Research Article

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

Figure 5

Prediction results of PCR models for acid and peroxide values from the highest 2 values. (a) Acid value with MSC preprocessed. (b) Acid value with mean normalization. (c) Peroxide value with mean normalization. (d) Peroxide value with raw data.
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