The Composition, Antioxidant and Antibacterial Activities of Cold-Pressed and Distilled Essential Oils of Citrus paradisi and Citrus grandis (L.) Osbeck
Table 2
DPPH and ABTS scavenging activity of cold-pressed and distilled essential oils of C. paradisi and C. grandis.
Oil concentration
C. paradisi
C. grandis
Cold-pressed
Distilled
Cold-pressed
Distilled
DPPH scavenging activity
10 mg/mL
0.88 ± 0.01
14.87 ± 0.01
0
0
20 mg/mL
1.12 ± 0.00
32.13 ± 0.00
0
0
40 mg/mL
7.75 ± 0.01
51.24 ± 0.01
0
2.32 ± 0.01
ABTS scavenging activity
10 mg/mL
7.21 ± 0.011
27.42 ± 0.019
3.11 ± 0.006
3.70 ± 0.006
20 mg/mL
10.47 ± 0.009
48.36 ± 0.016
3.66 ± 0.009
4.95 ± 0.015
40 mg/mL
15.94 ± 0.006
66.14 ± 0.005
6.00 ± 0.010
9.06 ± 0.007
Values are means ± SD (). An asterisk indicates a significant difference to the control (). Means in a raw with different small letters are significantly different ().