Table 1 Fractionation of fermented blueberry extract (F1). The major component (s) in each fraction (F) are indicated
Fraction | Major component (s) | Starting material | Column resin | Eluant |
|---|---|---|---|---|
F1 (FBE) | Sugars, organic acids, growth media, phenolics | |||
F2 | phenolics | F1 | C18 | EtOH |
F3-1 | Gallic acid, catechol, protocatechuic acid | F2 | C18 | 12% EtOH |
F3-2 | Chlorogenic acid | F2 | C18 | 12% EtOH |
F3-3 | Flavonoids | F2 | C18 | 80% EtOH |
F4-1 | Anthocyanins | F3-3 | LH20 | 25% EtOH |
F4-2 | Heteropolymers | F3-3 | LH20 | 50% EtOH |
F4-3 | Proanthocyanidins | F3-3 | LH20 | 70% EtOH |