. 2018 Oct 10;6(8):2123–2133. doi: 10.1002/fsn3.770

Table 2.

Effects of drying on the DPPH and ^•OH scavenging ability, ABTS^•+ scavenging, and ferric reducing antioxidant properties (FRAP), Fe²⁺‐chelating, inhibition of lipid peroxidation, α‐amylase, and α‐glucosidase activities of Moringa oleifera leaf

Parameters	Freeze‐dried	Air‐dried	Sun dried	Oven dried
Antioxidant properties
DPPH (mg/ml)^a	251.42 ± 1.03^a	275.88 ± 0.14^b	337.91 ± 0.02^d	310.56 ± 0.03^c
ABTS^•+ (mmol TEAC/g)	1.25 ± 0.05^b	1.14 ± 0.11^ab	1.02 ± 0.00^a	0.98 ± 0.00^a
FRAP (mg AAE/g)	12.66 ± 0.46^c	11.04 ± 0.91^bc	9.42 ± 0.46^b	7.47 ± 0.46^a
^•OH (mg/ml)^a	61.25 ± 0.03^a	80.36 ± 0.14^b	94.31 ± 0.28^c	116.18 ± 1.41^d
Fe²⁺ Chelation (mg/ml)^a	73.14 ± 0.03^a	85.39 ± 0.04^b	142.75 ± 0.03^c	197.89 ± 0.01^d
IC₅₀ for inhibition of Fe²⁺‐induced lipid peroxidation (mg/ml)
Pancreas	26.14 ± 1.86^a	31.92 ± 0.14^b	32.52 ± 0.28^c	35.09 ± 0.06^d
Liver	32.03 ± 1.26^a	35.43 ± 1.41^c	34.04 ± 0.06^b	38.92 ± 0.03^d
IC₅₀ for inhibition of sodium nitroprusside‐induced lipid peroxidation (mg/ml)
Pancreas	37.41 ± 0.72^a	38.51 ± 0.02^b	44.26 ± 0.06^d	42.53 ± 0.02^c
Liver	36.20 ± 0.12^a	39.53 ± 0.28^b	40.68 ± 0.02^c	42.23 ± 0.04^d
IC₅₀ for enzymes inhibition (mg/ml)
α‐Amylase	64.29 ± 0.52^a	73.47 ± 0.81^c	69.90 ± 0.14^b	81.82 ± 0.03^d
α‐Glucosidase	38.12 ± 0.71^a	42.52 ± 0.14^b	46.16 ± 0.09^c	51.27 ± 0.10^d

Values represent mean ± standard deviation of triplicate experiments. Superscripts with different alphabets along the same row are significantly (p < 0.05) different.

Represent the IC₅₀ values (the amount of the extracts causing 50% antioxidant or enzyme inhibitory activity).