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Table 3 Bioactive compounds obtain from G. scripta through GC–MS analysis with their molecular formula, compound class, retention time, percentage (%) of area and retention index

From: Screening and characterization of bioactive compounds from two epiphytic microlichen and evaluation of their in vitro antioxidant activity

Compound

Compound structure

Compound type

Retention time

% of area

Retention index

Deoxynivalenol 3-acetate (C17H22O7)

Terpenes

21.27

1.27

-

2,3-Dihydroxanthosine (C10H12N4O6)

Glycosides

13.12

1.18

-

Pentadecylic acid (C15H30O2)

Fatty acids

34.54

4.46

2822

Linolenelaidic acid (C20H34O2)

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Fatty acids

34.54

4.46

1671

2,3-dimethylbenzene-1,4-diol (C8H10O2)

Phenol

34.54

4.46

-

Benzenemethanol, 2-methoxy- (C8H10O2)

Alcohol

34.54

4.46

2083

4-propan-2-ylcyclohex-3-ene-1-carbaldehyde (C10H16O)

Hydrocarbons

34.54

4.46

1195

Cyclopentanepropanoic acid (C8H14O2)

Carbonyl compound

34.54

4.46

2168

D-mannitol (C6H14O6)

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Sugar alcohols

36.26

4.46

-

Docosen-(13)-ol-(1) (C22H44O)

Fatty alcohols

33.15

0.73

2468

Perfluorocaprylic acid (C8HF15O2)

Fatty acids

33.15

0.73

1046