Antioxidant Activities of the Methanol Extract of Cardiospermum halicacabum.

Figures & data

Table 1 Antioxidant activity of methanol extract of C. halicacabum. in β.-carotene–linoleate system

Sample	Concentration (µg/ml)	Antioxidant activity (%)
Methanol	50	30.21 ± 1.34
Extract	100	45.67 ± 1.72
	200	70.62 ± 1.94
BHT	50	64.21 ± 1.81
	100	89.64 ± 1.52
	200	95.26 ± 1.33

Table 2 Antiradical activity of methanol extract of C. halicacabum. observed with DPPH

Sample	Concentration (µg/ml)	% inhibition	EC50 (µg/ml)
Methanol	25	19.25 ± 1.45	67.55
Extract	50	38.31 ± 2.48
	75	57.29 ± 2.22
	100	72.34 ± 1.89
	125	88.50 ± 2.35
Gallic acid			1.38

Table 3 Superoxide anion scavenging activity of methanol extract of C. halicacabum. observed with riboflavin–light–NBT system

Sample	Concentration (µg/ml)	% inhibition	EC50 (µg/ml)
Methanol	25	10.81 ± 1.22	145.51
Extract	50	28.61 ± 2.79
	100	43.13 ± 2.34
	200	55.53 ± 3.52
Ascorbic acid			17.44

Table 4 In vitro. NO scavenging activity of methanol extract of C. halicacabum.

Sample	Concentration (µg/ml)	% inhibition	EC50 (µg/ml)
Methanol	50	30.63 ± 0.79	227.33
Extract	100	39.68 ± 1.08
	150	45.27 ± 1.02
	250	50.81 ± 2.46
Curcumin			25.44

Figure 1 Reducing power of CHE and AA (25–200 µg/ml); CHE, methanol extract of C. halicacabum.; AA, ascorbic acid.

Figure 2 Chelating effect of CHE and EDTA (50–500 µg/ml) on Fe²⁺ ion. CHE, methanol extract of C. halicacabum.; EDTA, ethylenediaminetetraacetic acid.