Table 3.

Antioxidant composition and activity of Tonda di Filogaso (TF), Ciciarello (C), Ottobratica Calipa. (O. CLP) Ottobratica Cannavà (O. CNV) and Ottobratica (O) accessions.

		Accessions	Harvesting Times
			O	N	Sign.
Antioxidant property	TChl	TF	10.21 ± 5.05	3.03 ± 0.90b	**
		C	10.95 ± 3.41	3.41 ± 1.02b	**
		O. CLP	7.00 ± 2.18	2.53 ± 1.23b	**
		O. CNV	6.35 ± 3.58	6.19 ± 3.84a	n.s
		O	8.76 ± 3.72	3.52 ± 1.17ab	**
	Sign.		n.s.	**
	TCa	TF	5.97 ± 1.82	2.71 ± 0.64b	**
		C	7.16 ± 2.28	3.25 ± 1.15ab	**
		O. CLP	5.17 ± 0.92	2.26 ± 0.90b	**
		O. CNV	4.98 ± 2.69	5.46 ± 3.58a	n.s
		O	5.72 ± 1.58	3.32 ± 1.02ab	**
	Sign.		n.s.	*
	TT	TF	227 ± 19c	224 ± 10c	n.s
		C	289 ± 18bc	242 ± 30bc	n.s
		O. CLP	324 ± 19b	309 ± 36a	n.s
		O. CNV	595 ± 66a	286 ± 32ab	**
		O	266 ± 44bc	238 ± 33bc	n.s.
	Sign.		**	**
	TP	TF	615 ± 403	516 ± 130	n.s.
		C	460 ± 123	486 ± 196	n.s.
		O. CLP	617 ± 397	446 ± 279	n.s
		O. CNV	778 ± 235	695 ± 318	n.s
		O	560 ± 453	334 ± 245	n.s.
	Sign.		n.s.	n.s.
Antioxidant activity	DPPH assay	TF	20.58 ± 13.62	14.09 ± 6.65b	n.s
		C	25.40 ± 13.70	13.80 ± 3.11b	n.s
		O. CLP	21.17 ± 11.50	20.50 ± 7.77ab	n.s
		O. CNV	34.71 ± 3.99	26.07 ± 2.70a	n.s
		O	21.97 ± 6.76	15.62 ± 12.33ab	n.s.
	Sign.		n.s.	*
	ABTS assay	TF	29.01 ± 3.67b	31.72 ± 12.11	n.s
		C	31.69 ± 10.26ab	33.79 ± 17.80	n.s
		O. CLP	23.29 ± 10.58b	24.76 ± 10.07	n.s
		O. CNV	45.67 ± 15.69a	37.52 ± 13.27	*
		O	25.49 ± 7.44b	32.07 ± 23.36	n.s.
	Sign.		**	n.s.

Amount expressed as mg/kg for TChl (total chlorophylls), TCa (total carotenoids), TT (total tocopherols), TP (total polyphenols), and % inhibition/mg for DPPH and ABTS assays. The data are presented as means ± standard deviations; **, *, n.s. see Table 1; a, ab, b, c see Figure 1.