Journal of Spectroscopy / 2017 / Article / Tab 4

Research Article

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

Table 4

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

Preprocessing methodsAcid valuePeroxide value
CalibrationValidationCalibrationValidation
2RMSE2RMSE2RMSE2RMSE

Raw data0.82570.09130.68870.12200.82091.70610.80361.7869
MSC0.86430.08060.73690.11220.82551.68420.78581.8660
SNV0.87030.07870.72720.11420.82681.67810.79051.8455
Normalization
 Max0.87410.07760.72250.11520.83401.64280.79141.8416
 Mean0.83280.08940.66810.12600.80371.78630.78161.8844
 Range0.91630.06330.74130.11120.84601.58210.78291.8787

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