Skip to main content

Table 4 Test sample's concentration reducing 50% of free radical DPPH (RSa50)

From: Antimicrobial and antioxidant properties of methanol extract, fractions and compounds from the stem bark of Entada abyssinica Stend ex A. Satabie

Test samples

RSa50 (μg/ml)

Plant extract and fractions

 

Methanol extract

7.12 ± 0.21*

n-hexane fraction

35.87 ± 0.07*

Ethyl acetate fraction

3.07 ± 0.04*

n-butanol fraction

3.10 ± 0.10*

Aqueous residue fraction

7.15 ± 0.08*

Isolated compounds a

 

1

298 ± 0.57*

2

1.45 ± 0.00*

3

1.45 ± 0.00*

4

1.60 ± 0.01*

Reference substance

 

L-ascorbic acid

0.68 ± 0.00

  1. a 1:(5S,6R,8aR)-5-(carboxymethyl)-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-Trimethylnaphthalenecarboxylic acid; 2: methyl 3,4,5-trihydroxybenzoate; 3: benzene-1,2,3-triol and 4: 2,3-dihydroxypropyltriacontanoate.
  2. *Scavenging activity significantly lower than the reference, Duncan (p < 0.05).
Back to article page

BMC Complementary Medicine and Therapies

ISSN: 2662-7671

Contact us