. 2020 Jun 18;9(6):533. doi: 10.3390/antiox9060533

Table 3.

Antioxidant properties of the tested extracts *.

Parts	Methods-Solvents	DPPH (mg TE/g)	ABTS (mg TE/g)	CUPRAC (mg TE/g)	FRAP (mg TE/g)	Metal chelating (mg EDTAE/g)	Phosphomolybdenum (mmol TE/g)
Leaves	infusion	101.26 ± 0.24 ^fg	144.25 ± 3.10 ^e	315.43 ± 5.58 ^g	200.02 ± 4.73 ^f	8.08 ± 0.76 ^e	2.15 ± 0.11 ^d
	HAE-EA	67.69 ± 5.49 ^h	89.09 ± 1.99 ^f	193.20 ± 3.83 ^h	77.29 ± 1.16 ^g	1.95 ± 0.49 ^h	2.12 ± 0.29 ^d
	HAE-MEOH	525.84 ± 1.37 ^a	600.84 ± 13.60 ^a	1047.10 ± 9.45 ^b	544.76 ± 11.89 ^b	4.50 ± 0.53 ^fg	4.82 ± 0.42 ^a
	Maceration EA	20.97 ± 0.28 ^ij	32.41 ± 6.38 ^g	124.15 ± 2.58 ⁱ	50.25 ± 1.91 ^hi	2.32 ± 0.50 ^gh	2.17 ± 0.08 ^d
	Maceration-MEOH	105.56 ± 0.06 ^f	159.42 ± 0.12 ^e	753.22 ± 4.81 ^f	401.16 ± 5.03 ^e	4.31 ± 0.95 ^fg	4.29 ± 0.20 ^abc
	Maceration (not stirred)-EA	39.06 ± 2.14 ⁱ	12.31 ± 0.29 ^hi	84.92 ± 0.74 ^j	40.54 ± 0.63 ^hi	29.39 ± 1.03 ^a	2.40 ± 0.13 ^d
	Maceration (not stirred)-MEOH	496.94 ± 3.30 ^bc	519.71 ± 6.78 ^c	825.71 ± 25.99 ^e	519.69 ± 2.96 ^c	3.64 ± 0.31 ^fgh	3.95 ± 0.44 ^bc
Bark	infusion	318.53 ± 8.82 ^e	353.91 ± 11.81 ^d	766.83 ± 7.23 ^f	398.10 ± 6.46 ^e	18.06 ± 1.29 ^c	3.63 ± 0.14 ^c
	HAE-EA	81.08 ± 5.23 ^gh	33.45 ± 1.66 ^g	94.03 ± 2.12 ^j	49.72 ± 1.12 ^hi	5.39 ± 0.81 ^f	1.69 ± 0.21 ^d
	HAE-MEOH	512.37 ± 7.15 ^ab	581.39 ± 6.42 ^a	1129.33 ± 8.62 ^a	633.53 ± 8.97 ^a	5.42 ± 0.06 ^f	4.74 ± 0.17 ^ab
	Maceration EA	15.86 ± 1.83 ^ij	29.36 ± 1.37 ^gh	126.72 ± 4.57 ^j	55.45 ± 0.32 ^h	10.88 ± 1.41 ^d	1.68 ± 0.15 ^d
	Maceration-MEOH	478.39 ± 21.72 ^c	555.13 ± 8.47 ^b	931.13 ± 18.04 ^d	559.27 ± 2.63 ^b	5.61 ± 0.16 ^f	4.51 ± 0.36 ^ab
	Maceration (not stirred)-EA	na	7.26 ± 0.10 ⁱ	74.82 ± 0.34 ^j	37.67 ± 1.60 ⁱ	24.93 ± 0.24 ^b	2.13 ± 0.17 ^d
	Maceration (not stirred)-MEOH	450.51 ± 15.42 ^d	513.29 ± 8.26 ^c	961.26 ± 1.49 ^c	422.30 ± 12.50 ^d	4.89 ± 0.18 ^f	4.25 ± 0.53 ^abc

* Values are reported as mean ± S.D. TE: Trolox equivalent; EDTAE: EDTA equivalent; na: not active. HAE: Homogenizer assisted extraction; EA: Ethyl acetate; MEOH: Methanol. Different letters (a–j) indicate significant differences in the extracts (p < 0.05).