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. 2016 Jul 15;21(7):921. doi: 10.3390/molecules21070921

Figure 2.

Figure 2

Principal component analysis (PCA) score plots of commercial gochujang derived from the GC-TOF-MS (A) and UHPLC-LTQ-IT-MS/MS (B) data sets; ● QC, quality control samples; ● WG, wheat gochujang; □ RG, rice gochujang (including RbG and RwG); ● RbG, brown rice gochujang; ● RwG, white rice gochujang; ● RbG-CA, brown rice gochujang containing C. annuum; ● RbG-CAY, brown rice gochujang containing C. annuum cv. Chung-yang; ● RwG-CA, white rice gochujang containing C. annuum; ● RwG-CF, white rice gochujang containing C. frutescens. Explained variances (R2X(cum)) and predictive abilities (Q2(cum)) of PCA models were 0.582 and 0.342 in (A) and 0.477 and 0.186 in (B), respectively.