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. 2021 Feb 19;12:611560. doi: 10.3389/fmicb.2021.611560

TABLE 1.

Phytochemical composition of leaves of Azadirachta indica identified by GC-MS analysis.

No. Name of the Compound Chemical formula Relative abundance (%) in extractions by
Activity
Ethyl acetate Hexane
1 Ethyl propionate C5H10O2 39.69 - Antimicrobial
2 2-Hexenal C6H10O - 4.70 Antioxidant
3 Ethyl butyrate C6H12O2 2.51 - Antioxidant
4 Trimethylbenzene C9H12 0.75 - Antimicrobial
5 Methyleugenol C11H14O2 0.30 - Anti-inflammatory
6 Dihydroactinidiolide C11H16O2 0.38 - Antibacterial, antioxidant
7 2-Butyl-1-octanol C12H26O - 0.40 Antimicrobial
8 Elixene C15H24 - 1.43 Antibacterial
9 α-Copaene C15H24 - 2.95 Antimicrobial
10 γ-Gurjunene C15H24 - 2.16 Antibacterial
11 Caryophyllene C15H24 - 23.22 Antimicrobial, antioxidant
12 γ-Elemene C15H24 0.44 40.98 Anti-inflammatory
13 Humulene C15H24 - 2.73 Anti-inflammatory, analgesic
14 β-Cubebene C15H24 - 0.94 Antimicrobial
15 Alloaromadendrene C15H24 - 1.46 Antioxidant, antiaging
16 δ-Cadinene C15H24 - 0.80 Antioxidant
17 α-Selinene C15H24 - 1.35 Antioxidant, analgesic
18 Caryophyllene oxide C15H24O 0.40 - Anti-inflammatory, analgesic
19 Dodecanoic acid, trimethylsilyl ester C15H32O2Si 2.02 - Antibacterial
20 Tetradecanoic acid, trimethylsilyl ester C17H36O2Si 1.44 - Antibacterial
21 Oleic acid C18H34O2 1.10 - Antioxidant
22 Hexadecanoic acid, trimethylsilyl ester C19H40O2Si 42.75 - Anti-inflammatory
23 Phytol C20H40O 2.27 4.38 Antioxidant, analgesic
24 Phytol, acetate C22H42O2 - 2.92 Antioxidant
25 Silane, [(3,7,11,15-tetramethyl-2-hexadecenyl)oxy]trimethyl C23H48OSi 5.90 - Antimicrobial
26 Heptacosane C27H56 - 1.94 Antibacterial
27 α-Tocopherol C29H50O2 - 7.64 Antioxidant, wound healing