Indigo Naturalis Suppresses Colonic Oxidative Stress and Th1/Th17 Responses of DSS-Induced Colitis in Mice

Table 1

Main components identified in QD.

Peak	tR (min)	Assigned identity	Molecular formula
1	0.976	Butanedioic acid	C4H6O4
2	5.771	Isatin	C8H5NO2
3	5.916	2,3-Dihydro-4-hydroxy-2-oxo-1H-indole-3-acetic acid	C10H8N2O2
4	6.497	Deoxyvascinone	C11H10N2O
5	7.717	10H-indolo [3, 2-b] quinoline	C15H10N2
6	8.884	3-(2-Hydroxyphenyl)-4(3H)-quinazolinone	C14H10N2O2
7	8.998	10H-indolo[3,2-b]quinoline-11-carboxylic acid amide	C16H11N3O
8	9.597	Tryptanthrin	C15H8N2O2
9	11.491	Syringin	C17H24O9
10	11.902	3-(2-Carboxyphenyl)-4(3H)-quinazolinone	C15H10N2O3
11	13.250	Indigo	C16H10N2O2
12	14.006	Indican	C14H17NO6
13	14.158	Indirubin	C16H10N2O2
14	14.640	2-[Cyano(3-indolyl)methylene]-3-indolone	C18H11N3O
15	19.153	Octadecanoic acid	C18H36O3
16	19.332	Bisindigotin	C32H18N4O2
17	20.554	Qingdainone	C23H13N3O2
18	20.848	Betulin	C30H50O2
19	21.460	Sugiol	C20H28O2
20	22.815	Rotenol	C23H24O6
21	23.433	Sitosterol	C32H53N7O2
22	24.699	Daucosterol	C35H60O6
23	26.831	Clerosterol	C29H48O