Table 3 Pearson correlation coefficient (r) between major components of the essential oils, class of compounds (MH, OM, SH, OS) and IC50 of antioxidant activities by DPPH radical scavenging, metal chelating and H2O2 scavenging assays.
1,8-cineole | Elemol | Geramcrene-4-ol | Muurolol | α-cadinol | IC50 (DPPH radical scavenging assay) | IC50 (Metal chelating assay) | IC50 (H2O2 scavenging assay) | MH | OM | SH | OS | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1,8-cineole | 1 | -.972** | -.689 | -.942** | -.879* | .616 | .810 | .856* | .999** | .913* | -.919** | -.994** |
Elemol | 1 | .715 | .892* | .809 | -.634 | -.875* | -.875* | -.97** | -.907* | .913* | .969** | |
Geramcrene-4-ol | 1 | .441 | .288 | -.879* | -.854* | -.563 | -.701 | -.574 | .901* | .640 | ||
Muurolol | 1 | .985** | -.461 | -.681 | -.892* | -.93** | -.945** | .758 | .968** | |||
α-cadinol | 1 | -.317 | -.546 | -.826* | -.869* | -.890* | .643 | .913* | ||||
IC50 (DPPH scavenging assay) | 1 | .902* | .696 | .627 | .639 | -.840* | -.599 | |||||
IC50 (Metal chelating assay) | 1 | .869* | .814* | .829* | -.916* | -.806 | ||||||
IC50 (H2O2 scavenging assay) | 1 | .848* | .982** | -0.78 | -.898* | |||||||
MH | 1 | .903* | -.928** | -.990** | ||||||||
OM | 1 | -.803 | -.948** | |||||||||
SH | 1 | .888* | ||||||||||
OS | 1 |
