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Chemical and Biological Technologies in Agriculture
Fig. 2 | Chemical and Biological Technologies in Agriculture

Fig. 2

From: Discrimination of geographical origin of Korean and Chinese red pepper paste via inductively coupled plasma atomic emission spectroscopy and mass spectrometry

Fig. 2

Discriminant analysis of different origin of fermented red pepper pastes using orthogonal partial least squares-discriminant analysis (OPLS-DA) model. a OPLS-DA plot of domestic and imported fermented red pepper pastes. Red and blue color indicating imported and domestic fermented red pepper paste, respectively. b Variable importance in projections (VIP), the elements with larger than 1 VIP values represented as red color. c The results of the permutation test for validation. d ROC of OPLS-DA using 20 VIP

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