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. 2021 Nov 5;26(21):6696. doi: 10.3390/molecules26216696

Figure 2.

Figure 2

Ranges and distributions of total phenolics (TP, (a)), total flavonoids (TFO, (b)), total flavan-3-ols (TFA, (c)), DPPH free radical scavenging activities (DPPH, (d)), ABTS free radical scavenging activities (ABTS, (e)) and ferric ion/reducing antioxidant powers (FRAP, (f)) of ripe berry skins (Sk) and seeds (Se) belonging to the three grape groups from 2017 and 2018. The hollow dots and asterisks outside the whiskers indicate the mild and extreme outliers, respectively. The abbreviations of grape groups follow Figure 1.