Figure 1. DPPH and ABTS free radical scavenging activity of methanolic extracts (1 mg/mL) from four different cultivars. Values are expressed as a mean± SD (n = 3). a-d Mean values followed by different superscripts above bars are significantly different by Duncan’s multiple range test at p< 0.05

From

Antioxidant Activities of Methanolic Extracts from Four Different Rose Cultivars

Lin Li, Hyeonmi Ham, Jeehye Sung, Younghwa Kim, Heon-Sang Jeongand Junsoo Lee

Journal of Food and Nutrition Research. 2014, 2(2), 69-73 doi:10.12691/jfnr-2-2-2