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Table 4 Inhibitory activities of compounds on NO production in LPS-activated RAW 264.7 macrophages

From: Fractions and isolated compounds from Oxyanthus speciosus subsp. stenocarpus (Rubiaceae) have promising antimycobacterial and intracellular activity

Samples Concentration (μg/mL) NO production (μM) % NO inhibition % cell viability
Lutein 25 0.14 ± 0.02 94.99 91.59
12.5 0.44 ± 0.15 83.85 92.59
6.25 1.37 ± 0.07 49.46 86.84
3.12 1.98 ± 0.08 27.17 74.20
Rotundic acid 25 0.48 ± 0.18 82.39 87.48
12.5 1.19 ± 0.16 56.24 86.11
6.25 2.01 ± 0.16 26.20 78.51
3.12 2.39 ± 0.09 12.16 73.73
Quercetin 25 0.35 ± 0.10 99.35 57.60
12.5 0.30 ± 0.05 106.61 79.23
6.25 0.69 ± 0.08 110.49 105.03
3.12 2.50 ± 0.48 94.50 101.23
  1. Values are expressed as mean ± SD