Research Article
Phenolic Compounds and Antioxidant Activity of Rice–Tartary Buckwheat Composite as Affected by In Vitro Digestion
Table 2
Phenolic compounds of the RTBC during in vitro digestion.
| Peak | Rt (min) | Tentative identification | Molecular formula | m/z | Area% (oral) | Area% (gastric) | Area% (intestinal) |
| 1 | 8.17 | Quercetin-3-O-robinoside-7-O-sophoroside | C39H50O26 | 933.25 | + | + | + | 2 | 8.77 | Quercetin-3-O-neohesperidoside-7-O-glucoside | C33H40O21 | 771.19 | + | + | − | 3 | 11.41 | Forsythobiflavone A | C54H58O32 | 1217.28 | + | − | + | 4 | 12.98 | Forsythobiflavone B | C54H58O32 | 1217.28 | + | − | + | 5 | 13.38 | Quercetin-3-O-rutinoside-7-O-glucoside | C33H40O21 | 771.19 | + | − | − | 6 | 15.04 | Rutin | C27H30O16 | 609.28 | + | + | + | 7 | 15.59 | Isoquercetin | C21H20O12 | 463.08 | + | + | + | 8 | 17.44 | Ferulic acid | C10H10O4 | 195.06 | + | + | + |
|
|