Research Article

Comparison of Essential Oils of Houttuynia cordata Thunb. from Different Processing Methods and Harvest Seasons Based on GC-MS and Chemometric Analysis

Figure 2

Representative total ion chromatograms of EOs of DHC1, DHC2, FHC1, and FHC2. S1: DHC1; S2: DHC2; S3: FHC1; S4: FHC2.