FLAVONOIDI

Podgrupe flavonoida i članovi tih podgrupa

• FLAVONOLI: Quercetin, Kaempferol, Myricetin, Isorhamnetin (Figure 1)
  
• FLAVONI: Luteolin, Apigenin (Figure 2)
  
• FLAVANONI: Hesperetin, Naringenin, Eriodictyol (Figure 3)
  
• FLAVAN-3-OLI: (+)-Catechin, (+)-Gallocatechin, (-)-Epicatechin, (-)-Epigallocatechin, (-)-Epicatechin 3-gallate, (-)-Epigallocatechin 3-gallate, Theaflavin, Theaflavin 3-gallate, Theaflavin 3'-gallate, Theaflavin 3,3' digallate, Thearubigins (Figure 4)
  
• ANTOCIJANIDINI (ANTHOCYANIDINE): Cyanidin, Delphinidin, Malvidin, Pelargonidin, Peonidin, Petunidin (Figure 5)
  
  fig1.
  Flavonol R1 R2
  Quercetin OH H
  Kaempferol H H
  Myricetin OH OH
  Isorhamnetin OMe H

Fig2
Flavone R1
Apigenin H
Luteolin OH

Fig 3
Flavonone R1 R2
Eriodictyol OH OH
Hesperetin OH OMe
Naringenin H OH

Fig4.
Catechins R
(+)-Catechin H
(+)-Gallocatechin OH

Epicatechins R1 R2
(!)-Epicatechin (EC) H H
(!)-Epigallocatechin (EGC) OH H
(!)-Epicatechin-3-gallate (ECG) H Gallate
(!)-Epigallocatechin-3-gallate OH Gallate
(EGCG)

fig 5.
Anthocyanidin R1 R2
Cyanidin OH H
Delphinidin OH OH
Malvidin OMe OMe
Pelargonidin H H
Petunidin OMe OH
Peonidin OMe H

Theaflavins R1 R2
Theaflavin H H
Theaflavin-3-gallate Gallate H
Theaflavin-3'-gallate H Gallate
Theaflavin-3,3'-gallate Gallate Gallate