Antioxidant and Antiradical Activity of Beetroot (Beta vulgaris L. var. conditiva Alef.) Grown Using Different Fertilizers

Table 2

The results of superoxide anion radical scavenging, ferrous ion chelating, and hydrogen peroxide scavenging activity of water extracts, alcohol extracts, α-tocopherol, and BHA.

	Superoxide scavenging activity (%)		Ferrous ion chelating activity (%)		H2O2 scavenging activity (%)
	Water	Alcohol	Water	Alcohol	Water	Alcohol
BHA	66.4 ± 1.2		61.4 ± 3.6		38.6 ± 1.5
-Tocopherol	55.4 ± 7.3		48.5 ± 4.9		41.6 ± 5.6
CAN 50 kg ha^−1	21.3 ± 2.9	33.7 ± 6.3	30.9 ± 9.6	55.9 ± 2.3	38,6 ± 3.8	52.3 ± 2.2
CAN 100 kg ha^−1	46.9 ± 8.8	58.6 ± 5.5	21.9 ± 1.9	51.2 ± 1.9	42.6 ± 9.5	58.6 ± 1.9
CAN 150 kg ha^−1	59.3 ± 3.3	65.7 ± 6.9	21.2 ± 1.6	83.1 ± 2.6	40.1 ± 3.3	53.6 ± 2.8
Urea 50 kg ha^−1	27.0 ± 3.0	35.8 ± 4.7	61.4 ± 1.3	33.9 ± 7.1	55.4 ± 3.6	63.2 ± 5.7
Urea 100 kg ha^−1	49.2 ± 2.1	58.2 ± 1.2	57.8 ± 7.7	11.6 ± 4.0	58.3 ± 4.4	66.2 ± 1.1
Urea 150 kg ha^−1	77.1 ± 3.4	84.6 ± 3.5	28.6 ± 2.7	92.8 ± 8.4	56.3 ± 0.5	65.1 ± 5.3
AS 50 kg ha^−1	21.3 ± 2.9	33.6 ± 3.3	88.3 ± 3.2	60.7 ± 3.6	65.3 ± 7.6	72.3 ± 4.2
AS 100 kg ha^−1	32.4 ± 3.9	56.6 ± 2.5	63.0 ± 0.2	20.6 ± 5.9	69.2 ± 2.5	71.5 ± 1.4
AS 150 kg ha^−1	48.0 ± 3.2	64.3 ± 6.8	58.3 ± 2.3	8.9 ± 8.6	63.1 ± 8.1	70.3 ± 3.3
AN 50 kg ha^−1	48.8 ± 7.6	53.2 ± 2.7	52.4 ± 3.6	13.3 ± 2.7	68.1 ± 2.3	75.6 ± 5.1
AN 100 kg ha^−1	58.4 ± 3.5	62.3 ± 3.6	46.1 ± 9.4	29.4 ± 3.9	76.6 ± 4.6	78.2 ± 6.9
AN 150 kg ha^−1	64.1 ± 9.8	70.3 ± 9.1	27.2 ± 4.1	23.6 ± 2.4	77.2 ± 8.9	74,3 ± 7.8