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Table 1 Chemical composition of methanolic extract of ripe neem seed detected by GC-MS analysis

From: Antibiofilm and anticancer activities of unripe and ripe Azadirachta indica (neem) seed extracts

Retention Time

Name of the Compound

% Area

MW

(Da)

Molecular formula

Chemical class

Expected FTIR spectra (cm−1)

Biological activities

5.15

1-methylpyrrol

2.18

81

C5H7N

Heterocyclic compound

1509, 1266, 1090, 724, 606

Antimicrobial and anticancer activity [83]

17.12

3,5-dihydroxy-6-methyl-2,3-dihydro-4 H-pyran-4-one

11.41

144

C6H8O4

Flavonoids

1720, 1655

Antibacterial, antioxidant and anticancer activity [84]

26.38

2-hydroxy-n-3,3-trimethyl-butanamide

1.8

145

C7H15NO2

n-acyl amines

3366, 3164, 2962, 1662, 1634, 1430, 1418, 1263

 

26.67

4-ethylbenzamide

4.75

149

C9H11NO

Phenolic compound

3343, 3168, 1671, 1618, 1414, 1398

Antitumor activity [85]

  1. *All the compounds were selected according to the peak area percentage in the GC-MS data. Compounds were cross-checked with their expected FTIR spectra in Fig. 1