Defatting of acetone leaf extract of Acacia karroo (Hayne) enhances its hypoglycaemic potential

Table 2 Total phenols, antioxidants and pancreatic α-amylase enzyme inhibition

	Phenols (TAE/mg)	DPPH scavenging activity SC₅₀ (mg/ml)	Ferric Reducing power EC₅₀ (mg/ml)	α-amylase enzyme inhibition IC₅₀ (μg/ml)
Non-defatted	0.449 ± 0.025	0.37 ± 0.027***^a	1.65 ± 0.023***^a	39.3 ± 1.715***^a
Defatted	0.432 ± 0.014	0.40 ± 0.012***^a	1.13 ± 0.017^a	30.2 ± 3.037***^a
Ascorbic acid	_	0.59 ± 0.003	1.06 ± 0.006	_
Acarbose	_	_	_	109.8 ± 3.914

Data is expressed as ± SEM from averages of three to four independent repeats. Significant difference between the control and extracts and between the extracts was considered at P < 0.05. A superscript ^asignifies significant difference between the extracts and the asterisk significant difference between the control and extracts

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