Nondestructive firmness measurement of the multiple cultivars of pears by Vis-NIR spectroscopy coupled with multivariate calibration analysis and MC-UVE-SPA method
Infrared Physics & Technology（2020）
Abstract
•Firmness is an important internal quality attribute of fresh fruit.•The multi-cultivar model was developed to assess firmness of three cultivars of pears.•Multi-cultivar model was superior to individual-cultivar model for firmness analysis.•MC-UVE-SPA was a powerful tool to select the most effective variables.•MC-UVE-SPA-LS-SVM model is optimal for firmness prediction of pears.
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Key words
Internal quality detection,Pear firmness,Multi-cultivar calibration models,Effective variable selection,Nondestructive assessment
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