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Table 2 Chemical structure, phenolic contents and DPPH scavenging capacity of the Ocimum gratissimum leaves extract

From: Polyphenol-rich extract of Ocimum gratissimum leaves prevented toxic effects of cyclophosphamide on the kidney function of Wistar rats

Retention time (min)

Chemical name

Chemical Structure

Content (%, wt/wt) OG

6.0010

Methyl ester

CH3 – RCOOR

0.039

6.0710

Glycerin

C3H8O3

0.56

17.062

p-Cymene

C10H14

5.52

20.402

Sabinene

C10H16

4.61

42.395

2-isopropyl-5-methylphenol (Thymol)

C10H14O

0.20

45.311

α-copaene

C15H24

0.96

47.012

Trans-caryophyllene

C15H24

0.40

50.005

β-Selinene

C15H24

0.31

52.102

Phenol, 3-(1,1-dimethylethyl)-4-methoxy-

C12H18O2

0.90

54.633

Caryophyllene oxide

C15H24O

2.07

64.065

Neophytadiene

C20H38

2.99

65.100

Phytol

C20H40O

0.63

70.355

Carvacrol (2-methyl-5-(propan-2-yl)phenol

C10H14O

0.92

Total Phenolic Content of the Extract

EXTRACT

TPC (mg GAE/100 g)

Ocimum gratissimum leaves

80.36 ± 0.50

DPPH Scavenging Capacity of the Extract

EXTRACT

Scavenging activity (IC50; mg/mL)

Ocimum gratissimum leaves

22.12 ± 0.43

  1. Half-maximal concentration (IC50) values for the DPPH free radical-scavenging activity assay and content of phenolic of Ocimum gratissimum extract. Values shown are means of three replicates (n = 3) ± SEM