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Table 3 Compounds identified from T. harzianum M10 crude extract by GC and LC–MS analysis

From: Induced secondary metabolites of the beneficial fungus Trichoderma harzianum M10 through OSMAC approach

Compound

Rt (min)

RI

GC–MS

 2,3-Butanediol, 2TMS derivative

5.469

1054.3

 2-Hydroxy-3-methylbutyric acid, 2TMS derivative

7.158

1175.1

 2-Hydroxyisocaproic acid, 2TMS derivative

8.133

1244.0

 Hexanoic acid, 2TMS derivative

8.186

1247.7

 Glycerol, 3TMS derivative

8.699

1283.7

 Nicotinic acid, TMS derivative

8.874

1296.1

 1,2,3-Butanetriol, 3TMS derivative

9.000

1305.3

 Pentanedioic acid, 2TMS derivative

10.349

1407.9

 Furandimethanol, 2TMS derivative

10.532

1422.8

 3-Hydroxy-2,3-dihydromaltol, 2TMS derivative

10.997

1461.1

 DL-Pyroglutamic acid, 2TMS derivative

11.775

1535.8

 5-Hydroxy-2-(hydroxymethyl)pyridine, 2TMS derivative

11.873

1545.6

 3-Phenyllactic acid, 2TMS derivative

12.332

1598.1

 4-Hydroxybenzoic acid, 2TMS derivative

12.588

1636.1

 Cyclo(glycylprolyl), TMS derivative

13.249

1743.2

 Protocatechuic acid, 3TMS derivative

13.713

1833.5

 Homoprotocatechuic acid, 3TMS derivative)

13.772

1846.4

 Stearic acid, TMS derivative

15.300

2238.8

 Uridine, 4TMS derivative

16.313

2476.5

Compound

Monoisotopic mass (Da)

Molecular formula

LC–MS

 2-Aminophenylacetic acid

151.0636

C8H9NO2

 Nicotinic acid

123.0325

C6H5NO2

 Benzeneacetaldehyde

120.0579

C8H8O

 Indoleacetic acid

205.0861

C12H13O3

 7-Hydroxy-3-(2,3-dihydroxybutyl)-1(3H)-isobenzofuranone

238.0828

C12H14O5

 Tryptophol

161.0843

C10H11NO

 Isoharzianic acid

365.1844

C19H27NO6

 5-hydroxy-2,3-dimethyl-7-methoxychromone

220.0758

C12H12O4

 Harzianic acid

365.1852

C19H27NO6

 Homoharzianic acid

379.2003

C20H29NO6