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. 2012 Oct 26;1(1):33–43. doi: 10.3390/antiox1010033

Table 3.

Total polyphenol contents, DPPH radical scavenging activity and Trolox equivalent antioxidant capacity (TEAC) of Sida rhombifolia.

graphic file with name antioxidants-01-00033-i001.jpg Total polyphenol contents (mg·GAE/g) DPPH (IC50—mg/mL) TEAC (IC50—mg/mL)
CE 38.22 ± 0.43 115.91 ± 0.15 75.70 ± 1.45
EaF 88.31 ± 2.66 70.50 ±1.62 20.58 ± 0.27
WtF 3.01 ± 0.32 126.46 ± 1.62 67.67 ± 0.38
DF 69.75 ± 1.87 87.99 ± 0.26 32.32 ± 0.79
HF 16.50 ± 0.19 180.21 ± 4.72 112.02 ± 0.29
n-BF 22.75 ± 1.66 111.88 ± 1.50 58.46 ± 0.47
Positive reference - 3.124 ± 0.023 3.02 ± 0.014

Crude Extract (CE), ethyl acetate (EaF), aqueous (WtF), chloroform (CfF), hexane (HF), n-butanol (n-BF), dichloromethane (DF). Positive reference DPPH: ascorbic acid. Positive reference TEAC: Trolox.