. 2019 Aug 5;56(12):5298–5308. doi: 10.1007/s13197-019-04000-4

Table 2.

Antioxidant activity of outer and inner bracts of culinary banana flower

	DPPH		ABTS		FRAP
	Antioxidant activity (µmol TE/g fresh mass)	IC₅₀ (µM)	Antioxidant activity (µmol TE/g fresh mass)	IC₅₀ (µM)	Antioxidant activity (µmol TE/g fresh mass)
Outer bract	24.53 ± 0.04^a	219.06 ± 0.05^c	29.62 ± 0.10^a	296.46 ± 0.47^c	8.85 ± 0.04^a
Inner bract	27.96 ± 0.11^b	163.50 ± 0.41^b	30.66 ± 0.15^b	241.83 ± 0.76^b	20.6 ± 0.45^b
Positive control (Trolox)		105.66 ± 0.57^a		148.60 ± 0.52^a

Mean with different superscript letters in the same column represent a significant difference at P < 0.05 based on paired t test, values represent mean ± SD; n = 3

IC₅₀: Concentration at 50% radical scavenging activity