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

Table 1

Total phenolic content and total flavonoids amounts of water extracts, alcohol extracts, α-tocopherol, and BHA.

	Total phenolics		Total flavonoids
	(μg of /mg dw)		(μg of /mg dw)
	Water	Alcohol	Water	Alcohol
BHA	32.6 ± 5.7	66.5 ± 3.4	28.9 ± 8.5	62.6 ± 2.4
-Tocopherol	25.4 ± 3.6	85.5 ± 4.8	21.5 ± 6.4	81.3 ± 4.8
CAN 50 kg ha^−1	27.3 ± 4.2	147.4 ± 3.8	23.6 ± 6.1	143.6 ± 8.9
CAN 100 kg ha^−1	37.6 ± 5.2	149.1 ± 0.6	33.9 ± 3.2	145.9 ± 1.1
CAN 150 kg ha^−1	17.9 ± 8.8	66.1 ± 1.8	14.3 ± 2.6	61.8 ± 2.6
Urea 50 kg ha^−1	24,5 ± 5.1	96.5 ± 4.4	20.8 ± 1.6	92.5 ± 4.6
Urea 100 kg ha^−1	31.4 ± 3.4	80.5 ± 1.4	27.7 ± 9.3	76.7 ± 7.3
Urea 150 kg ha^−1	25.1 ± 1.5	73.7 ± 6.9	21.3 ± 4.4	72.0 ± 9.7
AS 50 kg ha^−1	38.4 ± 3.9	109.3 ± 3.3	34.9 ± 2.7	105.7 ± 7.4
AS 100 kg ha^−1	31.9 ± 1.8	112.1 ± 0.8	29.2 ± 1.8	108.4 ± 3.6
AS 150 kg ha^−1	29.6 ± 2.4	106.4 ± 3.8	25.6 ± 5.7	103.1 ± 1.6
AN 50 kg ha^−1	21.4 ± 3.9	117.4 ± 3.2	17.9 ± 9.7	113.8 ± 7.7
AN 100 kg ha^−1	43.6 ± 1.8	104.8 ± 7.8	39.8 ± 8.4	101.2 ± 1.5
AN 150 kg ha^−1	32.6 ± 5.8	66.4 ± 3.5	28.9 ± 8.5	62.6 ± 6.6

Determined as gallic acid equivalent (GAE). Determined as quercetin equivalent (QE).