Skip to main content

Table 1 Constituents identified from INAE

From: Beneficial effect of Indigo Naturalis on acute lung injury induced by influenza A virus

Peak no

Name (possible chemical)

Categories

Formula

MS1

MS2

1

Adenine

Nucleosides

C5H5N5

136.13

119.00

2

2-Methyquinazlin-4(3H)-One

Alkaloids

C9H8N2O

161.14

140.84,133.20

3

Imidazolinones

Alkaloids

C8H7N3O

162.15

145.00

4

3-(2′-Hydroxyphenyl)-2-Methyl-4(3H)-Quinazolinone

Alkaloids

C15H12N2O2

253.16

134.09,120.06

5

Isaindigotone2

Alkaloids

C20H18N2O4

351.28

333.21,315.21

6

Adenosine

Nucleosides

C10H13N5O4

268.17

136.06

7

Annuionone D

Terpene

C13H20O3

225.18

156.28

8

6-Hydroxy-4-(5-Hydroxymethylfuran-2-yl)-Quinolin-2(1H)-One

Alkaloids

C16H19NO2

258.19

240.16

9

Valine

Amino acids

C15H11NO2

118.16

101.12,98.14

10

Hydroxylindirubin

Alkaloids

C16H10N2O3

279.31

261.25,223.18

11

Isaindigodione

Alkaloids

C18H18N2O4

349.38

331.28

12

Mediroresinol

Alkaloids

C21H24O7

349.35

371.25

13

2-(3-Hydroxy)-4-Methoxy-2-Oxindolin-3-yl)-Acetamide

Alkaloids

C11H13N2O4

237.21

118.08

14

Ganine

Nucleosides

C5H5N5O

174.17

157.13

15

Quinazolinones

Alkaloids

–

316.22

298.19,288.48

16

Imidazolinones

Alkaloids

–

354.31

337.18,175.11

17

2-Hydroxy-1,4-Phthalate

Organic Acids

C8H6O5

183.16

163.06,139.12

18

Quinazolinones

Alkaloids

–

353.22

319.25,335.22

19

Ethyl-3,4-Dihydro-4-Oxoquinazoline-2-Carboxylate

Alkaloids

C11H10N2O3

460.33

437.28,415.26

  1. The phytochemical constituents in aqueous extract of Indigo Naturalis (INAE) were identified through UPLC-Q-TOF–MS and UPLC-LTQ-ESI–MS readouts including the retention time, MS/MS fragments, molecular form with referred to the databases SciFinder, PubChem, and Mass Bank