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. 2017 Nov 29;9(12):1301. doi: 10.3390/nu9121301

Table 1.

The chemical structures of 30 flavonoids.

No. Flavonoids Core Structure R3 R5 R6 R7 R8 R2′ R3′ R4′ R5′
1 Flavone graphic file with name nutrients-09-01301-i001.jpg H H H H H H H H H
2 Tangertin H OMe OMe OMe OMe H H OMe H
3 Wogonin H OH H OH OMe H H H H
4 Baicalein H OH OH OH H H H H H
5 Luteolin H OH H OH H H OH OH H
6 Apigenin H OH H OH H H H OH H
7 Chrysin H OH H OH H H H H H
8 Schaftoside H OH Cglc OH Carb H H OH H
9 Galangin OH OH H OH H H H H H
10 Quercetin OH OH H OH H H OH OH H
11 Morin OH OH H OH H OH H OH H
12 Kaempferol OH OH H OH H H H OH H
13 Kaempferide OH OH H OH H H H OMe H
14 Myricetin OH OH H OH H H OH OH OH
15 Isorhamnetin OH OH H OH H H OMe OH H
16 Quercitrin Orha OH H OH H H OH OH H
17 Rutin ORG OH H OH H H OH OH H
18 Hesperetin graphic file with name nutrients-09-01301-i002.jpg H OH H OH H H OH OMe H
19 Naringenin H OH H OH H H H OH H
20 Naringin H OH H ONG H H H OH H
21 Liquiritigenin H H H OH H H H OH H
22 Taxifolin OH OH H OH H H OH OH H
23 Formononetin graphic file with name nutrients-09-01301-i003.jpg - H OH H H H OMe H H
24 Puerarin - H H OH Cglc H H OH H
25 Glycitein - H OMe OH H H H OH H
26 Daidzein - H H OH H H H OH H
27 Genistein - OH H OH H H H OH H
28 Biochanin A - OH H OH H H H OMe H
29 Isoliquiritigenin graphic file with name nutrients-09-01301-i004.jpg OH OH - - - H H OH H
30 Neohesperidin dihydrochalcone graphic file with name nutrients-09-01301-i005.jpg NG OH - - - H OH OMe H

Cglc: -C-glucopyranosyl; Carb: -O-(α-l-Arabinopyranosyl); Orha: -O-α-l-rhamnopyranosyl; RG: -(6-O-(6-deoxy-α-l-mannopyranosyl)-β-d-glucopyranosyloxy); NG: -(2-O-(6-deoxy-α-l-mannopyranosyl)-β-d-glucopyranosyl).