Table 4 IC₅₀ values of different antioxidant activities of BPM and its fractions

IC₅₀ (μg/ml)

BPM

143.7 ± 2.7^c

345.6 ± 2.1^c

130 ± 2.9^c

148.8 ± 2.3^c

761.5 ± 1.9^c

BPH

461.7 ± 1.5^a

618.3 ± 4.0^b

180.4 ± 3.3^a

347.3 ± 3.6^a

> 1000

BPC

259.6 ± 3.3^b

764.8 ± 2.5^a

165.5 ± 2.7^b

244.8 ± 2.8^b

> 1000

BPE

48.32 ± 2.1^e

180.5 ± 3.6^e

82.7 ± 3.08^d

77.9 ± 1.5^e

336.7 ± 1.8^e

BPB

63.38 ± 3.4^d

255.0 ± 2.2^d

121.2 ± 2.5^c

115.3 ± 2.1^d

605.4 ± 2.3^d

BPA

46.51 ± 2.1^e

144.3 ± 3.2^f

46.49 ± 2.7^e

40.04 ± 3.1^g

249.8 ± 2.8^f

Rutin

–

110.7 ± 1.7^g

–

–

–

Ascorbic acid

29.57 ± 1.1^f

–

16.4 ± 1.6^f

–

–

Catechin

–

–

–

58.4 ± 2.8^f

–

EDTA

–

–

–

–

177.2 ± 2.8^g