Table 1.

The species, compounds, and molecular formulas of flavonoids.

No.	Species		Compound	Ref.
1	Flavonoid		6-hydroxyluteolin	Zhao et al. 2003
2	Flavonoid		scutillarein aglycone	Zhao et al. 2003
3	Flavonoid		pinostrobin	Zhao et al. 2003
4	Flavonoid		onysilin	Zhao et al. 2003
5	Flavonol		quercetin	Zhao et al. 2003
6	Flavonol		isorhamnetin	He et al. 2014; Xiao et al. 2018
7	Flavonol		kaempferol	Xiao et al. 2018
8	Flavonol		7,4′-dimethylquercetin	Haraguchi et al. 1992
9	Flavonol		3′-methylquercetin	Haraguchi et al. 1992
10	Flavonol		3,7-dihydroxy-5,6-dimethoxy-flavone	Xiao 2018
11	Flavonol		isalpin (3,5-dihydroxy-7-methoxy-flavone)	Xiao 2018
12	Flavonoid glycoside		6-hydroxyluteolin	Xiao 2018
13	Flavonoid glycoside		7-O-β-d-glucopyranoside	Zhao et al. 2003
14	Flavonol glycosides		rutin	Xiao 2018
15	Flavonol glycosides		hyperoside	Xiao 2018
16	Flavonol glycosides		quercitrin	Xiao 2018
17	Flavonol glycosides		quercetin-3-O-rhamnoside	Wang et al. 2018
18	Flavonol glycosides		isoquercitrin	Wang et al. 2018
19	Flavonol glycosides		galloyl quercitrin	Zhao et al. 2003
20	Flavonol glycosides		galloyl kaempferol 3-glucoside	Zhao et al. 2003
21	Flavonol glycosides		quercetin 3-O-β-d-glucuronide	Zhao et al. 2003
22	Flavonol glycosides		quercetin-3-O-β-galactoside	Li et al. 2017
23	Flavonol glycosides		kaempferol-3-O-β-galactoside	Li et al. 2017
24	Flavonol glycosides		kaempferol-3-O-glucopyranoside	Wang et al. 2018
25	Dihydroflavone		7-hydroxy-5-methoxy-flavanone	Wang et al. 2018
26	Dihydroflavone		(2R,3R)-(+) taxifolin	Miyazawa and Tamura 2007
27	Dihydroflavone		3,7,3′,4′-taxifolin tetraacetate	Miyazawa and Tamura 2007
28	Dihydroflavone	5,7,3′,4′-taxifolin tetrametyl ether		Miyazawa and Tamura 2007
29	Flavonol sulfate	quercetin-3-sulphate		Yagi et al. 1994
30	Flavonol sulfate	isorhamnetin-3,7-disulpgate		Yagi et al. 1994
31	Flavonol sulfate	tamarixetin-3-glucoside-7-sulpgate		Yagi et al. 1994
32	Flavonol sulfate	percicarin		Haraguchi et al. 1996
33	Flavonol sulfate	rhamnazin-3-sulfate		Haraguchi et al. 1996
34	Chalcone	cardamomin (2′,4′-dihydroxy-6′-methoxychalcone)		Xiao 2018; Wang et al. 2018
35	Chalcone	2′,6′-dihydroxy-3′,4′-dimethoxychalcone		Kurkina et al. 2013
36	Chalcone	polygochalcone		Kurkina et al. 2013
37	Dihydrochalcone	uvangoletin		Wang et al. 2018
38	Flavanol	catechin		Ono et al. 1998
39	Flavanol	epicatechin		Ono et al. 1998
40	Flavanol	epicatechin-3-O-gallate		Ono et al. 1998