Applied Biological Chemistry

Table 4 ABTS⁺ radical scavenging activity of S1–S12

From: Antioxidant activity of different cultivars of Chrysanthemum morifolium and quantitative analysis of phenolic compounds by HPLC/UV

Sample	Concentration (mg/mL)	ABTS⁺
Sample	Concentration (mg/mL)	Scavenging activity (%)		IC₅₀ (mg/mL)
S1	1.25	27.85 ± 0.55		2.7 ± 0.1^h
	2.5	49.32 ± 0.44
	5.0	82.47 ± 0.56
S2	2.5	20.67 ± 0.27		8.9 ± 0.1^a
	5.0	34.06 ± 0.91
	10.0	54.32 ± 0.44
S3	1.25	23.14 ± 0.42		4.1 ± 0.1^d
	2.5	36.13 ± 0.60
	5.0	58.43 ± 0.46
S4	2.5	27.85 ± 0.15		5.7 ± 0.1^c
	5.0	47.01 ± 0.80
	10.0	76.90 ± 0.59
S5	1.25	25.48 ± 0.80		3.1 ± 0.1^g
	2.5	42.91 ± 0.97
	5.0	73.06 ± 0.36
S6	1.25	35.59 ± 0.27		2.1 ± 0.1^j
	2.5	60.23 ± 0.50
	5.0	93.19 ± 0.44
S7	1.25	22.37 ± 0.20		3.3 ± 0.1^f
	2.5	42.44 ± 1.04
	5.0	70.52 ± 1.10
S8	2.5	24.11 ± 0.78		6.1 ± 0.1^b
	5.0	45.21 ± 0.89
	10.0	74.76 ± 0.50
S9	1.25	37.03 ± 1.13		2.0 ± 0.1^j
	2.5	61.47 ± 0.61
	5.0	92.65 ± 0.15
S10	0.5	27.55 ± 0.38		1.1 ± 0.1^k
	1.0	47.41 ± 1.16
	2.0	76.96 ± 1.02
S11	1.25	22.40 ± 0.80		3.9 ± 0.1^e
	2.5	36.56 ± 0.93
	5.0	60.77 ± 0.83
S12	1.25	33.42 ± 0.21		2.2 ± 0.1ⁱ
	2.5	57.26 ± 0.50
	5.0	91.05 ± 0.45
AA ^a				0.11 ± 0.0

^aAA represents ascorbic acid, which was the positive control
^a–kDifferent letters in the same column indicate significant statistical differences (p < 0.05)

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