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

<div>Heatmap analysis and HCA analysis of twenty-one batches of DHC and twenty-three batches of FHC at two harvest seasons. The different degrees of color clearly indicate the relationship between these chemical components in different samples.</div>

International Journal of Analytical Chemistry

fig3

Figure 3

Figure 3: Comparison of Essential Oils of <i>Houttuynia cordata</i> Thunb. from Different Processing Methods and Harvest Seasons Based on GC-MS and Chemometric Analysis 

Figure 3 | Comparison of Essential Oils of Houttuynia cordata Thunb. from Different Processing Methods and Harvest Seasons Based on GC-MS and Chemometric Analysis 