TABLE 1

Core structures and names of flavonoid compounds used in this study

Thirty-seven flavonoid compounds from four different subclasses: flavones, flavanones, isoflavones, and chalcones were previously tested.

CompoundNumberNomenclatureR1R2R3Molecular Weight
Flavone Embedded Image1FlavoneHHH222.24
25-HydroxyflavoneH5-OHH238.24
32′,3′-DihydroxyflavoneHH2′,3′-Di-OH254.24
42′,3′-DimethoxyflavoneHH2′,3′-Di-OCH3282.29
54′-Hydroxy-3′methoxyflavoneHH4′-OH-3′-OCH3268.26
63′,5-DihydroxyflavoneH5-OH3′-OH254.24
74′-Hydroxy-5-methoxyflavoneH5-OCH33′-OH268.26
85-MethoxyflavoneH5-OCH3H252.26
94′,5,7-TrimethoxyflavoneH5,7-Di-OCH4′-OCH3312.32
108-Carboxyl-3-methylflavoneCH38-COOHH280.27
115,6-BenzoflavoneH5,6-BenzoH272.3
127,8-BenzoflavoneH7,8-BenzoH272.3
132′-Methoxy-ᾳ-naphthoflavoneH7,8-Benzo2′-OCH3302.32
143,3′,4′,5,7-Pentahydroxyflavone-8-O-glucoside (Gossypin)OH5,7-Di-OH-8-O-Glucoside3′,4′-Di-OH480.38
153,4′,5,7-Tetrahydroxyflavone (Kaempferol)OH5,7-Di-OH4′-OH286.24
165,7-Dihydroxyflavone (Luteolin)H5,7-Di-OHH286.24
173,7-DihydroxyflavoneH3,7-Di-OHH254.24
Flavanone Embedded Image184′,5,7′-Trihydroxyflavanone (Naringenin)H5,7-Di-OH4′-OH272.25
195-MethoxyflavanoneH5-OCH3H254.28
205,7-DimethoxyflavanoneH5,7-OCH3H284.31
213′,4′,5′,7-TetramethoxyflavanoneH7-OCH33′,4′,5′-Tri-OCH3344.36
22FlavanoneHHH224.08
237-HydroxyflavanoneH7-OHH240.25
244-HydroxyflavanoneH4-OHH254.24
Isoflavone Embedded Image257-MethoxyisoflavoneH7-OCH3H252.26
264′,6,7-Trihydroxyisoflavone (Demethyltexasin)H6,7-OH4′-OH270.24
274′-Hydroxy-6-methoxyisoflavone-7-D-guloside (Glycitin)H6-OCH3-7-D-Glucoside4′-OH446.4
285,7,4′-Trihydroxyisoflavone (Genistein)H5,7-Di-OH4′-OH270.24
295,7-Dihydroxy-4′-methoxyisoflavone(Biochanin A)H5,7-Di-OH4′-OCH3284.26
305,7,3′,4′-Tetramethoxyisoflavone (Orobol)H5,7-Di-OCH33′,4′-Di-OCH3342.34
Chalcone Embedded Image312′,3′′,5′′-Trimethoxychalcone2′-OCH33′′,5′′-Di-OCH3298.33
323′,3′′,5′′-Trimethoxychalcone3′-OCH33′′,5′′-Di-OCH3298.33
333′,3′′,5′-Trimethoxychalcone3′5′-Di-OCH33′′-OCH3298.33
342′′,3′,5′-Trimethoxychalcone3′5′-Di-OCH32′OCH3314.33
353′,3′′,5′,5′′-Tetramethoxychalcone3′5′-Di-OCH33′′,5′′-Di-OCH3328.36
362′-Hydroxy-4′,4′′-dimethoxychalcone2′-OH-4′-OCH34′′-OCH3284.31
372′-Hydroxy-3′′,4′,5′′-trimethoxychalcone2′-OH-4′-OCH33′′,5′′-Di-OCH3298.33
  • , no chemical group considered.