Skip to main content
. 2025 Aug 22;19(1):249. doi: 10.1186/s13065-025-01615-x

Table 2.

Measured absorbence values of synthesized compounds’ free radical scavenging activities

Compounds Absorbance and %free radical scavenging activity
12.5 25 37.5
A % Activity A % Activity A % Activity
4a 0.103 23.7 0.090 33.3 0.075 44.4
4b 0.106 21.5 0.090 33.3 0.077 43.0
4c 0.110 18.5 0.091 32.6 0.082 39.3
4d 0.097 28.1 0.086 36.3 0.069 48.9
4e 0.107 20.7 0.098 27.4 0.086 36.3
4f 0.127 5.9 0.093 31.1 0.082 39.3
4 g 0.107 20.7 0.097 28.1 0.085 37.0
BHA 0.035 85.0 0.035 87.9 0.048 89.3
BHT 0.073 45.7 0.051 63.6 0.051 77.1
α-Tocopherol 0.018 89.3 0.018 89.3 0.017 90.0
Absorbance of control reaction: 0.135