Traditional Salads and Soups with Wild Plants as a Source of Antioxidants: A Comparative Chemical Analysis of Five Species Growing in Central Italy

Table 1

Summary table with all the results obtained from the DPPH, ABTS, and Folin-Ciocalteu assays on the extracts of the crude plants.

Plant	Sample	DPPH IC50	ARA	ABTS TEAC	FOLIN GAE
		(mg/ml)	(ml/mg)	(mmol/kgfw)	(mg /gdw)
Reichardia picroides	A1	0.86 ± 0.03	1.17 ± 0.04	11.2 ± 0.3	20.0 ± 0.7
	A2	1.06 ± 0.03	0.94 ± 0.03	6.2 ± 0.2	13.8 ± 0.5
	A3	0.57 ± 0.02	1.76 ± 0.05	6.4 ± 0.2	30 ± 1
	A4	0.75 ± 0.07	1.33 ± 0.12	6.2 ± 0.2	25.8 ± 0.9
Hypochaeris radicata	B1	2.69 ± 0.05	0.37 ± 0.01	4.5 ± 0.1	12.2 ± 0.4
	B2	1.90 ± 0.04	0.53 ± 0.01	5.6 ± 0.2	18.4 ± 0.7
	B3	1.39 ± 0.07	0.72 ± 0.04	8.8 ± 0.3	22.4 ± 0.8
	B4	2.10 ± 0.07	0.48 ± 0.02	5.9 ± 0.2	14.0 ± 0.5
Cichorium intybus	C1	2.23 ± 0.02	0.45 ± 0.00	3.9 ± 0.1	15.2 ± 0.6
	C2	1.69 ± 0.08	0.59 ± 0.03	6.1 ± 0.2	22.4 ± 0.8
	C3	1.76 ± 0.03	0.57 ± 0.01	5.8 ± 0.2	14.2 ± 0.5
	C4	2.30 ± 0.03	0.44 ± 0.01	3.7 ± 0.1	10.5 ± 0.4
Tordylium apulum	D1	2.00 ± 0.05	0.50 ± 0.01	6.1 ± 0.2	13.8 ± 0.5
	D2	1.79 ± 0.01	0.56 ± 0.00	8.0 ± 0.3	17.8 ± 0.7
	D3	1.91 ± 0.12	0.52 ± 0.03	6.1 ± 0.2	21.9 ± 0.8
	D4	2.03 ± 0.06	0.49 ± 0.01	6.0 ± 0.2	12.4 ± 0.5
Helminthotheca echioides	E1	0.91 ± 0.01	1.09 ± 0.01	15.4 ± 0.5	33 ± 1
	E2	1.16 ± 0.04	0.86 ± 0.03	10.7 ± 0.3	19.8 ± 0.7
	E3	0.71 ± 0.02	1.42 ± 0.04	12.1 ± 0.4	27.6 ± 1.0
	E4	1.47 ± 0.07	0.68 ± 0.03	11.6 ± 0.4	20.2 ± 0.7