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Visible and near infrared (Vis/NIR) spectroscopy combined with calibration methods was investigated for the determination of protein content of auricularia auricula. The calibration set was consisted of 180 samples and the remaining 60 samples for the validation set. Different preprocessing methods were compared in partial least squares (PLS) models including Savitzky-Golay smoothing (SG), standard...
Near infrared spectroscopy combined with chemometrics was investigated to determine the total amino acids (TAA) in oilseed rape leaves. The samples in calibration, validation and prediction set were 80, 40 and 30, respectively. Different spectral preprocessing were compared, and three calibration methods were employed including partial least squares (PLS), multiple linear regression (MLR) and least...
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