Figure 3From: Anti-malarial activity and HS-SPME-GC-MS chemical profiling of Plinia cerrocampanensis leaf essential oilIsobologram and combination index (CI) of chloroquine (CQ) and the essential oil (EO) of Plinia cerrocampanensis . The 50% contour line shows a less than 1 combination index which shows synergy between EO and CQ at concentration (EO, CQ).Back to article page