Fast Measurement of Soluble Solid Content in Mango Based on Visible and Infrared Spectroscopy Technique
نویسندگان
چکیده
Mango is a kind of popular tropical fruit, and the soluble solid content is an important in this study visible and short-wave near-infrared spectroscopy (VIS/SWNIR) technique was applied. For sake of investigating the feasibility of using VIS/SWNIR spectroscopy to measure the soluble solid content in mango, and validating the performance of selected sensitive bands, for the calibration set was formed by 135 mango samples, while the remaining 45 mango samples for the prediction set. The combination of partial least squares and backpropagation artificial neural networks (PLS-BP) was used to calculate the prediction model based on raw spectrum data. Based on PLS-BP, the determination coefficient for prediction (Rp) was 0.757 and root mean square error for prediction (RMSEP) was 0.865. It is concluded that infrared spectroscopy technique can quantitative the soluble solid content in mango, and the process is simple and easy to operate. Compared with the Partial least squares (PLS) result, the performance of PLS-BP is better.
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