toxin levels. But NIR-equipped optical sorters penetrate berry tissues, analyzing molecular compositions in milliseconds. A single goji berry color sorter with NIR can handle 1,000kg of goji per hour, a stark contrast to the 12.5kg/hour capacity of old systems—hence the 80x efficiency leap.
These advanced automatic color sorters also ensure consistency. They filter out underripe, moldy, or pesticide-contaminated berries with 99.5% accuracy, far surpassing human judgment. For processors, this means fewer rejects, higher-quality end products, and better market competitiveness. What’s more, NIR-enabled industrial color sorters adapt to different goji varieties, from Ningxia to Qinghai types, by adjusting spectral parameters—no need for costly machine replacements.
As global demand for high-quality goji products rises, the role of NIR-integrated color sorting equipment becomes irreplaceable. It turns a labor-intensive process into a fast, precise, and cost-effective one, benefiting both large factories and small-scale processors.
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