Journal of Spectroscopy / 2017 / Article / Tab 3

Research Article

Rancidity Estimation of Perilla Seed Oil by Using Near-Infrared Spectroscopy and Multivariate Analysis Techniques

Table 3

Results of PCR calibration and validation for acid and peroxide values of perilla seed oil according to preprocessing methods.

Preprocessing methodsAcid valuePeroxide value
CalibrationValidationCalibrationValidation
2RMSE2RMSE2RMSE2RMSE

Raw data0.89790.06990.65010.12930.82401.68330.77481.9136
MSC0.86450.08050.70910.11790.87871.40420.73282.0841
SNV0.83730.08820.68590.12250.81201.74840.75521.9951
Normalization
 Max0.83900.08770.53440.14920.84031.61130.76541.9529
 Mean0.87850.07620.69850.12010.85751.51560.78331.8771
 Range0.81050.09520.64540.13020.81571.73080.74742.0265

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