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. 2015 Jun 3;20(6):10298–10312. doi: 10.3390/molecules200610298

Figure 3.

Figure 3

Principal component analysis for GC/SAW responses of leaves, aerial stems, and underground stems of Houttuynia cordata Thunb. (A) leaves, (A′) aerial stems, (A′′) underground stems, Ulreung Island, South Korea ; (B) leaves, (B′) aerial stems, (B′′) underground stems, Anmyeon Island, South Korea; (C) leaves, (C′) aerial stems, (C′′) underground stems, Jeju Island, South Korea; (D) leaves, (D′) aerial stems, (D′′) underground stems, Hampyeong, South Korea; (E) leaves, (E′) aerial stems, (E′′) underground stems, Haenam, South Korea.