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. 2019 Dec 22;10(1):21. doi: 10.3390/biom10010021

Figure 2.

Figure 2

Antioxidant activity (DPPH free radical scavenging assay) of the wheat and oat bran extracts (fresh and thermally processed). The percentage inhibition (I%) was calculated as [1 − (test sample absorbance/blank sample absorbance)] × 100. Values are expressed as mean values ± SD, I%, n = 3, and are followed by different symbols (**) indicating significant differences (p < 0.05) between samples (Student’s t-test (p = 0.05); GraphPad Prism Version 8.0.1, Graph Pad Software, Inc., San Diego, CA, United States).