Research Article

Antioxidant Activities of Methanol Extracts of Thirteen Cameroonian Antibacterial Dietary Plants

Table 6

NO radical scavenging activities of the methanol extracts of thirteen antibacterial edible plants.

Plant extractsRadical scavenging activities expressed as RSa50 (μg/ml)

Amaranthus hybridus760.25 ± 65.02f
Amaranthus cruentus524.13 ± 37.30e
Cucumis melo58.38 ± 3.27a
Lactuca capensis74.58 ± 3.82ab
Lactuca sativa19.77 ± 1.80a
Manihot esculenta118.60 ± 6.60abc
Piper nigrum477.09 ± 19.32e
Sechium edule738.77 ± 35.49f
Solanum nigrum233.27 ± 7.26d
Talinum triangulare
Telfairia occidentalis53.05 ± 2.06a
Vernonia hymenolepis191.97 ± 20.85cd
Vernonia amygdalina66.86 ± 4.05a
Rutin157.72 ± 7.38b

Note: “—”: >1024 μg/ml; RSa50: concentration of tested sample necessary to decrease by 50% the free radical NO. Values bearing the different superscript letters are significantly different ().