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Nondestructive Internal Quality Assessment of Fruits
Optimizing apple quality assessment is essential for the agricultural and fruit processing industries, especially as consumer demand for fresh, flavorful, and visually appealing produce continues to grow. Key quality indicators like color, size, shape, firmness, acidity, and soluble solids content (SSC)—a measure of sweetness typically expressed in °Brix—are used to determine apple maturity and market readiness. Visible/Near-Infrared (VIS/NIR) spectroscopy has emerged as a powerful, nondestructive method for fruit quality analysis, offering fast, reliable insights into both external and internal attributes without damaging the fruit. When paired with advanced chemometric models such as Principal Component Analysis (PCA) and Partial Least Squares (PLS) regression, VIS/NIR spectroscopy enables highly accurate predictions of SSC and other critical parameters. These technologies streamline apple sorting, reduce waste, and improve efficiency across the supply chain. Avantes’ high-performance spectrometers, such as the AvaSpec VRS2048CL-EVO, are widely adopted in the fruit sorting industry for their speed, sensitivity, and compatibility with real-time quality control systems. This application note highlights how Avantes’ VIS/NIR spectroscopy solutions and chemometric modeling enhance precision in sorting apples based on SSC, supporting better product quality and operational efficiency.