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. 2022 Sep 23;11(19):2976. doi: 10.3390/foods11192976

Figure 2.

Figure 2

Figure 2

Classification result for Lushan Yunwu tea (LY) and non-Lushan Yunwu tea (NLY) discrimination. (a) Principal component analysis (PCA) model (green—LY, blue—NLY); (b) discrimination analysis (DA) model with MSC pretreatment in the wavenumber range of 9700–8600, 7400–6800, 5600–4000 cm−1 (□—LY, △—NLY).