Concentration of vitamin C
" μg/ml "
Percent of inhibition (%) concentration of methanol extracted from leaves Juniperus
" μg/ml"
Percent of inhibition (%) concentration of ethanol extracted from leaves Juniperus
" μg/ml "
Percent of inhibition (%) concentration of acetone extracted from leaves Juniperus
" μg/ml "
Percent of inhibition (%)
100 72.3% 100 37% 100 39% 100 39%
200 80.8% 200 59% 200 59% 200 73%
300 89.1% 300 70% 300 75% 300 77%
400 92.8% 400 83% 400 87% 400 89%
500 96.7% 500 92% 500 95% 500 96%
Table 1: DPPH radical scavenging activity of vitamine C, methanol, ethanol and acetone extracted from leaves Juniperus grow in Al-Jabal Al Akhdar according to % inhibition.