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. 2021 Mar 9;26(5):1478. doi: 10.3390/molecules26051478

Table 2.

Total phenolic content and free radical scavenging capacities of tomato seed flour extracts.

Sample TPC ORAC DPPH ABTS
mg GAE/g µmoles TE/g µmoles TE/g µmoles TE/g
TSF1 2.00 ± 0.11 88.57 ± 2.42 3.57 ± 0.09 3.39 ± 0.08
TSF2 1.97 ± 0.30 86.32 ± 7.01 3.81 ± 0.20 3.58 ± 0.61

TSF1, tomato seed flour extract from the first batch; TSF2, tomato seed flour extract from the second batch; TPC, total phenolic content; ORAC, oxygen radical absorbing capacity; DPPH, 2,2-diphenyl-1-picrylhydrazyl radical scavenging capacity; ABTS, 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) cation radical scavenging capacity; GAE, gallic acid equivalents; TE, Trolox equivalents; all results are reported on a per tomato seed flour dry weight basis.